This is a table of type unigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.
| unigram | frequency |
|---|---|
| one | 52247 |
| species | 33309 |
| may | 32362 |
| two | 28158 |
| will | 27750 |
| many | 20419 |
| great | 20027 |
| like | 19776 |
| first | 19557 |
| time | 19470 |
| much | 18961 |
| found | 17081 |
| now | 16887 |
| long | 16705 |
| little | 16390 |
| animals | 16207 |
| life | 16033 |
| man | 15743 |
| must | 15709 |
| see | 15588 |
| new | 15408 |
| part | 15268 |
| birds | 14919 |
| also | 14787 |
| even | 14004 |
| well | 13949 |
| water | 13650 |
| small | 13285 |
| made | 12938 |
| natural | 12213 |
| us | 12058 |
| nature | 12011 |
| three | 11819 |
| large | 11797 |
| plants | 11663 |
| every | 11450 |
| less | 11326 |
| form | 11211 |
| work | 10776 |
| mr | 10693 |
| another | 10458 |
| different | 10396 |
| length | 10369 |
| white | 10298 |
| parts | 10183 |
| day | 10039 |
| yet | 9832 |
| feet | 9820 |
| far | 9753 |
| seen | 9735 |
| animal | 9607 |
| specimens | 9604 |
| though | 9555 |
| without | 9520 |
| number | 9463 |
| old | 9416 |
| body | 9411 |
| forms | 9388 |
| way | 9380 |
| years | 9233 |
| still | 9206 |
| young | 9170 |
| common | 9135 |
| whole | 9025 |
| place | 9012 |
| several | 8930 |
| find | 8882 |
| present | 8837 |
| often | 8775 |
| good | 8746 |
| case | 8714 |
| male | 8712 |
| however | 8487 |
| known | 8380 |
| almost | 8376 |
| certain | 8309 |
| never | 8193 |
| among | 8131 |
| female | 8016 |
| side | 7911 |
| darwin | 7796 |
| near | 7764 |
| black | 7722 |
| fig | 7698 |
| selection | 7629 |
| size | 7621 |
| head | 7530 |
| make | 7525 |
| sea | 7460 |
| might | 7411 |
| fact | 7401 |
| world | 7362 |
| know | 7281 |
| mi | 7239 |
| last | 7202 |
| always | 7197 |
| four | 7128 |
| others | 7128 |
| think | 7038 |
| general | 7027 |
| trees | 7006 |
| just | 6989 |
| bird | 6959 |
| taken | 6850 |
| called | 6833 |
| come | 6787 |
| surface | 6784 |
| origin | 6761 |
| seems | 6751 |
| say | 6726 |
| quite | 6656 |
| history | 6610 |
| ground | 6567 |
| given | 6563 |
| north | 6530 |
| shall | 6522 |
| development | 6521 |
| south | 6498 |
| food | 6441 |
| probably | 6432 |
| living | 6430 |
| tree | 6425 |
| state | 6425 |
| lower | 6396 |
| illustration | 6277 |
| end | 6250 |
| sometimes | 6237 |
| point | 6230 |
| theory | 6210 |
| tail | 6210 |
| pp | 6183 |
| kind | 6147 |
| half | 6116 |
| river | 6090 |
| become | 6079 |
| back | 6046 |
| islands | 6024 |
| men | 6021 |
| therefore | 6006 |
| nearly | 6006 |
| ii | 5999 |
| give | 5896 |
| leaves | 5882 |
| evolution | 5879 |
| light | 5862 |
| take | 5854 |
| use | 5820 |
| upper | 5781 |
| ever | 5770 |
| together | 5763 |
| type | 5737 |
| cases | 5732 |
| course | 5719 |
| conditions | 5716 |
| year | 5686 |
| view | 5685 |
| within | 5683 |
| period | 5665 |
| whether | 5657 |
| since | 5618 |
| matter | 5600 |
| perhaps | 5540 |
| brown | 5526 |
| hand | 5490 |
| air | 5485 |
| characters | 5480 |
| red | 5479 |
| country | 5376 |
| wild | 5376 |
| plant | 5356 |
| facts | 5346 |
| males | 5322 |
| away | 5305 |
| rather | 5304 |
| means | 5297 |
| along | 5291 |
| least | 5279 |
| used | 5266 |
| de | 5254 |
| land | 5240 |
| high | 5233 |
| short | 5230 |
| structure | 5215 |
| earth | 5204 |
| second | 5202 |
| times | 5173 |
| flowers | 5164 |
| county | 5161 |
| five | 5143 |
| insects | 5117 |
| nothing | 5095 |
| true | 5094 |
| letter | 5038 |
| colour | 5037 |
| america | 5033 |
| either | 5027 |
| thought | 5015 |
| formed | 4991 |
| science | 4939 |
| individuals | 4908 |
| although | 4905 |
| various | 4897 |
| early | 4883 |
| eggs | 4853 |
| variation | 4852 |
| females | 4846 |
| especially | 4845 |
| subject | 4829 |
| greater | 4794 |
| go | 4785 |
| name | 4779 |
| left | 4763 |
| came | 4752 |
| human | 4747 |
| single | 4746 |
| study | 4732 |
| vol | 4718 |
| green | 4708 |
| distinct | 4698 |
| cells | 4698 |
| days | 4687 |
| order | 4685 |
| larger | 4645 |
| mind | 4625 |
| nest | 4618 |
| color | 4611 |
| generally | 4585 |
| believe | 4575 |
| evidence | 4566 |
| range | 4528 |
| fish | 4497 |
| kansas | 4489 |
| manner | 4483 |
| best | 4479 |
| change | 4470 |
| organs | 4466 |
| page | 4458 |
| latter | 4451 |
| power | 4449 |
| character | 4445 |
| soon | 4429 |
| dark | 4419 |
| full | 4392 |
| show | 4379 |
| varieties | 4376 |
| produced | 4376 |
| account | 4346 |
| yellow | 4345 |
| book | 4332 |
| winter | 4321 |
| seem | 4310 |
| group | 4303 |
| similar | 4298 |
| dr | 4282 |
| following | 4273 |
| higher | 4245 |
| things | 4235 |
| individual | 4223 |
| july | 4220 |
| summer | 4193 |
| subspecies | 4191 |
| look | 4185 |
| important | 4181 |
| line | 4158 |
| genus | 4134 |
| eyes | 4131 |
| question | 4127 |
| round | 4096 |
| miles | 4095 |
| eye | 4093 |
| right | 4078 |
| series | 4051 |
| chapter | 4018 |
| changes | 4013 |
| mountains | 4005 |
| appear | 3995 |
| whose | 3987 |
| says | 3971 |
| close | 3956 |
| adult | 3953 |
| better | 3945 |
| growth | 3935 |
| cause | 3933 |
| developed | 3920 |
| open | 3919 |
| six | 3917 |
| doubt | 3904 |
| island | 3904 |
| possible | 3881 |
| th | 3867 |
| saw | 3859 |
| get | 3857 |
| figure | 3851 |
| usually | 3848 |
| action | 3823 |
| american | 3818 |
| distribution | 3818 |
| existence | 3809 |
| home | 3781 |
| already | 3776 |
| june | 3773 |
| result | 3767 |
| according | 3757 |
| area | 3754 |
| observed | 3739 |
| difference | 3737 |
| age | 3734 |
| degree | 3718 |
| mm | 3715 |
| process | 3715 |
| forest | 3711 |
| house | 3706 |
| spring | 3662 |
| next | 3650 |
| skull | 3638 |
| family | 3611 |
