Vol. 5] Jordan. — The Fossil Fishes of California. 



127 



ring- with about forty vertebrae, which are very small, the ribs 

 slender and hair-like, the head large, apparently with rather long 

 jaws. It is impossible to place either species in any particular 



Fig. 21. Clupeoid fish (B). No. 33. 



genus. It may possibly prove to belong to the genus Knightia, 

 defined on a later page in this paper. 



34. Clupeoid fish. C. 



In the white marls from Shorb are eight specimens or a species 

 of herring-like fish, possibly the same as the one mentioned as A 

 in a paragraph above. The imprints are very shadowy, showing 

 little except the outline and the vertebral column, and the species 

 cannot be identified. In one there are about thirty-five vertebra?, 

 and the dorsal fin is opposite the ventrals. 



Family PTEEOTHRISSIDiE. 



35. Pterothrissoid fish ? 



The head of a fish, perhaps belonging to the family of Elo- 

 pidae or of Pterothrissidae was found in Brown's Canon, in the 



