. The sense of touch in mammals and birds : with special reference to the papillary ridges . Fig. 48.—Chimpanzee. Anthropopithemis impressions. Manus, left. Drawing on surface between these two eminences, small group of archesopen in distal direction.„ on eminence at base of D. 1 and its cleft, obUque;eminence on fibular border, transverse and oblique. Chimpanzee {Anthropopithecus troglodytes).Hand. (Fig. 48.) Well proportioned ; D. 1 small, D. 2, 3, 4,moderately thick ; pulps large, nails short. long and DESCRIPTIONS OF THE PAPILLARY RIDGES 61 (a) Digits. terminal p
. The sense of touch in mammals and birds : with special reference to the papillary ridges . Fig. 48.—Chimpanzee. Anthropopithemis impressions. Manus, left. Drawing on surface between these two eminences, small group of archesopen in distal direction.„ on eminence at base of D. 1 and its cleft, obUque;eminence on fibular border, transverse and oblique. Chimpanzee {Anthropopithecus troglodytes).Hand. (Fig. 48.) Well proportioned ; D. 1 small, D. 2, 3, 4,moderately thick ; pulps large, nails short. long and DESCRIPTIONS OF THE PAPILLARY RIDGES 61 (a) Digits. terminal phalanges : D. 1, 2, 3, longitudinal, wide ellipses ;D. 4, 5, loops open to ulnar side,middle phalanges : D. 2, low arches open in proxima direc-tion ; D. 3, nearly transverse ; D. 4, 5, rounded arch openin proximal Fig. 49.—Chimpanzee. Anthropopithecus troglodytes. Pes, left. Drawingfrom impressions. proximal phalanges : D. 1, transverse ; D. 2, loops open toradial side ; D. 3, transverse and loops open to radial side,and low arches open in proximal direction ; D. 4 and 5,wide arches open in proximal direction.(b) Palmar surface. One interdigital eminence opposite cleft of D. 4 eminence moderately eminence slightly developed. 62 THE SENSE OF TOUCH IN ANIMALS on interdigital eminence, oblique to ulnar side ; loops open indistal direction on radial side of eminence.„ at base of D. 2, oblique and forming an angle with of cleft of D. 1.„ opposite D. 3 and 4, longitudinal.„ thenar eminence, wide ellipses placed obliquely.„ hypothenar eminence, longitudinal loops open in distal of palmar surface longitudinal and (Fig. 49.) Ill proportioned ; very large D. 1 with thick, fleshy pulp ;pulps on D. 2, 3, 4, 5 wide ; n
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