. The sense of touch in mammals and birds : with special reference to the papillary ridges . ♦, ♦V>i Fig. 135.—Chacma Baboon. Papio porrarius. x 15. Manus. Palmarsurface, central interdigital pad ; longitudinal section through whorl ;imbrication on each side of whorl directed to the apex. DESCRIPTION OF SPECIES EXAMINED 117. Fig. 133.—Squirrel Monkey. Chry- Fig. 136.—Chacma Papio sothrix sciurea. x 15. Manus, porcariiis. x 15. Pes. Plantar D. 2. tirminal phalanx (tip), surface, fibular border, longitu- longitudinal section. dinal section ; distal imbrication. Midas ursulus (Fig


. The sense of touch in mammals and birds : with special reference to the papillary ridges . ♦, ♦V>i Fig. 135.—Chacma Baboon. Papio porrarius. x 15. Manus. Palmarsurface, central interdigital pad ; longitudinal section through whorl ;imbrication on each side of whorl directed to the apex. DESCRIPTION OF SPECIES EXAMINED 117. Fig. 133.—Squirrel Monkey. Chry- Fig. 136.—Chacma Papio sothrix sciurea. x 15. Manus, porcariiis. x 15. Pes. Plantar D. 2. tirminal phalanx (tip), surface, fibular border, longitu- longitudinal section. dinal section ; distal imbrication. Midas ursulus (Fig. 130).—A transverse section of a terminalphalanx of the hind foot showing irregular papillary ridges,long Driisenleisten and long and pointed papillae of the corium.(Fig. 13i).—Longitudinal section through palmar pad at thebase of a digit of the forefoot. Very marked and relativelylarge Driisenleisten, low papillary ridges, and blunt, low papillaeof the corium. Hapale jacchus (Fig. 132).—Longitudinal section from a padon the palmar surface of the forefoot. Papillary ridges low, Driisen-leisten large and papillae of the corium not liighly developed. Chrysothrix sciurea (Fig. 133).—Longitudinal section fromthe terminal phalanx of a digit of the forefoot, with low papillaryridges and highly developed Driisenleiste


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