316 



OLOr.IOCEPnALIB.'E. 



able variety of appearance. The Leading Whale is of a very dark 

 colour ; but a whole herd is sometimes seen of a cream-colour, and 

 single specimens of a liglit tint are not imfrequent. These cannot be 

 the D. Beluga or AVhitc Whale, as the latter is without the dorsal 

 fin." — Couch, Corn. Fauna, 10. 



Fig. 62. 



Upper surface of the skull of (ll'ihiocrphdha^ Sriiioval. B. M. 



