[95] FISHERIES OF THE UNITED STATES. 481 



Genus ZOPHENDUM Jordan. 



108. Zbphendum sideriuni (Cope) Jordan. 



Hyborhynchus siderius Cope, Zool. Wheeler's Expl. W. 100th Mer., v, 

 p. 670, 1876. 



Arizona. 



16984. Camp Lowell, Arizona, September, 1874. J. M. Rutter. 



Genus HYBOGNATHUS Agassiz. 



109. Hybog'natlms regius Girard. Smelt; Smelt Minnow. 



.New Jersey to Maryland and Virginia. 



This species is abundant in the Potomac River, and is 



sometimes sold in early spring as ''smelt," to which 



it bears almost no resemblance except in size and 



color. The spawning season begins in March or April. 



7670. Eastern United States. 



1 10. Hyoognathus nuchalis Agassiz. Silvery Minnow. 



¥ew Jersey, Ohio and Mississippi Valleys and south- 

 westward to New Mexico. 



Perhaps identical with the last, as stated by Jordan & 

 Gilbert. 



10783. Trenton, New Jersey. C. C. Abbott. 



Genus PIMEPHALES Eaflnesque. 



111. Piniepliale§ promelas Eaf. Fat-head ; Black-head 



Minnow. 

 Ohio Valley westward to the Upper Missouri. 



7517.. Lake Beaver, Petersburg. Prof. S. F. Baird. 



Genus HYBORHYNCHUS Agassiz. 



US, Hyborhynchus notatius (Eaf.) Agassiz. Blunt -nosed 



Minnow. 



Prom New York westward to Wisconsin, thence south- 

 ward to Arkansas ; its distribution in the Eastern 

 States imperfectly known. 



8682. Yellow Creek, Ohio. Prof. S. F. Baird. 



Genus EXOGLOSSUM Eaflnesque, 



113. Exoglossum maxillingua (Le Sueur) Haldeman. Cut- 

 lips; Stone-toter; Chub; Nigger Chub; But- 

 ter Chub. 

 Western New York ; the Susquehanna Basin in Penn- 

 sylvania (Cope) ; southward to Virginia. 



20404. North Branch of Susquehanna River, Pennsylvania, June 3, 1875, 

 Dr. L. II. Taylor, 



2444— Bull. 27 — ^31 



