508 FISHEEIES OF THE UNITED STATES. [122] 



LEPIDOSTEID^E. 



152. Iiepido$feii§ ©ssens Linne. Gar-pike. 



Cast. 



POLYODONTIXLE. 



153. Polyodoia spathula (Walb.) Jor. & Gilb. Paddle-fish. 



Cast. 

 Photograph. 



ACIPENSERID^. 



154. Acipenser oxyrhynchus Mitch. Sharp-nosed Stur- 



geon. 



Photograph. 



155. Acipen§ei" brevirostris LeS. Short-nosed Sturgeon. 



Photograph. 



I5@. Acipenser rubiciindus LeS. Lake Sturgeon. 



Photograph. 



157. Scaphirhynchops platyrhynclras (Raf.) Gill. Shov- 



el-nose Sturgeon. 



Photograph. 



MYLIOBATIMS. 



158. Myliobatis freineiavillei LeS. Eagle Ray. 



Photograph. 



159. Myilobatis caliibrnicus Gill. California Sting Ray. 



Photograph. 



16®. Rhinoptera quadriloba (LeS.) Ouv. Cow-nosed Ray; 

 Clam- cracker. 



Cast. 

 Photograph. 



TRYGONID.E. 

 161. Pleroplatea inaclura Miill. & Henle. Butterfly Ray. 



Photograph. 



1©S. Trygon centrura (Mitch.) Gill. Sting Ray. 



Cast. 

 Photograph. 



TORPEDINID^. 

 163. Torpedo occideiftialis Storer. Torpedo; Cramp-fish. 



Photograph. 