| shown | 3610 |
| reason | 3604 |
| organic | 3600 |
| region | 3580 |
| able | 3578 |
| brought | 3574 |
| smaller | 3565 |
| night | 3559 |
| people | 3554 |
| distance | 3551 |
| lake | 3529 |
| later | 3523 |
| field | 3523 |
| indeed | 3519 |
| put | 3490 |
| appearance | 3484 |
| enough | 3476 |
| wood | 3476 |
| position | 3469 |
| foot | 3466 |
| mus | 3465 |
| longer | 3463 |
| deep | 3463 |
| blue | 3446 |
| scientific | 3439 |
| let | 3437 |
| effect | 3429 |
| ft | 3424 |
| differences | 3411 |
| numerous | 3393 |
| appears | 3385 |
| teeth | 3382 |
| set | 3381 |
| specimen | 3368 |
| closely | 3350 |
| west | 3343 |
| till | 3342 |
| kinds | 3340 |
| covered | 3323 |
| described | 3322 |
| system | 3315 |
| sense | 3304 |
| groups | 3301 |
| april | 3281 |
| except | 3231 |
| original | 3231 |
| strong | 3231 |
| august | 3217 |
| mammals | 3217 |
| northern | 3216 |
| wings | 3214 |
| museum | 3208 |
| read | 3206 |
| skin | 3197 |
| done | 3197 |
| knowledge | 3195 |
| professor | 3180 |
| habits | 3166 |
| sir | 3161 |
| idea | 3160 |
| obtained | 3155 |
| clear | 3151 |
| instance | 3115 |
| central | 3102 |
| genera | 3094 |
| remains | 3091 |
| nat | 3078 |
| places | 3075 |
| something | 3074 |
| southern | 3073 |
| live | 3068 |
| sun | 3064 |
| alone | 3058 |
| beautiful | 3057 |
| interesting | 3053 |
| twenty | 3024 |
| third | 3011 |
| necessary | 3003 |
| peculiar | 2988 |
| paper | 2974 |
| per | 2968 |
| east | 2967 |
| variety | 2966 |
| flower | 2963 |
| seeds | 2953 |
| hundred | 2952 |
| low | 2951 |
| race | 2947 |
| states | 2945 |
| examined | 2942 |
| society | 2941 |
| making | 2937 |
| co | 2928 |
| numbers | 2924 |
| took | 2923 |
| considered | 2915 |
| produce | 2910 |
| wide | 2902 |
| middle | 2902 |
| breeding | 2899 |
| etc | 2899 |
| call | 2882 |
| note | 2878 |
| placed | 2874 |
| simple | 2865 |
| grass | 2864 |
| text | 2860 |
| volume | 2854 |
| university | 2850 |
| europe | 2847 |
| causes | 2847 |
| thing | 2846 |
| towards | 2842 |
| due | 2833 |
| condition | 2831 |
| london | 2827 |
| rest | 2816 |
| mouth | 2815 |
| published | 2812 |
| total | 2811 |
| somewhat | 2808 |
| points | 2797 |
| march | 2796 |
| special | 2790 |
| figures | 2788 |
| cell | 2781 |
| remarkable | 2759 |
| gray | 2758 |
| legs | 2757 |
| former | 2746 |
| rocks | 2744 |
| certainly | 2739 |
| results | 2726 |
| sides | 2724 |
| variations | 2720 |
| hair | 2719 |
| soil | 2718 |
| posterior | 2714 |
| average | 2710 |
| season | 2705 |
| dorsal | 2705 |
| blood | 2699 |
| ten | 2691 |
| races | 2690 |
| st | 2688 |
| geological | 2684 |
| easily | 2683 |
| curious | 2682 |
| description | 2681 |
| external | 2679 |
| suppose | 2675 |
| inches | 2675 |
| slightly | 2673 |
| washington | 2672 |
| really | 2671 |
| heard | 2668 |
| dry | 2668 |
| sexual | 2660 |
| appeared | 2659 |
| follows | 2657 |
| instead | 2650 |
| british | 2650 |
| occur | 2647 |
| comes | 2643 |
| mountain | 2633 |
| seemed | 2628 |
| marked | 2626 |
| coast | 2625 |
| bodies | 2614 |
| considerable | 2609 |
| observations | 2607 |
| law | 2599 |
| complete | 2599 |
| woods | 2599 |
| anterior | 2597 |
| late | 2590 |
| formation | 2590 |
| throughout | 2589 |
| branches | 2588 |
| particular | 2584 |
| fine | 2578 |
| beyond | 2577 |
| greatest | 2574 |
| respect | 2569 |
| became | 2567 |
| england | 2554 |
| hardly | 2550 |
| dear | 2545 |
| heat | 2543 |
| entirely | 2539 |
| edge | 2539 |
| interest | 2539 |
| fishes | 2536 |
| cold | 2535 |
| influence | 2532 |
| ancient | 2528 |
| hard | 2526 |
| valley | 2525 |
| rock | 2521 |
| october | 2520 |
| force | 2519 |
| table | 2518 |
| remarks | 2511 |
| direction | 2502 |
| pass | 2499 |
| makes | 2496 |
| across | 2491 |
| kept | 2489 |
| extent | 2487 |
| climate | 2482 |
| becomes | 2481 |
| gives | 2480 |
| november | 2476 |
| united | 2472 |
| hind | 2467 |
| material | 2464 |
| huxley | 2460 |
| fresh | 2445 |
| views | 2442 |
| difficult | 2434 |
| around | 2424 |
| notes | 2420 |
| example | 2409 |
| egg | 2408 |
| amount | 2407 |
| morning | 2406 |
| shows | 2406 |
| went | 2403 |
| december | 2398 |
| going | 2396 |
| eight | 2392 |
| relation | 2392 |
| hence | 2391 |
| cross | 2390 |
| children | 2381 |
| hope | 2378 |
| gave | 2375 |
| physical | 2373 |
| ago | 2369 |
| shape | 2368 |
| ones | 2367 |
| supposed | 2362 |
| frequently | 2360 |
| phenomena | 2358 |
| eastern | 2350 |
| lateral | 2348 |
| wind | 2347 |
| fall | 2347 |
| attention | 2339 |
| value | 2331 |
| purpose | 2331 |
| horse | 2326 |
| insect | 2322 |
| lines | 2317 |
| mass | 2310 |
| carried | 2310 |
| perfect | 2308 |
| western | 2301 |
| bones | 2295 |
| broad | 2291 |
| snow | 2290 |
| importance | 2289 |
| thick | 2288 |
| cut | 2285 |
| areas | 2284 |
| la | 2278 |
| lost | 2274 |
| difficulty | 2274 |
| face | 2262 |
| differ | 2255 |
| measurements | 2252 |
| bottom | 2252 |
| letters | 2251 |
| seed | 2251 |
| muscles | 2249 |
| weight | 2247 |
| effects | 2241 |
| primitive | 2240 |
| tell | 2237 |
| grow | 2235 |
| words | 2233 |
| level | 2215 |
| mentioned | 2209 |
| real | 2209 |
| san | 2208 |
| recent | 2203 |
| narrow | 2201 |
| nests | 2199 |
| beneath | 2197 |
| rise | 2195 |
| principle | 2188 |
| father | 2185 |
| apparently | 2181 |
| locality | 2179 |
| anything | 2179 |
| dead | 2178 |
| september | 2178 |
| beauty | 2168 |
| records | 2167 |
| slight | 2167 |
| increase | 2165 |
| fully | 2146 |
| death | 2145 |
| dog | 2145 |
| charles | 2141 |
| greatly | 2140 |
| height | 2140 |
| generation | 2129 |
| organisms | 2126 |
| experiments | 2122 |
| began | 2120 |
