THE SENSE OF TOUCH IN ANIMALS 



P.R. Fig. 16 shows tip of D. 3 with nail and pulp, over which P.R. 



radiate from a bare centre. 

 ., D. 2 ; well-marked, small whorl on tip of terminal phalanx. 

 „ middle and proximal phalanges of D. 3, 4, 5 ; show central 



longitudinal line from which lines of P.R. slope to lateral 



borders. 

 „ D. 1, proximal phalanx longitudinal. 

 „ D. 2, indefinite. 



Fig. 20. — Marmoset. Hapale jacchus- 

 Manus, right. Drawing from dead 

 specimen. 



Fig. 22. — Sqtjirrel-Monkby. Chry- 

 sothrix sciiirea. Manus, left. 

 Drawing from dead specimen. 



(6) Plantar surface. 



Two interdigital eminences — one on fibular and one on tibial 



side ; space between occupied by longitudinal P.R. 

 One fibular eminence 



One very fleshy, wide eminence at base of D. I. 

 P.R. ellipses on interdigital eminences. 

 „ whorl on eminence at base of D. 1. 

 „ „ on fibular border. 



Marmoset {Hapale jacchus). 

 Hand. (Fig. 20.) Digits claw-like, with long curved nails, 

 (a) Digits. 



P.R. terminal phalanges, longitudinal, in broad ellipses. 

 „ on proximal phalanges of D. 1 and D. 5, longitudinal. 



