. Chordate anatomy. Chordata; Anatomy, Comparative. THE ANIMAL KINGDOM 21 hind-foot. Thumb and great toe are not completely opposable to the other digits. The uterus is two-horned. Sub-order Anthropoidea. Anthropoids include the remainder of the primates. Hands and feet are differentiated, and either the thumb or the great toe is opposable. Finger and toe-nails are flat, except in the marmo- sets which have VOUNG CHIMPANZEE. _ Pig. 24.—Young chimpanzee, a type of anthropoid. (From photograph by Fred Johnson.) Three chief sections of anthropoids are recognized: Platyrhina. The South Ame
. Chordate anatomy. Chordata; Anatomy, Comparative. THE ANIMAL KINGDOM 21 hind-foot. Thumb and great toe are not completely opposable to the other digits. The uterus is two-horned. Sub-order Anthropoidea. Anthropoids include the remainder of the primates. Hands and feet are differentiated, and either the thumb or the great toe is opposable. Finger and toe-nails are flat, except in the marmo- sets which have VOUNG CHIMPANZEE. _ Pig. 24.—Young chimpanzee, a type of anthropoid. (From photograph by Fred Johnson.) Three chief sections of anthropoids are recognized: Platyrhina. The South American monkeys, with broad nasal septum, three premolar teeth in each half-iaw (except the marmosets which, like the Old World monkeys, have two), and a cUmbing foot. Catarrhina. The Old World monkeys and the great apes, with a narrow nasal septum, two premolar teeth in each half jaw, and a climbing foot. Bimana. Also with narrow nasal septum and two premolars, but with the great toe non-opposable and a walking 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 Neal, Herbert V. (Herbert Vincent), 1869-1940; Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : P. Blakiston's Son & Co.
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