bigram

This is a table of type bigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.

bigram	frequency
hind wings	410
fore wings	343
upper surface	163
black spots	150
full grown	124
dark brown	123
betsy butterfly	119
hind wing	117
ground colour	114
outer margin	111
natural selection	107
upper side	104
widely distributed	78
food plant	77
food plants	77
hind margin	75
front wing	69
perfect insect	63
veined white	62
front wings	61
let us	61
fore wing	60
red admiral	57
following spring	57
white spots	56
see page	54
british butterflies	54
chrysalis state	54
caterpillar feeds	52
clouded yellow	49
black spot	49
inner margin	49
orange spots	48
natural size	48
purple emperor	47
black dots	46
years ago	45
new england	44
two species	44
british species	43
bordered fritillary	43
large number	43
pale green	43
freddie firefly	43
last species	42
short time	42
white butterfly	41
line along	40
natural history	40
second brood	40
common blue	39
dark green	39
almost every	38
lay eggs	38
far north	38
wing surface	37
anal angle	37
butterfly appears	36
north america	36
small white	34
meadow brown	33
upper wing	33
one side	33
large white	33
southern states	33
painted lady	33
little butterfly	33
eggs laid	33
fully grown	32
lower surface	32
one end	32
white dots	31
much like	31
low plants	30
united states	30
spots near	30
plate xii	30
white line	30
two broods	30
see plate	30
daddy longlegs	30
well known	30
different species	30
many species	30
will show	29
brown colour	29
expanse inches	29
dusty moth	29
caterpillars feed	29
pale brown	29
moth flies	29
one another	28
will soon	28
bath white	28
small tortoiseshell	28
washed fritillary	28
early summer	28
plate vi	28
pale yellow	28
black markings	28
something like	27
cabbage butterfly	27
garden white	27
southern counties	27
various species	27
silken threads	27
range extends	27
young ones	26
may often	26
first brood	26
plate iv	26
white admiral	26
small copper	26
one brood	26
perfect insects	26
silken web	26
different forms	26
mimetic resemblance	25
spring form	25
silvery spots	25
full fed	25
many years	25
collecting box	25
green fritillary	25
new york	25
bright yellow	25
speckled wood	25
plate ii	25
will find	25
brown argus	25
yellow spots	25
tailed blue	24
coloured plates	24
spot near	24
bright green	24
joseph bumble	24
plate viii	24
little later	24
green colour	24
plate ix	24
less distinct	24
camberwell beauty	24
reddish brown	24
marbled white	24
plate vii	23
red spots	23
pale grey	23
yellow underwing	23
small skipper	23
spotted skipper	23
white lines	23
mimetic forms	23
american butterflies	23
early stages	22
large copper	22
hill blue	22
grown caterpillar	22
several weeks	22
next morning	22
small heath	22
will give	22
will probably	22
glanville fritillary	22
small pearl	22
mazarine blue	22
black border	22
wood white	21
large proportion	21
pale clouded	21
distributed throughout	21
perfect state	21
cyanide bottle	21
darker line	21
costal margin	21
new forest	21
young caterpillar	21
general appearance	21
prunus spinosa	21
distinct species	21
small size	21
papilio polytes	21
new hampshire	21
brown fritillary	21
become full	20
one day	20
generally distributed	20
two white	20
eggs hatch	20
common species	20
studded blue	20
killing bottle	20
plate xiii	20
three weeks	20
holly blue	20
butterfly may	20
johnnie green	20
dingy skipper	20
yellow line	20
young caterpillars	20
general color	20
will often	20
danais chrysippus	20
typical form	20
every one	20
dark grey	19
also found	19
white stripe	19
general colour	19
black scales	19
almost white	19
orange band	19
plate iii	19
earlier stages	19
northern asia	19
large heath	19
closely resembles	19
half grown	19
many parts	19
various parts	19
jimmy rabbit	19
large blue	19
buster bumblebee	19
greater part	19
dorsal line	18
purple hairstreak	18
large tortoiseshell	18
black swallowtail	18
asia minor	18
family contains	18
either side	18
high brown	18
purple hair	18
grizzled skipper	18
old man	18
blue spots	18
pretty little	18
large skipper	18
clouded sulphur	18
green hairstreak	18
discal spot	18
yellow lines	18
inches long	18
black line	18
little creature	18
wing expanse	18
butterflies may	18
velvety black	18
silver spots	18
brimstone butterfly	18
come forth	17
dead leaves	17
long time	17
several species	17
takes place	17
northern states	17
monarch butterfly	17
may also	17
brown hairstreak	17
somewhat similar	17
silken cocoon	17
plate xi	17
greyish brown	17
summer form	17
outer margins	17
rather large	17
one time	17
white spot	17
plate xv	17
heath fritillary	17
good deal	17
brown spots	17
large garden	17
south coast	17
following may	17
right angles	17
various grasses	17
two inches	17
early spring	16
imported cabbage	16
scotch argus	16
will also	16
feeding experiments	16
almost entirely	16
species belonging	16
great many	16
inch long	16
foot trefoil	16
marsh ringlet	16
rather small	16
dark line	16
two distinct	16
outer area	16
one species	16
specific name	16
warning coloration	16
second segment	16
certain species	16
closely related	16
even though	16
