. The sense of touch in mammals and birds : with special reference to the papillary ridges . ^ Fig. 161.—Man. x 25. Manus, D. 4. Terminal phalanx ; imbricationdistal, longitudinal section. 128 THE SENSE OF TOUCH IN AMIMALS. \ I Young adult.) x 25 Manus, D. 5. TerminalIjhalanx, radial side ; imbrication distal. of papillary ridges in a distal direction, and of the papillae ofthe corium. Stratum ccrneum of the epidermis a little macerated. Fig. 165.—Longitudinal section from the plantar surface ofthe heel on the fibular side, epidermis thickened, papillaryridges imbricated in a proximal dire
. The sense of touch in mammals and birds : with special reference to the papillary ridges . ^ Fig. 161.—Man. x 25. Manus, D. 4. Terminal phalanx ; imbricationdistal, longitudinal section. 128 THE SENSE OF TOUCH IN AMIMALS. \ I Young adult.) x 25 Manus, D. 5. TerminalIjhalanx, radial side ; imbrication distal. of papillary ridges in a distal direction, and of the papillae ofthe corium. Stratum ccrneum of the epidermis a little macerated. Fig. 165.—Longitudinal section from the plantar surface ofthe heel on the fibular side, epidermis thickened, papillaryridges imbricated in a proximal direction, and papillae of thecorium taking the same course. BIRDS. Apteryx manteUi (Fig. 166).—Longitudinal sectionfrom the terminal phalanx of a digit of the foot. Scales shownto take a distal slanting direction, and papillae of the coriumsimilarly slanted, these being wide, and each divided intonumerous secondary papillae. Rhea Aynericana (Fig. 167).—Longitudinal section from plantareminence of foot. Scales rough and thick. Papillae of thecorium very highly developed, and extending close up to thefree surface of the epidermis. Perdix ainerea (Fig. 168).—Longitudinal section from terminalphalanx of D. 3. Scales im
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