162 NEW YORK STATE MUSEUM 



2. Brown above; sides somewhat silvery, abruptl}^ separated 

 from tlie dusky upper parts; snout and top of head back as far 

 as hind border of eye, dusky; fins plain. Length 7 inches. 

 Streams and lakes from Lake Superior east to the Adirondack 

 region and Canada; more common northward. Here described 

 from specimens from Beaver river, Herkimer co. N. Y., and Lake 

 Lomond, near St John N. B. 



Mather had specimens from Morse lake, in the Adirondacks, 

 and it is reported also from Seventh lake, Fulton Chain. The 

 species is known from Lake Superior east to the Adirondacks 

 and 'New Brunswick. Agassiz had it from Lake Huron as well 

 as Lake Superior. 



Genus ExoGiiOssuM Rafinesque 



Body rather short and stout, subterete; lower jaw three- 

 lobed, the dentary bones being close together and completely 

 united, not forming a wide arch as in the minnows generally; 

 upper jaw not protractile; pharyngeal bones small, the teeth 

 hooked, and without grinding surface, 1, 4-4, 1. Scales moder- 

 ate; lateral line complete. Dorsal origin is nearly over the be- 

 ginning of the ventral; anal fin short; isthmus broad; gill rakers 

 weak; pseudobranchiae present; air bladder normal; alimentary 

 canal short; peritoneum white. Size large. No marked sexual 

 peculiarities; the males with some black pigment in spring. 



98 Exoglossum maxillingua (Le Sueur) 

 Cut-lips; Nigger Chub 



Cyprinus maxillingua Le Sueue, Jour. Ac. Nat. Sci. Phila. I, 85, 1817, Pipe 



Creek, Maryland. 

 Exoglossum anmdatum Uafinesque, Jour. Ac. Nat. Sci. Phila. I, 421, 1818, 



Hudson River. 

 Exoglossum nlgrescens Rafinesque, op. cit. I, 421, 1818. Lake Champlain. 

 Exoglossum vlttatum Rafinesque, op. cit. I, 421, 1818. Hudson River. 

 Exoglossum maxillingua Agassiz, Amer. Jour. Sci. Arts, XIX, 215, 1855; Cope, 



Cypr. Penna. 360, pi. XI, fig. 1, 1866; Gunthee, Cat. Fish. Brit. Mus. 



VII, 188, 1868; Joedan & Gilbeet, Bull. 16, U. S. Nat. Mus. 160, 1883; 



Bean, Fishes Penna. 36, pi. 22, fig. 36, 1893; Joedan & Eveemann, 



Bull. 47, U. S. Nat. Mus. 327, 1896, pi. LIV, fig. 140, head below. 



The cut-lips has a stout, short and thick body, its greatest 

 hight nearly equal to the length of the head, and one fourth of 



