File:Guide leaflet (1901) (14581726198).jpg

Identifier: scienceguide7692amer (find matches)
Title: Guide leaflet
Year: 1901 (1900s)
Authors: American Museum of Natural History
Subjects: American Museum of Natural History Natural history
Publisher: New York : The Museum
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: IMLS / LSTA / METRO

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THE FOOT IN (A) GORILLA,(B) MAN. After dissections bv H. C. Raven. In man the transverse adductor ofthe great toe is still present essentially in the anthropoid position though muchreduced. The oblique adductors of the great toe are well developed in both manand anthropoids. The abductor of the great toe is almost identical in man andanthropoids. The same is true of the abductor of the little toe Comparative Anatomy of the Sole of the Huvian Foot. The superficiallyhand-like appearance of the feet of the chimpanzee and gorilla was viewedin earlier times as an important and fundamental point of difference fromthe foot of man, but dissections of the sole musculature show that the footof the chimpanzee and of the gorilla is operated h\ muscles which cor-respond, not to the muscles of the human hand, but to those of the humanfoot (Fig. 18). In brief, the musculature as well as the skeleton of thehuman foot is fundamentally of the biramous anthropoid type. (140) IMKODLCnON K) IllMW AW r()\n
Text Appearing After Image:
JVotharclus Fig. 19. A STRUCTURAL SERIES OF FEET OF PRIMATES FROMTHE EOCENE NOTHARCTUS TO MAN (4) THE FACE FROM FISH TO MAN(casf\I) A comparative series of models, including living and extinct forms andshowing a general progress from fish to man (Fig. 20). These forms do not lie in the direct line of descent to man but arc thenearest to the direct line vet discovered. The lower forms contrast with man in the following characters: LOWER FORMS MAN Normal position of Horizontal Xertical backbone Position of eyes On side of head In front Direction of eyes Outward, forward and Forw ard and slightly upward downward Position of mouth Largely in front ofeyes Largely beneath eyes Direction of mouth Somew hat downward Horizontal Aluzzle Large Much reduced Nose Not lifted abovemuzzle Prominent, narrow^ Nostrils More or less separated Close together Upper lip Separated by nose Continuous beneath nose Intermediate stages in the shifting and development of the parts of theface are seen in the monke

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