. Concerning evolution. Evolution. $mr RECENT Si PLEISTOCENE " ft 200,000 years PLIOCENE ft 250,000 years MIOCENE 9,000 ft < 900,000 years OLKjOCENE ft l,200,ooo years 1 EOCENE ft 1,200,000 years Aw ' 1 /s â MODERN MAN -PILTD0WN MAN -NEANDERTHAL MAN -PITHECANTHROPUS AN OFFSHOOT FROM LARGE APCS A PRIMITIVE SIAMANG .A PRIMITIVE GIBBON A PRIMITIVE LARGE APE. /COMMON STEM 'â¢' OF LARGE APES 'â¢â¢AND MAN /COMMON STEM '\ OF SMALL APES STEM OF NEW \ WORLD MONKEVS /COMMON ⢠STEM OF V. PRIMATES FIGURE NO. 24 MAN'S GENEALOGICAL TREE (By kind permission of Sir Arthur Kei
. Concerning evolution. Evolution. $mr RECENT Si PLEISTOCENE " ft 200,000 years PLIOCENE ft 250,000 years MIOCENE 9,000 ft < 900,000 years OLKjOCENE ft l,200,ooo years 1 EOCENE ft 1,200,000 years Aw ' 1 /s â MODERN MAN -PILTD0WN MAN -NEANDERTHAL MAN -PITHECANTHROPUS AN OFFSHOOT FROM LARGE APCS A PRIMITIVE SIAMANG .A PRIMITIVE GIBBON A PRIMITIVE LARGE APE. /COMMON STEM 'â¢' OF LARGE APES 'â¢â¢AND MAN /COMMON STEM '\ OF SMALL APES STEM OF NEW \ WORLD MONKEVS /COMMON ⢠STEM OF V. PRIMATES FIGURE NO. 24 MAN'S GENEALOGICAL TREE (By kind permission of Sir Arthur Keith and Messrs. Williams & Nor gate, publishers) From a generalized "Primate" stem there were separated off first, the New World Monkeys; second, the Old World Monkeys; third, the smaller Anthropoid Apes; fourth, the larger Anthropoid Apes. From a generalized Humanoid stem there were separated off various 'tentative men/ like Pithecanthropus. From the stem of Homo there was separated Neanderthal man (Homo neander- thalensis) ; the line is continued by Homo sapiens. The estimates for the duration of Eocene, Oligocene, etc., are of course approxi- mate and subject to criticism. 208. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Thomson, J. Arthur (John Arthur), 1861-1933; Dwight Harrington Terry Foundation. New Haven, Yale University Press; [etc. , etc. ]
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Keywords: ., bookauthorthomsonjarthurjohnart, bookcentury1900, bookdecade1920