three forms	16
larva feeds	16
common moth	16
popular name	16
summer brood	16
next day	16
small black	15
winter quarters	15
front pair	15
great deal	15
eastern counties	15
pale greenish	15
lake district	15
black lines	15
ichneumon flies	15
outer angle	15
found feeding	15
wood argus	15
two forms	15
wings also	15
latter month	15
great variety	15
orange tip	15
least one	15
upper part	15
present species	15
entirely absent	15
will take	15
colour scheme	15
black eye	15
ten days	15
little caterpillars	15
burgundy fritillary	15
various forms	15
large size	15
tail butterfly	15
sir richard	15
will come	15
letter hairstreak	15
one may	15
tree trunks	15
creamy white	15
species may	15
lotus corniculatus	15
hind legs	14
tawny brown	14
throughout england	14
lulworth skipper	14
early june	14
close resemblance	14
plate xiv	14
common throughout	14
found throughout	14
spain fritillary	14
outer half	14
fruit trees	14
young entomologist	14
pure white	14
natural conditions	14
may easily	14
wings closed	14
winter months	14
five species	14
fully developed	14
butterflies lay	14
darker green	14
small blue	14
butterflies appear	14
transverse lines	14
beautiful little	14
two rows	14
spot carpet	14
various shades	14
waste places	14
angle shades	14
central area	14
banded purple	14
much lighter	14
large enough	13
life history	13
small variations	13
every part	13
seen flying	13
brought together	13
yellow stripe	13
greasy fritillary	13
much larger	13
many cases	13
dull green	13
good many	13
painted beauty	13
sometimes called	13
jennie junebug	13
silken carpet	13
north africa	13
two black	13
just like	13
setting boards	13
large numbers	13
hind margins	13
chequered skipper	13
broad black	13
papilio machaon	13
insect may	13
first ring	13
clifden blue	13
honey bunch	13
nemeobius lucina	13
great numbers	13
basal area	13
answered frank	13
fine butterfly	13
two weeks	13
breydon water	13
southern species	12
field work	12
illustration plate	12
flower garden	12
danielsson co	12
often seen	12
next species	12
quite distinct	12
three distinct	12
ulmus campestris	12
pale yellowish	12
bright orange	12
latter part	12
peacock butterfly	12
white butterflies	12
six inches	12
another species	12
many localities	12
two feet	12
betula alba	12
british moths	12
common insect	12
british isles	12
quercus robur	12
tip butterfly	12
yellow stripes	12
four wings	12
white markings	12
wall butterfly	12
et chromolith	12
like projections	12
single specimen	12
southern new	12
replied frank	12
pretty well	12
flew away	12
soon hatch	12
mountain ringlet	12
mimicry ring	12
chirpy cricket	12
much less	12
orange spot	12
azure blue	12
last example	12
many others	12
will enable	12
mother butterfly	12
great majority	12
frank went	12
yellowish brown	12
egg shell	12
fully expanded	12
northern regions	12
chrysalis stage	12
considerable number	12
caterpillar may	12
great britain	12
resting place	12
little caterpillar	12
pale ochreous	12
adonis blue	12
hiding places	12
spotted burnet	12
will see	11
darker markings	11
ph oe	11
old skin	11
oak woods	11
brindled beauty	11
three broods	11
discal cell	11
single specimens	11
appendix ii	11
preceding species	11
full size	11
kentish glory	11
violet leaves	11
brownish black	11
will serve	11
yellow colour	11
south america	11
double brooded	11
frequently seen	11
oe nix	11
different groups	11
first laid	11
wide range	11
left hand	11
rocky mountains	11
now come	11
mimetic likeness	11
general resemblance	11
american tortoise	11
brownish grey	11
ever seen	11
egg enlarged	11
insect life	11
front legs	11
grown caterpillars	11
lines along	11
yellowish grey	11
african butterflies	11
hypolimnas misippus	11
butterflies emerge	11
last two	11
light brown	11
newly emerged	11
eggs soon	11
take place	11
stripe along	11
south american	11
oak eggar	11
true legs	11
less marked	11
urtica dioica	11
mimetic resemblances	11
light green	11
first time	11
see pages	11
caterpillars hatched	11
field people	11
mimicry theory	11
pseudacraea eurytus	11
chalk downs	11
british islands	11
spotted purple	11
nearly every	11
brown ground	11
become acquainted	11
little distance	11
butterfly life	11
silken thread	11
apatura iris	11
spots along	11
come back	11
black arches	11
metallic lustre	11
cocoon among	11
darker brown	11
easily distinguished	11
certain localities	11
two pairs	10
pill boxes	10
become lethargic	10
weeks later	10
head black	10
common everywhere	10
us go	10
fresh specimens	10
much smaller	10
local species	10
orange brown	10
new form	10
female butterfly	10
feet deep	10
greenish tinge	10
long ago	10
goat moth	10
one hundred	10
argynnis paphia	10
salix caprea	10
written description	10
orange colour	10
short distance	10
many butterflies	10
new small	10
hunting ground	10
falcate orange	10
never seen	10
will observe	10
may find	10
treble bar	10
wing cases	10
often found	10
butterfly net	10
egg hatches	10
may take	10
spring azure	10
dark spots	10
beautiful butterfly	10
english name	10
epping forest	10
pale tawny	10
black hairstreak	10
two small	10
caterpillars hatch	10
large black	10
