372 GEOLOGICAL SURVEY OF THE TEEEITOEIES. 



submitted to the writer for examination, that has proved to be the 

 forerunner of our knowledge of the Tertiary fauna of Wyoming, as 

 developed in these pages. 



Olupea. 



Two species of the genus, to which belong our Shad and Herring, 

 have been detected in the Green Eiver shales. ' 



Glupea humilis. 



* 



A small species, the one above referred to as being the first fossil 

 discovered in the Tertiary formation of Wyoming. It is very abundant 

 in the Green Eiver shales, and measures 3^ inches in length. 



Clwpea pusilla. 



A species about half the size of tiie preceding, described by Pro£ 

 Cope. 



Osteoglossum:. 

 Osteoglossum encaustum. 

 Three to four feet in length. Described by Prof. Cope, 



AsiNEOPS, Cojpe. 

 Asineops squamifrons. Asineops viridensis. ' 

 Two species of a peculiar genus, described by Prof. Cope. 



Ekismatoptekus, Gox^e. 



« 



Erismatopterus BicJcseckeri. 



A cyprinodont fish, 3 to 4 inches in length, of a peculiar genus, 

 described by Prof. Cope. 



Lepidosteus. 



Lepidosteus glaber. Lepidosteus WhitneyL 



Two species of bony-gars, indicated by Prof. Marsh, 



Amla. 



Amia N'eiO'berrianus. Amia depressus. 



Two species of mud-fish, indicated by Prof. Marsh. 



