. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 204 QUADRUMANA. degree to anticipate its total absence in the to account for that sedateness of character Colobi. This defect necessarily impairs the and indisposition to violent activity for which function of prehension in the Semnopitheci, they are so remarkable, and, according to the views of Ogilby, helps Fig. 124:.. Carpus of the Orang-cetan. {W. Vrolik.~) a, scaphoid; b, semilunar; c, triquetrum; d, trapezium; e, trapezoides; /, os magnum; g, iinci- forrn ; h, intermediaire bone ; »', os sesamoideum for the tendon
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 204 QUADRUMANA. degree to anticipate its total absence in the to account for that sedateness of character Colobi. This defect necessarily impairs the and indisposition to violent activity for which function of prehension in the Semnopitheci, they are so remarkable, and, according to the views of Ogilby, helps Fig. 124:.. Carpus of the Orang-cetan. {W. Vrolik.~) a, scaphoid; b, semilunar; c, triquetrum; d, trapezium; e, trapezoides; /, os magnum; g, iinci- forrn ; h, intermediaire bone ; »', os sesamoideum for the tendon of the abductor longus pollicis. The femur of the Chimpanzee is slightly bent in the anterior direction, as in the human subject; the neck of the bone has the same comparative length, but stands out more ob- liquely to the shaft. The whole of the bone is flatter or more compressed from before backwards. The head of the femur is at- tached to the acetabulum by the ligamentum teres, which is most remarkable, because it is wanting in the Orang-cetan, and exists in the other monkeys. The tibia in the Chimpanzee is proportionally thicker at the upper end, and the fibula considerably stronger at the lower end than in man; the interosseous space is wider, and the anterior convexity of both bones may be perceived to be slightly increased. The patellce are proportionally smaller. The relative size and position of the tarsal bones more nearly correspond to the same in the human subject than is found in any other quadrumanous animals; but they deviate nevertheless as much as is necessary to produce that position of the foot which is adopted for climbing, viz. on the exterior edge of the foot, with the sole bent up, and inwards. The os calcis is relatively weak, as compared with that of man, being more com- pressed from one side to the other, and smaller in all its dimensions ; but it projects backwards more than in the Orang-cetan or in the lower Simla;. From the inclination of the tars
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