| collected | 2119 |
| sexes | 2114 |
| remain | 2113 |
| pair | 2110 |
| top | 2109 |
| reached | 2103 |
| feel | 2101 |
| passed | 2099 |
| minute | 2098 |
| mother | 2098 |
| pale | 2093 |
| sight | 2092 |
| edition | 2089 |
| brain | 2085 |
| mere | 2084 |
| cent | 2082 |
| class | 2076 |
| separate | 2072 |
| keep | 2070 |
| fly | 2068 |
| free | 2066 |
| substance | 2063 |
| shells | 2057 |
| seven | 2052 |
| opinion | 2051 |
| care | 2049 |
| fauna | 2045 |
| stone | 2044 |
| none | 2043 |
| truth | 2043 |
| gradually | 2042 |
| hear | 2040 |
| coloured | 2039 |
| stage | 2039 |
| past | 2037 |
| months | 2029 |
| fruit | 2023 |
| feathers | 2014 |
| direct | 2010 |
| neither | 2008 |
| leaf | 2008 |
| heart | 2007 |
| return | 2005 |
| wallace | 2001 |
| equal | 2001 |
| wing | 2001 |
| probable | 1994 |
| colours | 1993 |
| sand | 1989 |
| extreme | 1988 |
| spot | 1988 |
| regard | 1986 |
| love | 1985 |
| looking | 1982 |
| word | 1979 |
| occurs | 1977 |
| told | 1976 |
| creatures | 1975 |
| english | 1975 |
| ku | 1972 |
| discovered | 1972 |
| turn | 1970 |
| laws | 1969 |
| pollen | 1967 |
| sure | 1966 |
| afterwards | 1959 |
| led | 1956 |
| fire | 1955 |
| conclusion | 1950 |
| highly | 1946 |
| vast | 1945 |
| exactly | 1944 |
| occasionally | 1937 |
| bear | 1937 |
| presence | 1935 |
| beginning | 1935 |
| written | 1935 |
| organ | 1934 |
| mean | 1934 |
| soc | 1933 |
| hypothesis | 1932 |
| space | 1931 |
| degrees | 1929 |
| object | 1928 |
| need | 1927 |
| thousand | 1925 |
| continued | 1921 |
| clearly | 1920 |
| indian | 1909 |
| soft | 1908 |
| sound | 1906 |
| god | 1903 |
| fossil | 1893 |
| ocean | 1892 |
| modified | 1892 |
| self | 1891 |
| sufficient | 1890 |
| growing | 1889 |
| modern | 1886 |
| merely | 1885 |
| highest | 1882 |
| inhabitants | 1881 |
| extremely | 1877 |
| explanation | 1874 |
| stream | 1874 |
| progress | 1874 |
| moment | 1872 |
| temperature | 1866 |
| types | 1866 |
| method | 1865 |
| compared | 1863 |
| hours | 1863 |
| ventral | 1861 |
| hooker | 1861 |
| mexico | 1857 |
| rare | 1856 |
| ordinary | 1856 |
| big | 1855 |
| motion | 1854 |
| behind | 1854 |
| beings | 1853 |
| consider | 1851 |
| proportion | 1851 |
| descent | 1850 |
| organism | 1850 |
| intermediate | 1849 |
| abundant | 1845 |
| regions | 1840 |
| bright | 1839 |
| takes | 1836 |
| branch | 1831 |
| impossible | 1828 |
| understand | 1823 |
| fields | 1823 |
| received | 1815 |
| wrote | 1815 |
| km | 1813 |
| creek | 1811 |
| base | 1810 |
| list | 1809 |
| relatively | 1809 |
| separated | 1806 |
| february | 1806 |
| creation | 1803 |
| poor | 1800 |
| equally | 1800 |
| wonderful | 1799 |
| follow | 1797 |
| works | 1797 |
| immediately | 1796 |
| parent | 1794 |
| useful | 1793 |
| reach | 1792 |
| followed | 1791 |
| breadth | 1789 |
| africa | 1788 |
| exist | 1788 |
| widely | 1788 |
| changed | 1787 |
| got | 1787 |
| mustela | 1785 |
| road | 1784 |
| finally | 1775 |
| offspring | 1773 |
| observation | 1769 |
| ice | 1766 |
| act | 1764 |
| continent | 1764 |
| nevertheless | 1764 |
| circumstances | 1764 |
| recorded | 1760 |
| slowly | 1760 |
| garden | 1757 |
| looked | 1753 |
| vegetation | 1750 |
| forth | 1748 |
| record | 1748 |
| population | 1744 |
| chief | 1744 |
| doctrine | 1743 |
| members | 1739 |
| scarcely | 1739 |
| run | 1737 |
| main | 1737 |
| spots | 1736 |
| differs | 1736 |
| stand | 1732 |
| bull | 1731 |
| held | 1728 |
| acquired | 1728 |
| countries | 1727 |
| tendency | 1725 |
| sex | 1725 |
| portion | 1724 |
| felt | 1722 |
| entire | 1721 |
| roots | 1721 |
| january | 1718 |
| song | 1717 |
| front | 1710 |
| reptiles | 1706 |
| want | 1705 |
| strange | 1705 |
| habit | 1704 |
| caught | 1704 |
| warm | 1702 |
| distant | 1702 |
| constant | 1701 |
| allied | 1698 |
| lyell | 1693 |
| author | 1686 |
| perfectly | 1681 |
| namely | 1681 |
| outer | 1680 |
| hands | 1678 |
| horses | 1678 |
| plate | 1676 |
| opposite | 1675 |
| hist | 1670 |
| hall | 1669 |
| domestic | 1667 |
| striking | 1667 |
| flat | 1667 |
| review | 1665 |
| chance | 1664 |
| experience | 1663 |
| zool | 1658 |
| instances | 1657 |
| showing | 1655 |
| existing | 1655 |
| hold | 1653 |
| school | 1652 |
| sent | 1650 |
| active | 1648 |
| processes | 1648 |
| nerve | 1643 |
| taking | 1640 |
| figs | 1637 |
| bring | 1634 |
| iii | 1631 |
| tropical | 1631 |
| shell | 1629 |
| mice | 1629 |
| earlier | 1626 |
| besides | 1626 |
| definite | 1624 |
| distinguished | 1620 |
| characteristic | 1617 |
| dogs | 1614 |
| sheep | 1614 |
| division | 1613 |
| wish | 1613 |
| proc | 1613 |
| thirty | 1612 |
| coming | 1609 |
| rain | 1607 |
| partly | 1603 |
| vegetable | 1602 |
| absence | 1601 |
| friend | 1600 |
| struggle | 1597 |
| leave | 1596 |
| powers | 1596 |
| unknown | 1595 |
| answer | 1594 |
| bearing | 1593 |
| ears | 1592 |
| possibly | 1590 |
| met | 1590 |
| successive | 1587 |
| remember | 1587 |
| century | 1582 |
| plain | 1582 |
| elements | 1579 |
| whatever | 1579 |
| comparison | 1579 |
| features | 1578 |
| modification | 1577 |
| evening | 1573 |
| grown | 1572 |
| wall | 1570 |
| goes | 1570 |
| directly | 1569 |
| thin | 1567 |
| suddenly | 1562 |
| flight | 1562 |
| weather | 1559 |
| normal | 1558 |
| connection | 1557 |
| heavy | 1557 |
| hill | 1554 |
| pacific | 1552 |
| naturalists | 1552 |
| width | 1552 |
| movement | 1551 |
| generations | 1542 |
| pure | 1539 |
| strongly | 1539 |
| occurred | 1538 |
| extinct | 1538 |
| forces | 1537 |
| laid | 1537 |
| amer | 1537 |
| chiefly | 1533 |
| shore | 1532 |
| principles | 1531 |
| pretty | 1526 |
| referred | 1524 |
