294 FISHES. 



of head; snout very much produced; scales very small; 

 D. 1, 12; A. 9; lat. 1. 105. L. Superior to Arctic regions. 



2. HYPENTELIUM, Rafinesque. BIG STONE LUGGERS. 



= Hylomyzon, Ag. 



1. H. nigricans, (LeS.) Jordan. STONE ROLLER. MUD 

 SUCKER. Depth 4f in length; head 4; depth of head f 

 its length; eyes small, very high up and far back; lower 

 fins very large; pectoral nearly as long as head; brown 

 ish; often beautifully marbled; D. 12; A. 8; lat. 1. 52. 

 Lakes and streams from N. Y., S. and W., abundant; 

 one of our most singular fishes. It frequents clear 

 streams and rapids, and it is not at all a &quot; mud fish.&quot; as 

 some writers seem to suppose. 



3. ERIMYZON, Jordan. CHUB SUCKERS. 



= Moxostoma, Agassiz (not of Raf.) 

 * No stripes along the rows of scales. 



1. E. oblong us, (Mit.) Jordan. CREEK FISH. CHUB 

 SUCKER. Head 4 to 4|- in length; depth 2f, in adult; 

 eye 5 in head; scales crowded, deeper than long; dusky 

 above, brassy on sides and below; very variable; young 

 much less compressed, with black bands or bars, and 

 pale lateral and vertebral streaks; spring males with six 

 tubercles on head; D. 12; A. 8; lat. 1. 40. New England 

 S. and W., abundant in Great Lakes. 



** Each scale with a large, square black spot at its base, these 

 forming conspicuous stripes along the sides. 



2. E. melanops, (Raf.) Jordan. STRIPED SUCKER. 

 Head 4f in length; depth about 4; scales very large; 

 blackish above; sides coppery, with black stripes; D. I, 

 13; A. I, 8; lat. 1. 47; size large. Great Lakes and 



