118 



THE SENSE OF TOUCH IN ANIMALS 



Fig. 137. — Yellow Baboon. Papio hnhonini. x 15. Manns, 

 surface, middle iuterdigital pad, transverse section. 



Palmar 



Fig. 138. — Mandrill. Papio mormon, x 25. Manus. Palmar surface, 

 ulnar border, longitudinal section ; imbrication distal. 



Fig. 139. — Mandrill. Papio mormon, x 25. Pes. Plantar surface, fibular 

 border, in front of heel ; slight imbrication of papillary ridges and of 

 papillae of corium ; longitudinal section. 



