. The sense of touch in mammals and birds : with special reference to the papillary ridges . rrel. Sciu-rus vulgaris. Manus, from dead speci- FiG. 9.—KrNKAJOU. Cercolcptcs caudivolvulus. Manus, left. Drawing from dead speci-men. (6) Plantar surface. Three interdigital eminences, oval in oval eminence at base of D. eminence on tibial and fibular oblique and longitudinal on all plantar eminences. KiNKAJOU {Cercoleptes caudivolvulus).Hand. (Fig. 9.) Short digits, with very strong pointed nails, webbedto second joint; palmar portion thick, with flesh


. The sense of touch in mammals and birds : with special reference to the papillary ridges . rrel. Sciu-rus vulgaris. Manus, from dead speci- FiG. 9.—KrNKAJOU. Cercolcptcs caudivolvulus. Manus, left. Drawing from dead speci-men. (6) Plantar surface. Three interdigital eminences, oval in oval eminence at base of D. eminence on tibial and fibular oblique and longitudinal on all plantar eminences. KiNKAJOU {Cercoleptes caudivolvulus).Hand. (Fig. 9.) Short digits, with very strong pointed nails, webbedto second joint; palmar portion thick, with fleshy pads,(a) Digits. terminal phalanges, a few well-marked ridges on tip of eachpulp surrounding it, so as to form rounded arches with con-cavity in proximal direction. These ridges here and on restof hand merge into a tesselated arrangement of the epidermis DESCRIPTIONS OF THE PAPILLARY RIDGES 25 middle and proximal phalanges occupied by this tesselatedgrouping of epidermic scales.(6) Palmar surface. Three interdigital divided into two


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