three inches	10
silvery blue	10
leguminous plants	10
nearly black	10
one hand	10
swallow tail	10
look like	10
found among	10
distinctly marked	10
colias edusa	10
throughout europe	10
distinct forms	10
every year	10
white mountain	10
four inches	10
oriental butterflies	10
little blue	10
small butterflies	10
loose bark	10
dorsal stripe	10
will now	10
clouded swallowtail	10
white rings	10
brown line	10
hind pair	10
asked jimmy	10
stinging nettle	10
several times	10
favourite haunts	10
white band	10
will make	10
chrysalis may	10
expanse inch	10
common name	10
wide enough	10
burnished brass	10
brown markings	10
present time	10
far better	10
popularly known	10
must now	10
vanessa antiopa	10
expanded wings	10
every day	10
midland counties	10
fairly common	10
butterfly seems	10
cold weather	10
may possibly	10
little insect	10
tiger swallowtail	10
farther south	10
young leaves	10
best way	9
perforated zinc	9
two friends	9
silken cocoons	9
vanessa atalanta	9
darker lines	9
two sexes	9
dactylis glomerata	9
far west	9
young collector	9
easily known	9
waved umber	9
larger moths	9
almost certainly	9
abundant species	9
central spot	9
also two	9
latter sex	9
black band	9
one inch	9
old lady	9
conspicuous pattern	9
might easily	9
similar way	9
recent years	9
gulf fritillary	9
last night	9
narrow black	9
butterfly bill	9
yearly cycle	9
will sometimes	9
chocolate tip	9
vapourer moth	9
young birds	9
caterpillar state	9
butterfly emerged	9
coloured illustrations	9
just inside	9
caterpillar stage	9
first place	9
adult butterflies	9
laid singly	9
less abundant	9
just behind	9
twelfth segment	9
yellowish white	9
equally well	9
pearl crescent	9
green silver	9
larval state	9
baltimore checker	9
front segments	9
bird hawk	9
week later	9
regal fritillary	9
breeding experiments	9
deep brown	9
setting board	9
two hundred	9
curious habit	9
blue scales	9
three species	9
inner angle	9
peppered moth	9
chief food	9
narrow channel	9
bordered white	9
inches deep	9
nearly two	9
beecroft see	9
like spots	9
papilio dardanus	9
doubtful whether	9
compound eye	9
leucophasia sinapis	9
pale line	9
sometimes even	9
eggs singly	9
caterpillar hatches	9
marsh fritillary	9
wing rays	9
lower part	9
one eye	9
currant moth	9
stripes along	9
flying moths	9
great purple	9
now ready	9
brown butterfly	9
extremely abundant	9
found commonly	9
distasteful species	9
butterfly emerges	9
see plates	9
spun together	9
newly hatched	9
will generally	9
longitudinal stripes	9
scientific names	9
fulvous brown	9
small garden	9
hornet clearwing	9
leaf miners	9
whole surface	9
beautiful insect	9
smoky brown	9
may see	9
will go	9
poplar hawk	9
hook tip	9
every now	9
almost everywhere	9
crimson underwing	9
hawk moth	9
yellow shell	9
little hooks	9
three years	9
hickling broad	9
answered jimmy	9
take care	9
archaic spelling	9
lower wing	9
tawny orange	9
eyed grayling	9
dark spot	9
four eggs	9
privet hawk	9
almost black	9
head hawk	9
many different	8
last segment	8
mountain butterfly	8
little mrs	8
moth may	8
blackish spots	8
spring brood	8
open spaces	8
laurel box	8
hollow trees	8
entomological pins	8
common butterfly	8
mourning cloak	8
phl oe	8
one will	8
new skin	8
vanessa io	8
many insects	8
small holes	8
considerable variation	8
one british	8
often called	8
different kinds	8
chalk hill	8
easy matter	8
hundred species	8
mottled rustic	8
streak near	8
satyrus semele	8
northern species	8
argynnis hyperbius	8
feigning death	8
species will	8
three pairs	8
tawny emperor	8
dull days	8
caterpillars may	8
butterfly just	8
wavy lines	8
various low	8
barnwell wold	8
light orange	8
shall now	8
will answer	8
blue butterfly	8
red underwing	8
may now	8
tortoiseshell butterfly	8
make one	8
little book	8
head quarters	8
perfect butterfly	8
garden dart	8
hangs downward	8
viola canina	8
bright brown	8
euploea core	8
silver crescent	8
grey colour	8
new variety	8
british butterfly	8
argynnis diana	8
deep orange	8
yellow band	8
marginal row	8
little moth	8
zebra swallowtail	8
absolutely necessary	8
considerable numbers	8
outer edge	8
barred sallow	8
great care	8
will eat	8
much longer	8
quite free	8
yellowish line	8
days later	8
type form	8
many things	8
best known	8
gilt edges	8
black spiracles	8
south wales	8
three boys	8
far south	8
popular names	8
scent organs	8
mother butterflies	8
also occurs	8
bluish grey	8
pharmacophagus swallow	8
marbled beauty	8
black margin	8
various stages	8
argynnis adippe	8
gonepteryx rhamni	8
pieris napi	8
among butterflies	8
slender bodies	8
front edge	8
front margin	8
two girls	8
little butterflies	8
early grey	8
tawny colour	8
wild flowers	8
fritillary vars	8
brown wings	8
various members	8
many instances	8
curious little	8
yellowish green	8
olive green	8
blue swallowtail	8
whitish hairs	8
quote mark	8
store boxes	8
larger species	8
accompanying woodcut	8
broad band	8
thecla pruni	8
large yellow	8
runs along	8
lonicera periclymenum	8
especial interest	8
coming forth	8
orange sulphur	8
frank took	8
busily engaged	8
larvae feed	8
light silken	8
male may	8
spot fritillary	8
