• (51) 



Suborder ANACANTHIlSri. 



Family GADID^ (the Cod-fishes.) 

 Genus L0r^4, Cuvier. 



59. Lota lacustris (Walbaum) Gill. LiNG, Burbot, Lawyer, Eel- 

 pout, CusK. (M. V. 257, Nelson 42.) 



Very abundant in Lake Michigan; stray specimens rarely taken 

 in Illinois River, and in the Ohio and Mississippi. These proba- 

 bly have escaped through the canals. 



Suborder HEMIBRAlSrCHII. 



Family G-ASTEROSTEID^, (the Sticklebacks.) 

 Genus EUCALIA, Jordan. 



60. Eucalia inconstans (Kirt.) Jordan. Black Stickleback. (M. V. 

 259, Nelson 42.) 



Abundant in small streams in the northern part of the state 

 only. Rock R , Pecatonica R., tributaries of Lake Michigan; 

 Crystal L., McHenry Co. 



Genus PYGOSTEUS, Brevoort. 



6L Pygosteus occidentalis (C. & V.) var. nehulosus ( Ag. ) Jor. Many 

 Spined Stickleback. (M. V. 260, Nelson 42.) 



Lake Michigan — rather abundant in deep water. 



Suborder PERCESOCES. 



Family ATHERINID^ (the Silversides.) 

 Genus LABIDESTHES, Cope. 



62. Labidesthes sicculus Cope. Silversides. (M. V. 261, Nelson 42.) 



Generally abundant through the state, especially in ponds and 

 bayous. Crystal L., McHenry Co ; Creeks, Peoria Co.; Rock R., 

 Ogle Co.; 111. R., Pekin ; Mackinaw Cr., McLean Co. 



Suborder HAPLOMI. 



Family CYPRINODONTID^, (the Toothed Minnows.) 

 Genus FUNDULUS, Lacepede. 



63. Funduhis diaphanus (L S.) Ag. Barred Killifish. (M. V. 263, 

 Nelson 42.) 



Very abundant in lakes and clear or sandy streams in the 

 northern part of the state. In Lake Michigan it abounds about 

 the sandy mouths of tributaries, keeping in schools in the shallow 

 water near the edge. Calumet R. 



