270 Field Museum of Natural History — Zoology, Vol. VII. 



Length 2% inches. 



This fish inhabits sluggish water where there is considerable vege- 

 tation, having about the same range as the preceding. 



Dead River, Beach, Illinois; Salt Creek, Lyons, Illinois; Hickory- 

 Creek, Marley, Illinois; Hickory Creek, New Lenox, Illinois; Wolf 

 Lake, Roby, Indiana. 



Notropis blennius (Girard). Straw-colored Minnow. 



Head 3.8 to 4.2; depth 4.2 to 4.8; D. 8; A. 7; scales 32 to 36. 



Body elongate, robust; head small, conic; snout blunt; mouth 

 small, slightly oblique, the tip of the upper lip on level of lower mar- 

 gin of pupil to lower margin of eye; maxillary ^.^ to 3.7 in head; 

 snout i.T^ to 3.8; diameter of eye 3.0 to 3.4; teeth 4-4, hooked and 

 with grinding surface ; alimentary canal about equal to length of body ; 

 peritoneum white or slightly dusky; lateral line complete; origin of 



Fig. 35. Straw-colored Minnow. 



Notropis blennius (Girard). (From Forties and Richardson.) 



dorsal over or slightly in advance of ventrals, about equidistant be- 

 tween tip of snout and base of caudal; scales before dorsal 12 to 14. 



Color light olive, paler below; a faint lateral band; caudal spot 

 present or indistinct; lateral band not conspicuous on head. 



Length 2% inches. 



This small minnow inhabits clear water, ranging from Wyoming 

 to New York and Texas 



Dead River, Beach, Illinois; Des Plaines River, Berwyn, Illinois; 

 Des Plaines River, Libertyville, Illinois; Hickory Creek, Alpine, 

 Illinois; Hickory Creek, Marley, Illinois; Hickory Creek, New Lenox, 

 Illinois; Wolf Lake, Roby, Indiana; Lake Michigan, Pine, Indiana; 

 Lake Michigan, Edgemoor, Indiana. 



Notropis jejunus (Forbes). Silvery Minnow. 



Head 3,8 to 4.5; depth 3.8 to 5; D. yorS; A. 7; scales 34 to 37. 

 Body elongate, compressed; head somewhat depressed; snout 