british specimens	8
meadow fritillary	8
easily recognized	8
mississippi valley	8
presumably distasteful	8
pale brownish	8
farmer green	8
just now	8
almost exactly	8
late spring	8
much darker	8
well defined	8
strongly marked	8
orange patch	8
silk fibres	8
coxcomb prominent	8
eggs enlarged	7
green tissues	7
two preceding	7
dick carleton	7
reniform spots	7
black streak	7
silvery spot	7
like manner	7
grey dagger	7
et al	7
snout butterfly	7
spot towards	7
darker tint	7
east coast	7
salix alba	7
wing near	7
buff ermine	7
vanessa cardui	7
already observed	7
northern brown	7
peach blossom	7
various plants	7
trifolium pratense	7
argynnis selene	7
one thing	7
larger number	7
limenitis sibylla	7
nearly always	7
green leaves	7
dare say	7
plain plates	7
cruciferous plants	7
orange marks	7
blackish border	7
fairly well	7
initial variation	7
us suppose	7
north american	7
wooded country	7
muslin moth	7
following species	7
tiny caterpillars	7
now let	7
comparatively easy	7
common heath	7
easily made	7
peculiar interest	7
two others	7
small mallow	7
willow beauty	7
frank put	7
first moult	7
scarlet tiger	7
oblique lines	7
papilio aristolochiae	7
brilliant metallic	7
cheap edition	7
brindled pug	7
pg typo	7
one form	7
relative proportions	7
butterflies belonging	7
wooden box	7
insect appears	7
good plan	7
large ones	7
iixxyy iixxyy	7
black patch	7
close together	7
came back	7
eye spots	7
pg et	7
brood appearing	7
southern europe	7
easily seen	7
common skippers	7
brown tail	7
professor poulton	7
caterpillars become	7
white ground	7
strong light	7
easily obtained	7
vary considerably	7
copper butterfly	7
begin feeding	7
shape shown	7
asked dick	7
american copper	7
giant swallowtail	7
first pair	7
readily distinguished	7
white sails	7
colias hyale	7
small ringlet	7
large patch	7
will need	7
developed legs	7
within reach	7
band across	7
branched spines	7
yellow butterfly	7
clover fields	7
broad border	7
caught sight	7
five years	7
west virginia	7
clouded silver	7
many times	7
smaller species	7
fully fed	7
green carpet	7
white mountains	7
great spangled	7
entirely wanting	7
wings may	7
black discal	7
ordinary scale	7
vanessa polychloros	7
living creatures	7
pretty insect	7
may prove	7
remarkable resemblance	7
poplar kitten	7
goatweed emperor	7
several days	7
chrysalis shell	7
bordered beauty	7
one leaf	7
exactly like	7
four british	7
added comma	7
good sport	7
old bird	7
common carpet	7
bronze copper	7
mimetic females	7
bar across	7
thickly covered	7
wings expand	7
bright red	7
dark border	7
shall see	7
will prove	7
perfectly free	7
cercyonis alope	7
may happen	7
august thorn	7
specimens may	7
separate species	7
long ages	7
warning pattern	7
just back	7
beautiful carpet	7
small moths	7
replied dick	7
lucerne fields	7
opposite page	7
darker stripe	7
will always	7
insects may	7
seldom seen	7
university press	7
pretty much	7
form may	7
giant skippers	7
white pupils	7
danais septentrionis	7
quite different	7
gray emperor	7
little black	7
eggs may	7
shall soon	7
drawn together	7
many caterpillars	7
zebra butterfly	7
three feet	7
chrysalis skin	7
compton tortoise	7
mimicry rings	7
almost impossible	7
butterfly comes	7
milkweed butterfly	7
first two	7
head moth	7
much reduced	7
much alike	7
silken loop	7
four weeks	7
transverse band	7
north lancashire	7
flame shoulder	7
collector will	7
will get	7
upper wings	7
golden spots	7
following june	7
eyed hawk	7
dull brown	7
little time	7
moses harris	7
two spots	7
beautiful butterflies	7
insect flies	7
old birds	7
especially abundant	7
tawny spots	7
fly away	7
closely resemble	7
almost sure	7
black head	7
basal half	7
brownish colour	7
ten species	7
tawny yellow	7
eastern states	7
warm weather	7
pupilled black	7
mimetic form	7
extensive family	7
small meadow	7
larva may	7
frosted orange	7
less conspicuous	7
little wood	7
checkered white	7
small ph	7
nearly full	7
first sight	7
thecla rubi	6
bright sunshine	6
dog violet	6
future butterfly	6
newly laid	6
will require	6
common butterflies	6
much better	6
caterpillars will	6
extreme north	6
butterfly family	6
barred white	6
well enough	6
pharmacophagus group	6
commence feeding	6
bordered bee	6
grass rivulet	6
added missing	6
wide distribution	6
rarely found	6
short hairs	6
ochreous brown	6
best thing	6
garden carpet	6
concealing coloration	6
line edged	6
common emerald	6
harvest mouse	6
total number	6
light grey	6
sometimes tinged	6
nisoniades tages	6
straw colour	6
female butterflies	6
different families	6
numerous species	6
setting needle	6
adult butterfly	6
pearl spots	6
many moths	6
white stripes	6
blotting paper	6
take two	6
almost exclusively	6
cloudless sulphur	6
white wings	6
little way	6
flowering plants	6
first week	6
bee hawk	6
hundred years	6
favourite resorts	6
rather rare	6
colour pattern	6
chapter ii	6
seven oblique	6
emperor moth	6
must also	6
common british	6
will turn	6
short whitish	6
large moth	6
moderately common	6
argynnis euphrosyne	6
banded hair	6
last family	6
sometimes seen	6
just one	6
walker see	6
first flight	6
lesser broad	6