| proper | 1524 |
| chemical | 1521 |
| relations | 1519 |
| resemblance | 1518 |
| simply | 1517 |
| forests | 1516 |
| hills | 1516 |
| sort | 1516 |
| completely | 1515 |
| crossed | 1514 |
| glass | 1514 |
| resemble | 1511 |
| pleasure | 1510 |
| spread | 1508 |
| hour | 1508 |
| internal | 1507 |
| nervous | 1507 |
| giving | 1507 |
| pointed | 1505 |
| room | 1504 |
| preserved | 1503 |
| exposed | 1499 |
| butterflies | 1499 |
| formerly | 1498 |
| shaped | 1497 |
| cattle | 1497 |
| activity | 1496 |
| specific | 1495 |
| lives | 1494 |
| connected | 1494 |
| straight | 1493 |
| lay | 1488 |
| explain | 1486 |
| layer | 1485 |
| increased | 1483 |
| pattern | 1483 |
| lived | 1481 |
| margin | 1479 |
| related | 1478 |
| double | 1477 |
| advantage | 1476 |
| section | 1475 |
| geology | 1475 |
| waters | 1475 |
| begin | 1474 |
| composed | 1473 |
| possess | 1471 |
| derived | 1469 |
| complex | 1469 |
| toward | 1466 |
| limbs | 1466 |
| city | 1465 |
| collection | 1465 |
| strength | 1463 |
| books | 1463 |
| easy | 1463 |
| proved | 1458 |
| classes | 1457 |
| movements | 1453 |
| horns | 1453 |
| breed | 1453 |
| ready | 1452 |
| turned | 1450 |
| ants | 1450 |
| shorter | 1450 |
| drawn | 1449 |
| plates | 1447 |
| broken | 1447 |
| passing | 1445 |
| california | 1445 |
| asked | 1444 |
| eat | 1444 |
| john | 1439 |
| stem | 1438 |
| actually | 1437 |
| forming | 1437 |
| prey | 1433 |
| vertebrate | 1431 |
| names | 1430 |
| oak | 1429 |
| otherwise | 1428 |
| mouse | 1428 |
| approximately | 1425 |
| creature | 1425 |
| future | 1425 |
| neck | 1423 |
| consequently | 1422 |
| unless | 1422 |
| stock | 1420 |
| consists | 1419 |
| forward | 1419 |
| adapted | 1419 |
| native | 1418 |
| embryo | 1418 |
| quantity | 1414 |
| deer | 1412 |
| stages | 1410 |
| notice | 1407 |
| breeds | 1406 |
| help | 1402 |
| passage | 1401 |
| gone | 1401 |
| owing | 1400 |
| belief | 1399 |
| corresponding | 1398 |
| lead | 1398 |
| ideas | 1397 |
| stated | 1397 |
| proof | 1392 |
| rate | 1392 |
| objects | 1391 |
| inner | 1391 |
| instinct | 1391 |
| energy | 1390 |
| tube | 1387 |
| ages | 1387 |
| mental | 1386 |
| prove | 1386 |
| depth | 1383 |
| knew | 1380 |
| conception | 1380 |
| parents | 1378 |
| story | 1376 |
| ways | 1376 |
| speak | 1375 |
| geographic | 1374 |
| inheritance | 1372 |
| royal | 1371 |
| periods | 1369 |
| scale | 1366 |
| et | 1365 |
| rivers | 1365 |
| rule | 1363 |
| crossing | 1363 |
| showed | 1362 |
| supply | 1361 |
| carefully | 1359 |
| tip | 1358 |
| remained | 1357 |
| wholly | 1357 |
| inch | 1356 |
| whereas | 1354 |
| vary | 1353 |
| meet | 1352 |
| basis | 1352 |
| including | 1350 |
| farther | 1350 |
| usual | 1349 |
| ear | 1347 |
| feeling | 1346 |
| working | 1346 |
| naturalist | 1346 |
| des | 1346 |
| plains | 1345 |
| bees | 1344 |
| diameter | 1344 |
| piece | 1342 |
| lamarck | 1342 |
| pages | 1341 |
| univ | 1341 |
| rich | 1339 |
| article | 1338 |
| glacial | 1338 |
| represented | 1337 |
| heads | 1337 |
| mud | 1337 |
| support | 1336 |
| filled | 1335 |
| cultivated | 1333 |
| secondary | 1331 |
| town | 1331 |
| sky | 1327 |
| bed | 1325 |
| flora | 1324 |
| cavity | 1324 |
| problem | 1323 |
| born | 1321 |
| friends | 1320 |
| station | 1320 |
| flesh | 1320 |
| vertebrates | 1316 |
| whilst | 1316 |
| nine | 1316 |
| sharp | 1315 |
| added | 1315 |
| fourth | 1314 |
| established | 1314 |
| language | 1313 |
| else | 1311 |
| resembles | 1310 |
| write | 1310 |
| production | 1308 |
| fox | 1308 |
| factors | 1308 |
| local | 1302 |
| deal | 1302 |
| raised | 1300 |
| capable | 1299 |
| relative | 1299 |
| rarely | 1299 |
| slow | 1298 |
| caused | 1298 |
| adults | 1296 |
| attached | 1296 |
| occurrence | 1295 |
| sweet | 1295 |
| families | 1294 |
| actual | 1293 |
| approach | 1293 |
| die | 1293 |
| contained | 1293 |
| contains | 1292 |
| evident | 1291 |
| named | 1290 |
| built | 1290 |
| confined | 1287 |
| killed | 1285 |
| regarded | 1281 |
| argument | 1281 |
| ranges | 1280 |
| step | 1279 |
| moreover | 1278 |
| contrary | 1274 |
| spirit | 1274 |
| belong | 1273 |
| particularly | 1271 |
| streams | 1265 |
| week | 1264 |
| carry | 1264 |
| geographical | 1263 |
| hot | 1261 |
| essential | 1260 |
| structures | 1258 |
| non | 1258 |
| localities | 1256 |
| absolutely | 1255 |
| segments | 1254 |
| discussion | 1253 |
| likely | 1251 |
| fear | 1251 |
| rose | 1246 |
| solid | 1246 |
| variability | 1246 |
| largest | 1245 |
| pl | 1244 |
| varied | 1243 |
| evidently | 1243 |
| reduced | 1242 |
| stones | 1242 |
| outside | 1241 |
| experiment | 1240 |
| rudimentary | 1240 |
| likewise | 1240 |
| bark | 1239 |
| grows | 1238 |
| lies | 1238 |
| muscle | 1235 |
| date | 1235 |
| village | 1232 |
| women | 1232 |
| persons | 1231 |
| environment | 1230 |
| robert | 1229 |
| flies | 1227 |
| bank | 1225 |
| guam | 1225 |
| snake | 1224 |
| beds | 1224 |
| visit | 1222 |
| explained | 1221 |
| attempt | 1221 |
| rapidly | 1220 |
| strata | 1218 |
| running | 1217 |
| plumage | 1217 |
| immense | 1216 |
| modifications | 1215 |
| social | 1215 |
| seeing | 1215 |
| fixed | 1213 |
| autumn | 1212 |
| divided | 1211 |
| pine | 1211 |
| agassiz | 1208 |
| excellent | 1208 |
| salt | 1206 |
| iv | 1206 |
| reference | 1205 |
| elevation | 1203 |
| european | 1203 |
| australia | 1202 |
| recently | 1200 |
| visible | 1200 |
| moral | 1198 |
| feeding | 1198 |
| cover | 1195 |
| reported | 1195 |
| building | 1194 |
| continuous | 1194 |
| determined | 1193 |
| indians | 1193 |
| applied | 1192 |
| worth | 1191 |
| smooth | 1191 |
| required | 1187 |
| india | 1186 |
