Keith, mn, ras. With 10 tifustra tions." "Forum" Series No. 38). Watts, London, The age of the oldest fossil-bearing rocks approaches one thousand million years; those containing remains of suckling-animals (mam mals) go back about one hundred million years. The oldest definitely human remains date back about ten million years; agricultural man began as" recently. as about "ten thousand years ago, Such is the antiquity of life and all the fragment tary relies bear witness to its unity.
There are still some curious people who deny that man has descended from animal forebears and that he is cousin to the apes. In spite of the millions of anatomical and emotional details in which man is identical with cats, dogs, cows and bears "and the "almost complete identity of his anatomy with that of know monkeys and especially that of the four apes (gorilla, chimpanzee, ourang and gibbon) they to denounce those who say thet such Felatlonship is a certainty. To them this book will not appeal, but to all Feasonable people it will' be of the highest interest.
Sir Arthur Keith describes in brief and clear terms the various genea-Togical trees that have been drawn for man to show his blood connec tion with the monkeys, and beyond them to the lemurs and the Aus tralian" marsupials. It should emphasized that on every line the Femote common ancestors must have differed considerably from their present-day descendants so that the munch-beloved "missing link" of the journalists could not be, as is popular supposed, something twixt man end monkey but an animal possessing tuch characteristics that Both'men and monkey can show Mat very charming litre book—nc reit descent from it,
Text read from the printed page and cleaned; old type leaves the occasional error.