yellow scales	6
strong resemblance	6
several specimens	6
british lepidoptera	6
orange underwing	6
another interesting	6
mother shipton	6
line bright	6
fortunate enough	6
wood nymph	6
must necessarily	6
thistle butterfly	6
pale buff	6
many points	6
spring usher	6
one butterfly	6
bordered yellow	6
outer skin	6
chrysalis within	6
little sulphur	6
tilia vulgaris	6
almost invariably	6
mr fryer	6
atlantic states	6
great bustard	6
comparatively simple	6
silvery white	6
two lines	6
bright fulvous	6
large part	6
least skipper	6
yellowish stripes	6
fritillary argynnis	6
common wood	6
fine specimens	6
mimetic butterflies	6
three genera	6
light arches	6
pleasant valley	6
marbled minor	6
good thing	6
difficult matter	6
went home	6
caterpillar matures	6
much evidence	6
poplar grey	6
running across	6
rare species	6
second stage	6
chrysorrh oe	6
inner side	6
small elephant	6
tropical species	6
marbled carpet	6
like butter	6
first appears	6
widely spread	6
chinese character	6
buff tip	6
yearly history	6
full growth	6
generally find	6
wood tiger	6
following localities	6
general rule	6
irregular white	6
band beyond	6
pretty generally	6
may appear	6
shining black	6
marginal spots	6
female may	6
paisley method	6
south devon	6
lined quaker	6
outer border	6
will know	6
various butterflies	6
round spot	6
another group	6
wood butterfly	6
boldly marked	6
firmly fixed	6
mottled umber	6
caterpillars fed	6
southern regions	6
several years	6
ochreous grey	6
yet another	6
flounced rustic	6
lobster moth	6
edith rose	6
perfect form	6
wings folded	6
cast skin	6
specific names	6
argynnis aglaia	6
oh yes	6
small dark	6
erebia epiphron	6
moth appears	6
false legs	6
abundant everywhere	6
whitish stripe	6
may perhaps	6
brought home	6
may require	6
new one	6
another form	6
somewhat different	6
greater number	6
mary merivale	6
unpalatable species	6
latin names	6
markings arranged	6
black veins	6
black pigment	6
often happens	6
anosia plexippus	6
winged pug	6
full stop	6
much paler	6
fine hairs	6
many places	6
rather glossy	6
two yellow	6
closed wings	6
two years	6
whole affair	6
take advantage	6
see nothing	6
one year	6
two specimens	6
sulphur butterfly	6
scalloped oak	6
small caterpillars	6
fine insect	6
let go	6
came within	6
broad white	6
pretty sure	6
seasonal dimorphism	6
dark lines	6
completely hidden	6
tin box	6
many kinds	6
wild state	6
distinct black	6
one half	6
dark smoky	6
feet six	6
grayish brown	6
common enough	6
stripe runs	6
slightly darker	6
go back	6
anal claspers	6
caterpillars remain	6
ichneumon fly	6
oblique stripes	6
general form	6
one specimen	6
pharmacophagus papilio	6
long period	6
large family	6
red band	6
partial second	6
remain unchanged	6
commonly found	6
turned back	6
thecla quercus	6
small angle	6
chapter iii	6
among british	6
sulphur yellow	6
hind end	6
gray hair	6
small family	6
chip boxes	6
growing plants	6
belted clearwing	6
rustic shoulder	6
first thing	6
without much	6
epinephele tithonus	6
related species	6
black bands	6
whitish band	6
larval skin	6
anal points	6
riband wave	6
case may	6
various fruit	6
grey arches	6
dark streak	6
long enough	6
taken near	6
years past	6
darker colour	6
come across	6
smoky wainscot	6
ground carpet	6
sheet cork	6
upper surfaces	6
little doubt	6
two butterflies	6
central black	6
elymnias undularis	6
different stages	6
york city	6
slight variations	6
green caterpillars	6
rich orange	6
inch thick	6
male specimens	6
chalky districts	6
greenish blue	6
light emerald	6
whole body	6
commonly known	6
took place	6
digestive apparatus	6
ghost swift	6
commonly called	6
selection rate	6
pearly eye	6
pacific coast	6
find shelter	6
latter case	6
seldom found	6
right side	6
beautiful betsy	6
coloured eggs	6
three black	6
papilio hector	6
two long	6
pale olive	6
november moth	6
first example	6
beautifully marbled	6
given locality	6
dingy brown	6
clifden nonpareil	6
grayling butterfly	6
american species	6
one example	6
butterflies late	6
vertical position	6
dark crimson	6
dainty sulphur	6
local insect	6
netted pug	6
pupal state	6
three groups	6
colour patterns	6
whitish lines	6
white patch	6
sexual mark	6
winged insects	6
ground color	6
may occur	6
winged flies	6
common wave	6
sometimes three	6
moths may	6
second flight	6
various kinds	6
particular species	6
spangled fritillary	6
may give	6
last year	6
butterfly differs	5
species occur	5
two exceptions	5
larger one	5
outer series	5
smoke colour	5
yellowish colour	5
egg soon	5
southern white	5
lace border	5
known popularly	5
illustrated natural	5
elephant hawk	5
box may	5
often see	5
still another	5
male colour	5
will begin	5
tissues harden	5
well acquainted	5
two parts	5
compound microscope	5
dark patch	5
apparatus required	5
little fellow	5
essex skipper	5
swallowtail papilio	5
bordered straw	5
another brood	5
form known	5
already described	5
long legs	5
central europe	5
gradual accumulation	5
become larger	5
natural surroundings	5
resemble one	5
skipper butterflies	5
one place	5
well concealed	5
transverse bands	5
northern counties	5
distinct eye	5