| germ | 1185 |
| apes | 1184 |
| comparative | 1184 |
| term | 1183 |
| walk | 1182 |
| child | 1182 |
| flying | 1181 |
| originally | 1179 |
| everything | 1178 |
| houses | 1178 |
| park | 1177 |
| conspicuous | 1176 |
| mode | 1175 |
| sci | 1174 |
| send | 1172 |
| centre | 1170 |
| writing | 1169 |
| glad | 1168 |
| aid | 1168 |
| expected | 1168 |
| containing | 1166 |
| indicate | 1166 |
| mrs | 1164 |
| expression | 1163 |
| studies | 1162 |
| cit | 1162 |
| opening | 1162 |
| darker | 1162 |
| everywhere | 1161 |
| bone | 1160 |
| banks | 1159 |
| admit | 1158 |
| constantly | 1158 |
| regular | 1158 |
| hole | 1156 |
| extensive | 1156 |
| masses | 1156 |
| ends | 1155 |
| arrangement | 1154 |
| enormous | 1154 |
| noted | 1151 |
| limited | 1148 |
| escape | 1147 |
| weeks | 1146 |
| row | 1146 |
| parallel | 1145 |
| removed | 1144 |
| minutes | 1144 |
| naturally | 1144 |
| commonly | 1144 |
| discovery | 1143 |
| inherited | 1143 |
| rapid | 1141 |
| older | 1141 |
| based | 1139 |
| root | 1138 |
| contain | 1133 |
| corn | 1130 |
| boy | 1130 |
| fairly | 1129 |
| nerves | 1128 |
| readily | 1124 |
| health | 1124 |
| globe | 1123 |
| tooth | 1121 |
| questions | 1120 |
| fifty | 1118 |
| sub | 1114 |
| adaptation | 1113 |
| touch | 1113 |
| golden | 1112 |
| lie | 1111 |
| tiny | 1111 |
| vi | 1111 |
| trunk | 1111 |
| prof | 1110 |
| apparent | 1110 |
| move | 1108 |
| hairs | 1108 |
| delicate | 1105 |
| leaving | 1105 |
| uses | 1103 |
| thousands | 1102 |
| person | 1102 |
| observe | 1102 |
| data | 1100 |
| twelve | 1100 |
| indicated | 1100 |
| studied | 1098 |
| journal | 1098 |
| association | 1098 |
| familiar | 1096 |
| scattered | 1095 |
| colorado | 1093 |
| extended | 1092 |
| zone | 1091 |
| desert | 1091 |
| information | 1090 |
| scales | 1089 |
| papers | 1088 |
| anatomy | 1088 |
| watch | 1087 |
| examination | 1087 |
| month | 1083 |
| current | 1083 |
| purple | 1082 |
| existed | 1079 |
| noticed | 1079 |
| feed | 1078 |
| kingdom | 1078 |
| public | 1078 |
| advance | 1073 |
| valuable | 1073 |
| advanced | 1073 |
| substances | 1073 |
| forty | 1072 |
| lowest | 1072 |
| hybrids | 1072 |
| taste | 1071 |
| york | 1070 |
| serve | 1070 |
| agree | 1069 |
| belonging | 1067 |
| skeleton | 1066 |
| asia | 1066 |
| classification | 1066 |
| hollow | 1066 |
| plan | 1064 |
| add | 1064 |
| independent | 1062 |
| slender | 1061 |
| sterility | 1061 |
| isolated | 1061 |
| snout | 1060 |
| previously | 1059 |
| ask | 1059 |
| previous | 1058 |
| voice | 1058 |
| employed | 1057 |
| introduced | 1056 |
| sierra | 1055 |
| paris | 1054 |
| habitat | 1054 |
| struck | 1053 |
| art | 1053 |
| knows | 1052 |
| surfaces | 1050 |
| ad | 1050 |
| tertiary | 1049 |
| grand | 1049 |
| reading | 1049 |
| frogs | 1048 |
| bad | 1048 |
| statement | 1048 |
| principal | 1045 |
| migration | 1045 |
| gold | 1043 |
| membrane | 1042 |
| largely | 1041 |
| mile | 1041 |
| consequence | 1040 |
| bee | 1040 |
| orange | 1040 |
| imagine | 1038 |
| moving | 1037 |
| arise | 1036 |
| provided | 1035 |
| meaning | 1034 |
| pleasant | 1033 |
| yards | 1033 |
| intelligence | 1033 |
| squirrel | 1032 |
| qualities | 1032 |
| limits | 1032 |
| fat | 1031 |
| pieces | 1031 |
| function | 1030 |
| tall | 1029 |
| begins | 1028 |
| success | 1028 |
| concerning | 1027 |
| ummz | 1027 |
| glands | 1027 |
| particles | 1027 |
| factor | 1026 |
| company | 1024 |
| analogous | 1024 |
| arms | 1024 |
| box | 1024 |
| rows | 1023 |
| smith | 1023 |
| frequent | 1021 |
| terms | 1021 |
| exists | 1021 |
| texas | 1021 |
| remarked | 1020 |
| altogether | 1020 |
| deposits | 1019 |
| absent | 1019 |
| sparrow | 1018 |
| iron | 1018 |
| natives | 1018 |
| alike | 1017 |
| seldom | 1016 |
| solution | 1015 |
| arctic | 1015 |
| mark | 1015 |
| reproduction | 1014 |
| apart | 1014 |
| mixed | 1013 |
| writes | 1013 |
| arrived | 1012 |
| conclusions | 1012 |
| snakes | 1012 |
| examples | 1012 |
| concerned | 1011 |
| characteristics | 1011 |
| heredity | 1011 |
| france | 1010 |
| extraordinary | 1009 |
| additional | 1008 |
| suggested | 1008 |
| standing | 1008 |
| trace | 1008 |
| expect | 1007 |
| materials | 1007 |
| quickly | 1007 |
| rendered | 1006 |
| response | 1004 |
| del | 1004 |
| walls | 1004 |
| toes | 1003 |
| tailed | 1003 |
| becoming | 1003 |
| fertilisation | 1003 |
| shot | 1003 |
| orders | 1003 |
| created | 1002 |
| necessarily | 1002 |
| stands | 1000 |
| sufficiently | 999 |
| introduction | 997 |
| play | 997 |
| careful | 996 |
| stood | 995 |
| succession | 995 |
| cat | 994 |
| loss | 992 |
| surrounding | 991 |
| actions | 991 |
| occupied | 990 |
| service | 989 |
| pigeons | 988 |
| colored | 988 |
| extending | 987 |
| situated | 986 |
| thrown | 985 |
| lectures | 985 |
| square | 984 |
| bay | 984 |
| micronesia | 982 |
| interested | 982 |
| earliest | 980 |
| represent | 980 |
| trouble | 979 |
| passes | 979 |
| exact | 978 |
| sudden | 977 |
| spines | 977 |
| danger | 976 |
| available | 976 |
| protection | 975 |
| grew | 974 |
| tried | 974 |
| abundance | 974 |
| resident | 974 |
| variable | 974 |
| contact | 973 |
| protoplasm | 971 |
| rocky | 971 |
| consideration | 970 |
| winds | 970 |
| turtles | 969 |
| obtain | 969 |
| adjacent | 969 |
| research | 968 |
| party | 967 |
| organization | 966 |
| voyage | 966 |
| primary | 966 |
| pond | 965 |
| vessels | 964 |
| marks | 964 |
| tissue | 962 |
| mechanical | 962 |
| cape | 962 |
| typical | 962 |
| biological | 961 |
| marine | 960 |
| allowed | 960 |
| presented | 959 |
| difficulties | 958 |
| stripes | 958 |
| religion | 957 |
| appendages | 957 |
