XVI. J 



IXSECriVORA. 



263 



proximal row of the carpus. The pisiform is small. The 

 first digit is nearly as long as the second ; the remainder 

 gradually diminish in length to the fifth. The ungual pha- 

 langes in the ordinary Seals are slender, pointed, slightly 

 curved, and not much compressed. In the Otariidce they are 

 prolonged beyond the part which bears the very small claw, 

 and flattened and truncated at the ends, being continued 

 onwards in the living animal as cartilaginous rays, which 

 support lobed expansions of the skin. 



Fig go. — Bones of fore-arm and manus of Mole {Tnlpa eurojxpa), X 2. K radius; 

 U ulna ; j scaphoid ; I lunar; c cuneiform ; p pisiform ; it unciform ; 7;/ magnum ; 

 id trapezoid ; tttt trapezium ; ce central ; rs radial sesamoid (falciform) ; 1 — v the 

 digits. 



Among the Insectivora, the scaphoid and lunar coalesce 

 in Galeopit/ieciis, Tupaia^ Cenfetcs, Sok/iodo?i, Erinaceus, and 

 GyniJiJtra, but in most of the other forms these bones are 



