BY THE SAME AUTHOR MEN OF THE OLD STONE AGE THE ORIGIN AND EVOLUTION OF LIFE THE AGE OF MAMMALS EVOLUTION OF MAMMALIAN MOLAR TEETH FROM THE GREEKS TO DARWIN EVOLUTION AND RELIGION HUXLEY AND EDUCATION GREAT NATURALISTS REMINISCENCES OF DARWIN, HUXLEY, BALFOUR, COPE AND OTHERS BY HENRY FAIRFIELD OSBORN RESEARCH PROFESSOR OF ZOOLOGY IN COLUMBIA UNIVERSITY; SENIOR GEOLOGIST IN AMERICAN MUSEUM OF NATURAL HISTORY ILLUSTRATED WITH PORTRAITS CHARLES SCRIBNER'S SONS NEW YORK LONDON 1925 |