| comparatively | 956 |
| remote | 956 |
| obliged | 955 |
| temperate | 955 |
| truly | 954 |
| rounded | 954 |
| arranged | 954 |
| collections | 953 |
| addition | 952 |
| descended | 949 |
| distinguish | 949 |
| repeated | 948 |
| fore | 948 |
| investigation | 948 |
| rising | 948 |
| matters | 947 |
| picture | 947 |
| lying | 946 |
| artificial | 945 |
| meadow | 944 |
| frenata | 943 |
| singular | 941 |
| included | 940 |
| ridge | 940 |
| powerful | 939 |
| mct | 939 |
| pairs | 936 |
| sugar | 936 |
| slope | 936 |
| affected | 936 |
| vital | 934 |
| pls | 932 |
| holes | 931 |
| try | 931 |
| tribe | 931 |
| speaking | 930 |
| fluid | 930 |
| catch | 930 |
| intervals | 929 |
| believed | 928 |
| fair | 928 |
| source | 927 |
| stems | 927 |
| prepared | 927 |
| farm | 926 |
| vo | 926 |
| captain | 925 |
| uniform | 925 |
| layers | 924 |
| eaten | 923 |
| bushes | 923 |
| weasel | 923 |
| methods | 922 |
| milk | 922 |
| producing | 919 |
| embryonic | 919 |
| worked | 919 |
| el | 918 |
| brilliant | 917 |
| rostrum | 915 |
| occasion | 915 |
| beetles | 915 |
| assume | 915 |
| enemies | 914 |
| honey | 912 |
| expressed | 911 |
| obvious | 911 |
| extends | 911 |
| bats | 911 |
| enter | 911 |
| 910 | |
| valleys | 910 |
| path | 909 |
| bears | 908 |
| meeting | 908 |
| moved | 908 |
| possessed | 907 |
| universe | 906 |
| tend | 906 |
| biology | 906 |
| william | 905 |
| national | 904 |
| skulls | 903 |
| necessity | 903 |
| twice | 903 |
| fell | 901 |
| learn | 901 |
| lord | 899 |
| search | 899 |
| pressure | 899 |
| researches | 899 |
| getting | 897 |
| mention | 897 |
| summit | 897 |
| returned | 896 |
| desire | 895 |
| physiological | 895 |
| produces | 895 |
| nesting | 895 |
| gradual | 894 |
| nearer | 894 |
| wheat | 894 |
| thomomys | 893 |
| mankind | 891 |
| transmitted | 891 |
| opened | 890 |
| re | 890 |
| element | 889 |
| ancestors | 889 |
| spite | 888 |
| footnote | 888 |
| french | 885 |
| cambridge | 884 |
| build | 884 |
| recognized | 883 |
| destroyed | 883 |
| throat | 882 |
| clay | 882 |
| depends | 882 |
| miller | 882 |
| coral | 882 |
| essay | 881 |
| zealand | 881 |
| nearest | 881 |
| underparts | 881 |
| permanent | 879 |
| quiet | 879 |
| respects | 878 |
| continually | 878 |
| leading | 875 |
| happy | 875 |
| draw | 875 |
| design | 875 |
| personal | 874 |
| tamaulipas | 874 |
| post | 874 |
| jaws | 873 |
| fellow | 873 |
| gardens | 872 |
| game | 872 |
| exception | 872 |
| atmosphere | 871 |
| nose | 871 |
| varying | 871 |
| instincts | 870 |
| populations | 870 |
| daily | 870 |
| wife | 870 |
| zygomatic | 869 |
| learned | 868 |
| furnished | 867 |
| aspect | 867 |
| associated | 867 |
| thinking | 866 |
| der | 866 |
| unlike | 864 |
| receive | 864 |
| finding | 864 |
| measured | 863 |
| philosophy | 861 |
| extend | 861 |
| cranial | 861 |
| leads | 861 |
| amongst | 861 |
| college | 860 |
| details | 859 |
| increasing | 858 |
| functions | 858 |
| posteriorly | 857 |
| usnm | 857 |
| inclined | 856 |
| falls | 856 |
| memory | 856 |
| crown | 856 |
| interior | 855 |
| jour | 855 |
| quality | 855 |
| door | 855 |
| hyla | 854 |
| worms | 853 |
| birth | 853 |
| rays | 850 |
| impression | 849 |
| report | 848 |
| angle | 848 |
| discover | 848 |
| elsewhere | 848 |
| illustrations | 848 |
| frog | 848 |
| cave | 847 |
| warbler | 846 |
| jaw | 846 |
| rabbit | 844 |
| district | 844 |
| quoted | 844 |
| clouds | 843 |
| fertile | 843 |
| lecture | 843 |
| springs | 842 |
| fingers | 842 |
| measure | 841 |
| opportunity | 841 |
| examine | 841 |
| convinced | 841 |
| sleep | 840 |
| soul | 840 |
| lately | 840 |
| covering | 839 |
| discussed | 838 |
| fifteen | 837 |
| carapace | 837 |
| died | 837 |
| reasons | 836 |
| productions | 835 |
| ed | 835 |
| steps | 834 |
| naked | 834 |
| literature | 834 |
| business | 832 |
| wider | 830 |
| useless | 830 |
| lakes | 830 |
| publication | 830 |
| favourable | 830 |
| dull | 830 |
| buff | 829 |
| break | 829 |
| surrounded | 829 |
| opposed | 828 |
| phenomenon | 828 |
| continue | 828 |
| king | 827 |
| markings | 827 |
| universal | 827 |
| identical | 827 |
| attack | 825 |
| bat | 825 |
| shallow | 825 |
| eating | 825 |
| inside | 824 |
| microtus | 823 |
| breast | 823 |
| columbia | 822 |
| fossils | 822 |
| fruits | 822 |
| basal | 822 |
| apple | 821 |
| savage | 819 |
| machine | 819 |
| buds | 819 |
| edges | 819 |
| purposes | 818 |
| foundation | 818 |
| acts | 818 |
| saying | 818 |
| contents | 818 |
| prevent | 817 |
| drawing | 817 |
| grounds | 816 |
| inferior | 815 |
| require | 815 |
| tongue | 814 |
| tissues | 811 |
| archipelago | 810 |
| taylor | 810 |
| gm | 810 |
| education | 809 |
| rough | 809 |
| journey | 808 |
| volcanic | 807 |
| labour | 806 |
| considering | 806 |
| microscope | 805 |
| final | 804 |
| window | 804 |
| stomach | 803 |
| mammalia | 803 |
| stripe | 802 |
| judge | 801 |
| whence | 800 |
| hundreds | 799 |
| camp | 799 |
| determine | 797 |
| superior | 797 |
| compare | 797 |
| ill | 796 |
| grey | 796 |
| vessel | 795 |
| ant | 795 |
| union | 795 |
| bound | 795 |
| leg | 794 |
| woman | 794 |
| tells | 793 |
| restricted | 793 |
| favour | 792 |
| conclude | 792 |
| acad | 791 |
| smallest | 791 |
| canal | 790 |
| medium | 790 |
| authority | 790 |
| map | 789 |
| fragments | 789 |
| occasional | 789 |
| fur | 788 |
| war | 787 |
| distributed | 786 |
| jr | 786 |
| bill | 785 |
| problems | 785 |
| finds | 785 |
| ape | 784 |
| deeply | 783 |
| fertility | 782 |
| address | 782 |
| lighter | 782 |
| maximum | 782 |
| reddish | 781 |
| carrying | 781 |
