id author title date pages extension mime words sentences flesch summary cache txt 16807 Allen, Grant Falling in Love; With Other Essays on More Exact Branches of Science .txt text/plain 113342 3860 60 the remote fact that primitive man had to use his right hand to deliver that time the uses of the right and left hand were becoming by gradual form serves a great deal better than the truth, so far as yet known, on plant or animal, placed under new conditions, begins to undergo adaptive changes continue, till the plant or animal acquires totally new habits; plants and animals have all a natural origin from a single primitive existing in a state of suspended animation for any long period of time just like Australia.' The animals, the trees, the plants, the insects, dolphin looks externally very like a fish, in head and tail and form and there the long cold spell known as the Great Ice Age, or Glacial Epoch, certain periods in the world's life when for a very long time together insect race look for all the world like clusters of the little American ./cache/16807.txt ./txt/16807.txt