milkweed butterflies	5
one pair	5
white colour	5
taking care	5
chapter iv	5
two large	5
protective value	5
old gentleman	5
june till	5
third moult	5
pale drab	5
walking legs	5
tailed butterfly	5
also one	5
may say	5
median nervules	5
sixth segments	5
rather short	5
dark hairstreak	5
wall brown	5
easily found	5
taken place	5
royal blood	5
stiff breeze	5
exactly similar	5
jimmy brett	5
one near	5
numerous black	5
well marked	5
flower heads	5
feet long	5
iron prominent	5
carefully studied	5
light line	5
come within	5
great crested	5
joined together	5
strong enough	5
one round	5
larger skippers	5
comma butterfly	5
male sex	5
previously mentioned	5
rather rapidly	5
black tip	5
young readers	5
predaceous insects	5
less common	5
black bristles	5
begins feeding	5
discal area	5
native species	5
relative abundance	5
climatic conditions	5
find one	5
closely together	5
oak hook	5
caduga tytia	5
pale tussock	5
english names	5
native butterflies	5
march moth	5
first made	5
rather thick	5
general use	5
color sense	5
sex figured	5
egg state	5
reminding one	5
mimicking species	5
caterpillars go	5
glass jar	5
peculiar feature	5
leaved plantain	5
scientific name	5
often meet	5
varies greatly	5
brightly colored	5
frank saw	5
interesting account	5
soon become	5
early august	5
lighter lines	5
whitish spots	5
will supply	5
three hundred	5
dark olive	5
green chrysalids	5
butterflies hibernate	5
pupa state	5
easily observed	5
may still	5
latter may	5
deep rich	5
fourth segment	5
little difficulty	5
african continent	5
half long	5
much resembles	5
china mark	5
probably many	5
flower gardens	5
large elephant	5
cabbage moth	5
tiny white	5
double line	5
peat bogs	5
aster leaves	5
like form	5
various organs	5
small one	5
chapter ix	5
generally near	5
lays eggs	5
eastern north	5
caterpillar becomes	5
open woods	5
striking resemblance	5
went back	5
butterfly figured	5
spots edged	5
busily employed	5
black hair	5
much damage	5
local butterfly	5
pieris daplidice	5
closely allied	5
rather darker	5
full length	5
southern canada	5
oh dear	5
eyed brown	5
rubus fruticosus	5
white paper	5
us now	5
care must	5
gynandrous specimens	5
english entomologists	5
give one	5
chapter vi	5
butterflies come	5
generally accepted	5
imperfectly developed	5
black tips	5
skin splits	5
equal numbers	5
lime hawk	5
digitalis purpurea	5
general way	5
six weeks	5
following summer	5
two great	5
females lay	5
quite sufficient	5
black warts	5
august th	5
soon hatches	5
inches across	5
planema macarista	5
little else	5
one egg	5
cried frank	5
rarely seen	5
butterflies will	5
general ground	5
six rows	5
left behind	5
birds eating	5
particularly abundant	5
living butterflies	5
currant clearwing	5
greenish yellow	5
brown hair	5
caledonian canal	5
will put	5
last stage	5
beautiful green	5
entire surface	5
wind blew	5
proper place	5
abundant throughout	5
farther north	5
moths will	5
open fields	5
upper sides	5
simplest way	5
long distances	5
acraea violae	5
snout butterflies	5
melanargia galatea	5
various flowers	5
similar situations	5
bordered carpet	5
lesser yellow	5
brown color	5
northern limits	5
dull dark	5
nearly alike	5
phyciodes tharos	5
two eyes	5
although many	5
old mr	5
closely resembling	5
mehitable moth	5
swallowtail butterflies	5
runs parallel	5
band near	5
palamedes swallowtail	5
found everywhere	5
will let	5
black specks	5
caterpillar will	5
early part	5
white ermine	5
sexes differ	5
left alone	5
easily captured	5
rather slender	5
required food	5
next chapter	5
one occasion	5
small eye	5
unpalatable forms	5
great order	5
white instead	5
hypolimnas dubius	5
four legs	5
shoulder knot	5
short period	5
may expect	5
must get	5
dozen species	5
small bottle	5
every species	5
arran brown	5
african mimetic	5
many respects	5
entirely different	5
less extent	5
oriental region	5
little experience	5
known fact	5
beautiful china	5
less suffused	5
lighter markings	5
many interesting	5
young lady	5
metallic spots	5
winged fly	5
along roadsides	5
like many	5
must go	5
rusty red	5
similarly marked	5
numerous small	5
stable equilibrium	5
white eggs	5
soil surface	5
sometimes absent	5
four feet	5
general characteristics	5
common swift	5
definite form	5
turnip moth	5
far back	5
meal moth	5
one sees	5
ground tint	5
may become	5
large eye	5
short black	5
simple eyes	5
butterfly hunting	5
three times	5
found suspended	5
butterfly will	5
thick bodies	5
give us	5
catching butterflies	5
far northern	5
see betsy	5
green comma	5
caterpillar emerges	5
will never	5
distribution extends	5
open window	5
minute black	5
garden pebble	5
typical female	5
got hold	5
hooked claws	5
will fly	5
green chrysalis	5
tall reeds	5
paler brown	5
wild carrot	5
white pupilled	5
small seraphim	5
seek shelter	5
geographical distribution	5
caterpillar skin	5
looks like	5
afterwards becomes	5
wings erect	5
hop merchant	5
must come	5
careful observations	5
marginal border	5
large emerald	5
exceedingly common	5
related plants	5
first meal	5
long series	5
puss moth	5
often find	5
already mentioned	5
never mind	5