| admitted | 781 |
| refer | 779 |
| subjects | 779 |
| resembling | 779 |
| theories | 779 |
| bullae | 779 |
| lawrence | 779 |
| beak | 778 |
| calls | 778 |
| tympanic | 778 |
| alive | 777 |
| units | 777 |
| coloration | 776 |
| understood | 776 |
| surely | 776 |
| develop | 775 |
| unable | 775 |
| zoology | 775 |
| writer | 774 |
| disease | 773 |
| accounts | 773 |
| tables | 773 |
| considerably | 772 |
| stalk | 772 |
| fundamental | 771 |
| circle | 771 |
| looks | 771 |
| coahuila | 771 |
| visited | 770 |
| selected | 770 |
| church | 768 |
| von | 768 |
| zoological | 768 |
| wonder | 768 |
| practical | 767 |
| fifth | 765 |
| pigeon | 765 |
| authors | 764 |
| offer | 764 |
| shade | 763 |
| thickness | 763 |
| mainly | 763 |
| pelage | 763 |
| dozen | 763 |
| spent | 761 |
| median | 760 |
| subsequent | 760 |
| hidden | 760 |
| walking | 760 |
| collecting | 759 |
| surprised | 759 |
| hedge | 759 |
| dominant | 759 |
| presently | 758 |
| butterfly | 758 |
| allow | 757 |
| peculiarities | 757 |
| irregular | 757 |
| pleistocene | 757 |
| doubtless | 757 |
| uncle | 756 |
| fallen | 756 |
| journ | 756 |
| waves | 755 |
| preceding | 755 |
| climates | 755 |
| exceedingly | 755 |
| enlarged | 755 |
| constitution | 754 |
| dense | 754 |
| succeeded | 752 |
| elephant | 752 |
| distinctly | 752 |
| palau | 751 |
| board | 750 |
| allen | 750 |
| nasals | 749 |
| arm | 749 |
| bare | 749 |
| basin | 748 |
| intellectual | 747 |
| finished | 746 |
| branchial | 746 |
| pounds | 745 |
| master | 745 |
| publ | 745 |
| monkeys | 745 |
| throw | 745 |
| closed | 744 |
| bit | 743 |
| transparent | 742 |
| member | 742 |
| son | 742 |
| gained | 742 |
| wet | 742 |
| dried | 741 |
| entered | 741 |
| descendants | 741 |
| epoch | 740 |
| biol | 739 |
| distinction | 738 |
| corner | 738 |
| remaining | 738 |
| dipodomys | 736 |
| rat | 736 |
| darwinism | 736 |
| reproductive | 736 |
| henry | 735 |
| chain | 735 |
| thoroughly | 735 |
| rev | 734 |
| gut | 734 |
| beach | 734 |
| mine | 733 |
| lack | 733 |
| shores | 732 |
| canyon | 732 |
| yellowish | 732 |
| foramen | 732 |
| weak | 731 |
| limit | 730 |
| properties | 730 |
| reader | 730 |
| disappeared | 729 |
| grasses | 729 |
| slopes | 729 |
| belly | 728 |
| deeper | 727 |
| german | 727 |
| drop | 726 |
| sitting | 726 |
| minor | 725 |
| assumed | 724 |
| mostly | 724 |
| fed | 723 |
| deposited | 722 |
| fold | 722 |
| terrestrial | 721 |
| tails | 720 |
| physiology | 720 |
| flew | 719 |
| circumstance | 719 |
| border | 719 |
| directions | 719 |
| operation | 718 |
| noise | 717 |
| mid | 717 |
| inorganic | 717 |
| afford | 716 |
| nucleus | 715 |
| hunting | 715 |
| merriam | 714 |
| dust | 714 |
| utah | 714 |
| gravel | 714 |
| defined | 713 |
| printed | 713 |
| sketch | 711 |
| driven | 711 |
| fast | 709 |
| hereditary | 709 |
| grams | 709 |
| faith | 707 |
| oil | 706 |
| destruction | 705 |
| properly | 705 |
| ran | 704 |
| government | 703 |
| vii | 702 |
| combined | 702 |
| thanks | 702 |
| contrast | 702 |
| sterile | 701 |
| linnaeus | 701 |
| coat | 701 |
| majority | 701 |
| rabbits | 701 |
| atlantic | 700 |
| famous | 699 |
| include | 699 |
| religious | 698 |
| price | 698 |
| essentially | 698 |
| northeastern | 697 |
| botany | 697 |
| started | 697 |
| possibility | 697 |
| depend | 697 |
| ancestral | 696 |
| keeping | 695 |
| liquid | 695 |
| formations | 695 |
| foliage | 695 |
| runs | 694 |
| james | 694 |
| laboratory | 694 |
| detail | 694 |
| latitude | 693 |
| whenever | 693 |
| stay | 692 |
| rank | 692 |
| forced | 692 |
| gulf | 692 |
| proportions | 692 |
| plainly | 692 |
| sciences | 692 |
| lands | 691 |
| smell | 690 |
| music | 689 |
| accepted | 689 |
| feature | 688 |
| evolved | 687 |
| portions | 686 |
| grain | 686 |
| effected | 686 |
| rises | 685 |
| cloth | 685 |
| shelter | 685 |
| stations | 685 |
| hawk | 685 |
| happened | 684 |
| practice | 684 |
| raymond | 684 |
| larva | 683 |
| peak | 683 |
| watched | 683 |
| winged | 683 |
| wrong | 683 |
| moss | 682 |
| maintained | 682 |
| sounds | 681 |
| domesticated | 681 |
| mamm | 681 |
| thomas | 680 |
| embryology | 680 |
| valves | 680 |
| stronger | 680 |
| column | 680 |
| domestication | 679 |
| owl | 679 |
| floor | 679 |
| spider | 678 |
| directed | 678 |
| brief | 678 |
| sunshine | 677 |
| transverse | 676 |
| illustrated | 675 |
| moon | 675 |
| seas | 674 |
| blind | 674 |
| worn | 674 |
| treated | 674 |
| quadrupeds | 673 |
| stars | 671 |
| bud | 671 |
| belongs | 671 |
| observer | 670 |
| settled | 670 |
| falling | 670 |
| capacity | 669 |
| baker | 669 |
| render | 669 |
| band | 669 |
| fit | 668 |
| absolute | 667 |
| combination | 667 |
| cuvier | 666 |
| roof | 666 |
| possession | 666 |
| spiders | 666 |
| narrower | 666 |
| failed | 665 |
| thank | 665 |
| hybrid | 664 |
| minds | 664 |
| freely | 663 |
| perceive | 663 |
| preservation | 662 |
| spencer | 662 |
| ammocoetes | 661 |
| outline | 661 |
| remark | 661 |
| buffon | 661 |
| yield | 661 |
| standard | 661 |
| centuries | 659 |
| answered | 659 |
| cutting | 658 |
| express | 658 |
| turning | 657 |
| choice | 656 |
| continents | 655 |
| ship | 655 |
| relationship | 655 |
| offered | 655 |
| hitherto | 654 |
| bar | 653 |
| loose | 653 |
| proposed | 652 |
| noble | 652 |
| listed | 651 |
| correct | 651 |
| independently | 650 |
| channel | 649 |
| stick | 649 |
| founded | 648 |
| skins | 648 |
| street | 648 |
| japanese | 648 |
| net | 648 |
| silver | 647 |
| severe | 647 |
| talk | 647 |
| mature | 647 |
| aquatic | 647 |
| tribes | 647 |
| signs | 646 |
