340 eANOlD S'lSHES. 



uniform height; anal short and rather high; air blad( 

 large, cellular, lung -like, communicating by a gloi 

 with the oesophagus; stomach large. 



A single species is found in the larger bodies of fri 

 water in the U. S. from N. Y. to the plains. It 

 exceedingly tenacious of life, even more so than 1 

 species of Amiurus. The flesh is soft and pasty, a 