rather long	5
almost always	5
curious fact	5
generally common	5
epinephele ianira	5
oeneis norna	5
two pieces	5
dense clusters	5
several months	5
soon found	5
migratory birds	5
front border	5
take home	5
line brown	5
pararge egeria	5
two examples	5
good time	5
must take	5
male butterfly	5
next family	5
will become	5
quite absent	5
larger size	5
new species	5
four days	5
must say	5
light rings	5
fourth segments	5
headed gulls	5
will readily	5
must suppose	5
found almost	5
shall select	5
coombe wood	5
feign death	5
polyommatus dispar	5
argus butterfly	5
triticum repens	5
vary greatly	5
reputed british	5
summer butterflies	5
cream wave	5
fully formed	5
western counties	5
spots just	5
colour varies	5
becomes full	5
darenth wood	5
distinct white	5
tailed papilio	5
vast numbers	5
little species	5
velvety appearance	5
pg added	5
conspicuous black	5
butterfly larvae	5
green color	5
butterfly remains	5
little searching	5
will set	5
male butterflies	5
brown stripe	5
well adapted	5
much attention	5
large orange	5
gray comma	5
beautiful purple	5
chapter vii	5
empty egg	5
chalkhill blue	5
front ones	5
marked degree	5
plate opposite	5
mountain silver	5
small yellow	5
generally speaking	5
clouded brindle	5
water aquarium	5
country people	5
relative proportion	5
time ago	5
head downward	5
breeding season	5
black borders	5
caterpillar makes	5
will pass	5
north wales	5
will keep	5
bodied moths	5
wavy line	5
may serve	5
small ones	5
poa annua	5
remarkable resemblances	5
greenish white	5
common white	5
years since	5
insect world	5
small species	5
give rise	5
spurge hawk	5
boys went	5
shall briefly	5
bird like	5
alcidis agathyrsus	5
mottled willow	5
great family	5
characteristic features	5
without hesitation	5
five british	5
summer months	5
whitish dots	5
popular title	5
found along	5
butterfly caterpillar	5
larva glass	5
bordered five	5
following april	5
olive brown	5
light cocoon	5
another method	5
small hole	5
hand column	5
black bar	5
intermediate forms	5
fore pair	5
great southern	5
young woman	5
coloured illusts	5
door world	5
pale greyish	5
box will	5
early autumn	5
note book	5
rather local	5
may get	5
will try	5
orbicular spot	5
ringlet butterfly	5
brimstone moth	5
far less	5
yellowish spots	5
olive hair	5
young larva	5
silken cord	5
feel inclined	5
four species	5
open water	5
though often	5
straight line	5
part ii	5
marginal band	5
upright position	5
without injury	5
fallen leaves	5
eating butterflies	5
galium verum	5
anal hooks	5
animal life	4
boys sailed	4
detailed description	4
small magpie	4
solomon owl	4
black rings	4
small birds	4
vital organs	4
afterwards turns	4
fairly plentiful	4
papilio philenor	4
two boys	4
one along	4
ringed carpet	4
marsh moth	4
west coast	4
two kinds	4
great difference	4
green line	4
prorsa form	4
sheltered spot	4
will look	4
pale lines	4
pearly underwing	4
yellow tail	4
color tones	4
transparency group	4
will help	4
gold spots	4
perfect forms	4
many enemies	4
weather sets	4
will just	4
damp places	4
small spot	4
british america	4
first green	4
frank got	4
wroxham broad	4
whittlesea mere	4
everybody else	4
head butterfly	4
considerable variety	4
states east	4
best plan	4
missing end	4
dark bluish	4
pupa hunting	4
extending across	4
british entomology	4
common quaker	4
rather dingy	4
oe cia	4
family includes	4
different parts	4
brassica napus	4
eleventh segments	4
butterflies remain	4
nearly equal	4
many sorts	4
leisurely life	4
found resting	4
run along	4
fagus sylvatica	4
run together	4
characteristic fashion	4
comes forth	4
lilac blue	4
greyish white	4
remain quiet	4
black bars	4
young entomologists	4
may make	4
smaller size	4
species belong	4
wing membrane	4
er congr	4
clear yellow	4
poor thing	4
papilio glaucus	4
disagreeable properties	4
also eat	4
hereditary factors	4
partly grown	4
apple tree	4
paler line	4
metal boxes	4
also occur	4
better chance	4
laid late	4
common partridge	4
various families	4
added full	4
much farther	4
northern europe	4
gives us	4
inches wide	4
small mountain	4
green substance	4
epinephele hyperanthus	4
human beings	4
six species	4
broad orange	4
rich dark	4
fine hair	4
three rows	4
first formed	4
reddish head	4
swift flight	4
part iii	4
lively little	4
put together	4
must know	4
various trees	4
two caterpillars	4
now seems	4
frequently met	4
white bar	4
setting butterflies	4
two thirds	4
often common	4
autumn brood	4
fine day	4
one might	4
brown lines	4
hesperia sylvanus	4
eyes hairy	4
boys took	4
opening quote	4
just outside	4
conspicuous white	4
will want	4
always kept	4
numerous enemies	4
untimely end	4
cambridge university	4
pretty moths	4
red cedar	4
duck pond	4
one fine	4
white cabbage	4
various localities	4
common wainscot	4
rare british	4
argynnis lathonia	4
two days	4
larva cage	4
winter moth	4
dark dorsal	4
two insects	4
edged sulphur	4
will ever	4
proper places	4
two short	4
great pace	4
chief work	4
will appear	4
butterfly goes	4
wild senna	4
sometimes much	4
black marginal	4
glossy black	4
summer lethargy	4
shallow water	4
common footman	4
much pleasure	4
