DESCRIPTIONS OF THE PAPILLARY RIDGES 35 



(6) Palmar surface. 



Three interdigital eminences, thenar and hypothenar both 

 elongated. 

 P.R. in wide loops, sloping towards axis of palm, oblique on ulnar 

 eminence. 



m 



Fig. 2 1 . — Marmoset. Hapale jacch us. 

 Pes, right. Drawing from dead 

 specimen. 



Fig. 23. — Squirrel-Monkey. Chry- 

 sothrix sciurea. Pes, left. Draw- 

 ing from dead specimen. 



P.R. arched on distal portion of thenar eminence ; oblique else- 

 where on this and hypothenar eminence. 

 Rest of palmar smiace longitudinal. 

 Foot. (Fig. 21.) Long and slender ; digits all long except D. I, which is 

 of moderate length ; nails long and curved, 

 (a) Digits. 

 P.R. longitudinal in wide ellipses on terminal phalanges. 

 „ transverse on proximal phalanx of D. L 

 „ elsewhere longitudinal on all phalanges. 



