96 THE SENSE OF TOUCH IN ANIMALS 



Felis domestica (Fig. 91). — Longitudinal section from hind foot 

 through central pad, magnified twenty-five times. Fig. 92, from 

 central pad on forefoot magnified sixty times. Both sections 

 show a corrugated surface of the epidermis and long pointed 

 papillae of the corium. 



Arctigolidia trivergata (Fig. 93.) — Fore-foot, terminal phalanx 

 of a digit, with bare epidermis, very marked Driisenleisten and 

 short but pointed papillse of the corium. 



Fig. 83. — Common Porcupine. Hysfn'v cristatus. x 50. Pes. Plantar 

 pad, fibular side, skin bare, no scales, section longitudinal. 



Fig. 94. — Hind foot, longitudinal section through plantar 

 surface. Epidermis shows rough nodules on its free surface and 

 the papillae of the corium are irregular but somewhat pointed. 



Viverra civetta (Fig. 95). — Hind foot, section through inter- 

 digital pad. Epidermis simple and smooth. Papillae of the 

 corium at wide intervals and pointed. 



Herpestes griseus (Figs. 96, 97). — Simple epidermis and 

 irregular pointed papillae on hind foot. Corrugated epidermis and 

 irregular papillae little pointed on forefoot. 