abundant insect	4
rich golden	4
exceedingly variable	4
twelve days	4
become quite	4
every case	4
wild mignonette	4
percentage percentage	4
master frank	4
coppery red	4
brown spot	4
without making	4
commonly met	4
easily caught	4
life histories	4
upper branches	4
quite smooth	4
probably also	4
diana fritillary	4
insect takes	4
almost certain	4
anal extremity	4
one wishes	4
grammar school	4
wings fully	4
upper one	4
tell us	4
northern localities	4
heavily marked	4
nature first	4
female specimens	4
old cox	4
female sex	4
red markings	4
presumably unpalatable	4
kitchen garden	4
remain dormant	4
black marks	4
red spot	4
metallic blue	4
tender leaves	4
among others	4
cynthia cardui	4
white discal	4
beautiful species	4
dick took	4
bristly spines	4
population population	4
southern wood	4
apical spot	4
extreme delicacy	4
mississippi river	4
ever since	4
long experience	4
now arrive	4
dull grey	4
finely dotted	4
young one	4
higher animals	4
corylus avellana	4
light markings	4
become dry	4
poor butterfly	4
sheltered nooks	4
fine point	4
among females	4
must look	4
last moult	4
common objects	4
shouted frank	4
bluish gray	4
host plant	4
last ring	4
well worth	4
smaller ones	4
need never	4
good service	4
flying round	4
pale straw	4
brighter green	4
found together	4
collector may	4
general pattern	4
chapter xi	4
ordinary form	4
interesting fact	4
eyed spots	4
light ground	4
butterfly makes	4
higher elevations	4
easily taken	4
varies considerably	4
unpalatable model	4
blue vars	4
darker spots	4
heigham sounds	4
least two	4
quite sure	4
drying house	4
rearing butterflies	4
outer leaves	4
several broods	4
leaf rollers	4
careful observer	4
one forcibly	4
often abundant	4
five hundred	4
dark purple	4
bright blue	4
oblique carpet	4
mimicry hypothesis	4
east wind	4
powerful lens	4
better still	4
first three	4
another leaf	4
brownish line	4
spot tiger	4
successive broods	4
last century	4
different colours	4
broad bands	4
three quarters	4
species occurs	4
also retained	4
far enough	4
yellowish tint	4
true butterflies	4
protective resemblance	4
apple green	4
extends throughout	4
soon get	4
greenish colour	4
often absent	4
night long	4
following manner	4
black dash	4
flying away	4
years later	4
may meet	4
fore legs	4
occasionally met	4
quite satisfied	4
may remain	4
spice bush	4
near outer	4
suitable shelter	4
heliconius melpomene	4
hybernated specimens	4
beautiful moth	4
blue suffusion	4
third part	4
danaine series	4
twenty years	4
bright tawny	4
large one	4
never saw	4
frank kept	4
fully exposed	4
united kingdom	4
reniform spot	4
distinct warning	4
railway banks	4
pretty good	4
empty chrysalis	4
opposite side	4
hybernating butterflies	4
many months	4
smoky grey	4
marbled coronet	4
runs round	4
sexes similar	4
three parts	4
fulvous band	4
open country	4
less distinctly	4
may come	4
interesting case	4
deep blue	4
watch one	4
bound together	4
brilliant orange	4
rather less	4
seven beyond	4
near bedford	4
us watch	4
deep purple	4
barrett states	4
sipping nectar	4
canary isles	4
two sides	4
living things	4
silver border	4
sallow blossom	4
superior size	4
rather broad	4
contained five	4
mimicry among	4
dirty white	4
fifty years	4
now take	4
hind ones	4
several localities	4
marked resemblance	4
inch deep	4
golden plover	4
grassy places	4
brown chrysalis	4
will suffice	4
gaily coloured	4
brown insect	4
latin name	4
dull yellow	4
found near	4
narrow brown	4
red colour	4
easily managed	4
lower edge	4
notable examples	4
parallel series	4
several distinct	4
catching moths	4
caterpillar eats	4
considerable distance	4
broad bar	4
open box	4
northern form	4
one large	4
time occupied	4
chapter viii	4
slightly concave	4
brilliant scarlet	4
treble lines	4
interesting little	4
yellow beneath	4
butterfly generally	4
yellow ones	4
rather narrow	4
next year	4
quite still	4
another way	4
slightly curved	4
green dorsal	4
many collectors	4
orange yellow	4
reader may	4
regular intervals	4
basilarchia archippus	4
always present	4
often tinged	4
limenitis arthemis	4
monks wood	4
brood may	4
naked eye	4
black centres	4
yellow butterflies	4
autumnal brood	4
generally found	4
life see	4
now found	4
butterfly first	4
smoky tint	4
wooded districts	4
careful study	4
eared owl	4
bordered likeness	4
oak trees	4
will bring	4
close general	4
imitative species	4
certain parts	4
escape observation	4
well remember	4
brown blotches	4
five miles	4
trophonius form	4
dead dog	4
papilio troilus	4
either scotland	4
totally different	4
thanaos tages	4
slender black	4
side uppermost	4
wings spread	4
species bears	4
just described	4
freshly emerged	4
transverse line	4
bird enemies	4
white comma	4
remind one	4
open space	4
paler lines	4
mottled grey	4
much obliged	4
insect hibernates	4
early thorn	4
occurs throughout	4
net may	4
butterfly eggs	4
leopard moth	4
ever see	4
general characters	4
sunny banks	4
hesperia comma	4
already noticed	4
black wings	4
cynthia moth	4
fossil butterflies	4
remain together	4
four white	4
good sized	4
two principal	4
sambucus nigra	4
crimson speckled	4