. The sense of touch in mammals and birds : with special reference to the papillary ridges . la-^. X ^ Fig. 168.—Partkidge. Perdix cinerea. x 25. Pes, D. 3. Terminal phalanx,imbrication of scales distal, longitudinal Fig. 169.—Grouse. Lagopiis. x 25. Pes, D. section. Terminal phalanx. Tinnunculus alaudarius (Fig. 172).—Longitudinal sectionfrom proximal phalanx of a digit. Scales rough and irregular,papillae of the corium large and wide, and extending near tothe free surface of the epidermis. Corvus corax (Fig. 173).—Longitudinal section from pad atthe bases of the digi
. The sense of touch in mammals and birds : with special reference to the papillary ridges . la-^. X ^ Fig. 168.—Partkidge. Perdix cinerea. x 25. Pes, D. 3. Terminal phalanx,imbrication of scales distal, longitudinal Fig. 169.—Grouse. Lagopiis. x 25. Pes, D. section. Terminal phalanx. Tinnunculus alaudarius (Fig. 172).—Longitudinal sectionfrom proximal phalanx of a digit. Scales rough and irregular,papillae of the corium large and wide, and extending near tothe free surface of the epidermis. Corvus corax (Fig. 173).—Longitudinal section from pad atthe bases of the digits. Scales thickened and projectingand showing a distal imbrication. Papillae of the coriumvery long and pointed, and extending near to the free surfaceof the epidermis. 132 THE SENSE OF TOUCH IN ANIMALS
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