30 



Family Sci^nid^ (The Croakers). 

 Aplodinotus grunniens Rafinesque. — Grunter; Sheepshead; White Perch. 



Ventral Hne almost straight; back much arched; color silvery; doroal fin long; the lateral 

 line extending: to the end of the caudal tin on the middle ray. An excellent food fish. 



Distributed as the two preceding species; also reported from the Saline River. 



Family Cottid^ (The Sculpins). 



Coitus ietalops (Rafinesque). — Miller's Thumb: Muffle-jaw: Spring-fish. 

 (406) 



A scaleless flsh with loose skin about the head; spinous and soft dorsal fins; a spine and 

 four rays in the ventral fia. 



Found occasionally in springs and in the clear water of creeks. Taken most abundantly 

 in southern Illinois in early collections. 



Cottus ricei Nelson, 



Described in 1876 from two specimens which were taken from deep water of Lake Michi- 

 gan off Evanston. Four ventral rays. 



Uranidea kumlienii Hoy. 

 Prom deep waters of Lake Michigan. Three ventral rays. 



Uranidea hoyi Putnam. (411) 

 From deep waters of Lake Michigan. Three ventral rays. 



Family Gadid^ (The Cods). 

 Lota maculosa (Le Sueur). — Burbot; Ling; Lake Lawyer. 



Readily known by its elongate body, short first and long second dors.Hl. long anal, and 

 single barbel on chin. The fresh-water representative of the cod family. 



Not uncommon in the large lakes of North America. Occasionally found in the streams 

 of the Mississippi valley. 