| proceed | 646 |
| avoid | 646 |
| historical | 646 |
| fitted | 646 |
| error | 646 |
| guide | 645 |
| faculties | 644 |
| prairie | 644 |
| les | 643 |
| alpine | 643 |
| survey | 643 |
| accompanied | 643 |
| scene | 643 |
| respectively | 643 |
| varies | 643 |
| squirrels | 642 |
| worm | 642 |
| prominent | 642 |
| perfection | 642 |
| rio | 642 |
| limb | 642 |
| judgment | 641 |
| george | 640 |
| brook | 640 |
| reality | 640 |
| begun | 639 |
| bred | 638 |
| delight | 638 |
| suggest | 638 |
| exercise | 638 |
| claws | 638 |
| similarly | 638 |
| liquor | 637 |
| analogy | 637 |
| arises | 637 |
| grains | 637 |
| affinity | 637 |
| regards | 636 |
| ring | 635 |
| twigs | 635 |
| retained | 635 |
| moisture | 635 |
| positive | 634 |
| millions | 634 |
| ridges | 634 |
| needs | 634 |
| holds | 634 |
| influences | 633 |
| cloud | 633 |
| culture | 633 |
| seek | 632 |
| test | 632 |
| attained | 632 |
| reaching | 632 |
| flock | 632 |
| brings | 632 |
| gathered | 632 |
| chapters | 631 |
| index | 631 |
| consist | 631 |
| pleased | 631 |
| constitute | 631 |
| quick | 631 |
| popular | 630 |
| writers | 630 |
| doubtful | 630 |
| embryos | 630 |
| trap | 630 |
| ancestor | 630 |
| vent | 629 |
| accept | 629 |
| events | 629 |
| press | 629 |
| strictly | 628 |
| arose | 628 |
| arguments | 628 |
| possesses | 628 |
| extinction | 628 |
| immediate | 627 |
| fashion | 627 |
| analysis | 626 |
| duck | 626 |
| boys | 626 |
| systematic | 625 |
| olive | 625 |
| supplied | 625 |
| protected | 625 |
| southward | 625 |
| start | 624 |
| lose | 624 |
| indicates | 624 |
| forget | 623 |
| bush | 623 |
| interorbital | 623 |
| turtle | 622 |
| admirable | 622 |
| moth | 622 |
| inhabited | 621 |
| oxygen | 621 |
| fort | 621 |
| floating | 620 |
| maxillary | 620 |
| segment | 620 |
| glaciers | 620 |
| seasons | 620 |
| muscular | 620 |
| currents | 620 |
| probability | 619 |
| und | 619 |
| surprise | 619 |
| upwards | 619 |
| swallow | 618 |
| trying | 618 |
| improved | 618 |
| forgotten | 618 |
| meadows | 618 |
| sandy | 617 |
| sake | 617 |
| shadow | 616 |
| philosophical | 616 |
| publications | 616 |
| battle | 616 |
| save | 616 |
| lesser | 616 |
| sat | 616 |
| exclusively | 615 |
| michigan | 615 |
| chalk | 615 |
| pre | 614 |
| china | 614 |
| effort | 614 |
| fail | 614 |
| exhibit | 614 |
| bs | 613 |
| flexor | 613 |
| boat | 613 |
| utterly | 613 |
| changing | 613 |
| upward | 613 |
| ball | 612 |
| summary | 612 |
| flocks | 612 |
| australian | 612 |
| composition | 611 |
| cry | 611 |
| comparisons | 611 |
| inquiry | 610 |
| describe | 609 |
| sign | 609 |
| rats | 609 |
| practically | 609 |
| auditory | 609 |
| medial | 608 |
| serious | 608 |
| beside | 607 |
| inhabit | 607 |
| acid | 607 |
| cast | 607 |
| imperfect | 607 |
| undoubtedly | 606 |
| vicinity | 606 |
| loc | 606 |
| ordii | 606 |
| waste | 604 |
| marsh | 604 |
| disuse | 603 |
| originated | 603 |
| sit | 602 |
| mexican | 602 |
| spotted | 602 |
| savages | 602 |
| consciousness | 601 |
| canada | 601 |
| arches | 601 |
| miss | 601 |
| wolf | 601 |
| arisen | 601 |
| singing | 601 |
| busy | 600 |
| quarter | 600 |
| moths | 599 |
| affinities | 599 |
| ovum | 598 |
| aware | 598 |
| longitudinal | 598 |
| subsequently | 597 |
| efforts | 597 |
| germinal | 597 |
| continues | 597 |
| brazil | 596 |
| woodland | 596 |
| sets | 595 |
| storm | 595 |
| bringing | 595 |
| darwinian | 595 |
| systems | 595 |
| le | 594 |
| crest | 594 |
| southeastern | 593 |
| situation | 593 |
| guinea | 593 |
| senses | 593 |
| conceive | 592 |
| infinite | 592 |
| kill | 592 |
| buried | 592 |
| gun | 592 |
| cultivation | 592 |
| club | 592 |
| owen | 591 |
| intended | 591 |
| uncommon | 591 |
| wear | 591 |
| moderately | 590 |
| occurring | 590 |
| amphibians | 589 |
| using | 589 |
| treatment | 589 |
| bridge | 588 |
| reasoning | 588 |
| peromyscus | 588 |
| notion | 588 |
| essays | 588 |
| significance | 588 |
| divisions | 587 |
| barrier | 587 |
| frost | 586 |
| happens | 586 |
| complicated | 585 |
| fibres | 585 |
| surprising | 585 |
| traps | 585 |
| apply | 585 |
| huge | 585 |
| paler | 585 |
| thoughts | 584 |
| coal | 584 |
| extension | 584 |
| stimulus | 584 |
| imagination | 583 |
| lowlands | 583 |
| correspondence | 583 |
| travel | 583 |
| reversion | 583 |
| usbs | 583 |
| grayish | 583 |
| flow | 582 |
| erect | 582 |
| weeds | 582 |
| tops | 582 |
| community | 582 |
| counties | 582 |
| ibid | 582 |
| taught | 582 |
| lizards | 581 |
| myotis | 581 |
| bell | 581 |
| thrush | 580 |
| spinifer | 579 |
| viz | 579 |
| purely | 578 |
| lacking | 578 |
| sixty | 578 |
| climbing | 577 |
| application | 577 |
| liable | 577 |
| se | 577 |
| experimental | 577 |
| petals | 576 |
| notwithstanding | 576 |
| apparatus | 576 |
| survival | 576 |
| supported | 575 |
| share | 575 |
| suitable | 574 |
| op | 574 |
| reaches | 574 |
| crosses | 574 |
| cotton | 574 |
| reply | 574 |
| coasts | 573 |
| northward | 573 |
| orchids | 573 |
| fancy | 573 |
| represents | 573 |
| thinks | 573 |
| presents | 572 |
| glance | 572 |
| brother | 571 |
| finger | 570 |
| mimicry | 570 |
| worthy | 569 |
| oh | 569 |
| province | 569 |
| foreign | 569 |
| requires | 569 |
| fertilised | 568 |
| recognition | 568 |
| suspect | 568 |
| tender | 568 |
| cats | 568 |
| compound | 568 |
| stop | 567 |
| trout | 566 |
| weasels | 566 |
| trans | 566 |
| innumerable | 565 |
| gland | 564 |
| brush | 564 |
| bread | 564 |
| needed | 563 |
| objection | 563 |
| whitish | 563 |
| excepting | 563 |
| invariably | 563 |
| elevated | 563 |
| organisation | 562 |