58 



THE SENSE OF TOUCH IN ANIMALS 



(a) Digits. 



P.R. terminal phalanges : D. 1, loops open to radial side ; D. 2, 

 wide ellipses, longitudinal ; D. 3, 4, 5, loops open to ulnar 

 side. 

 „ middle phalanges : D. 2, transverse ; D. 3, low arches open 

 in proximal direction ; D. 4, transverse ;_D. 5, oblique. 



•ijJuAul!^^-''' 



Fig. 46. — Gorilla. Gorilla savagei. Manus, right. Drawing from impressions 

 taken by Mr. R. I. Pocock. 



P.R. proximal phalanges : D. 1, transverse ; D. 2, wide loops open 

 to radial side ; D. 3, very low arches open in distal direc- 

 tion ; D. 4, 5, loops open on ulnar side. 

 (&) Palmar surface. 



Three slightly developed interdigital eminences ; thenar and 

 hypothenar eminences not well marked. 

 P.R. on interdigital eminences, wide loops open as follows : radial 

 and central in proximal direction, ulnar to radial side. 



