Fishes of Cayuga Lake Basin. 305 



Color olivaceous, lighter below. A black band on sides passing 

 around snout, about § as wide as eye, the black on the snout on both 

 jaws. 



Quite common in the canal near Montezuma. It is the 

 smallest of all the Caynga fishes. 



This species differs from Notropis heUrodon, which it most 

 resembles, in the small and very oblique mouth, and in tlie 

 dentition. 



19. NOTROPIS HiPTERODONt Cope. 



Hemitremia heterodon. A., 303. B., 163. C, 22. 



Length of longest specimens, about 5 cm. 



Head 4 in the length of the body ; depth 4^ to 4^. Dorsal rays 8 ; 

 anal rays 8. Scales in the lateral line, 34 to 36. 



Body elongate, with the dorsal region prominent. Snout pointed ; 

 mouth rather large, terminal; the jaws 'subequal in length ; gape of 

 mouth forming a small angle (less than 35°) with the axis of the body. 



Maxillary reaching to vertical from the cephalic margin of the orbit ; 

 its length 4 in the length of the head. 



First dorsal ray slightly nearer the tip of the snout than the base of 

 the caudal fin. Pectoral fins reaching | distance to ventrals ; ventrals 

 reaching the vent. 



Scales between the nape and the dorsal fin not crowded, 12 to 13 in a 

 series. 



Teeth 1-4-4-1; grinding surface little developed, usually crenate on 

 the edges. 



Straw-colored, with darker punctulations on the edges of the scales 

 on upper part of the body ; nearly plain below. A dark plumbeous 

 marking on the sides and around the snout, about f as broad as the 

 diameter of the eye. The black on snout on both jaws. 



Quite common in all the sluggish water on the flats near 

 Ithaca. Not found at the north end of the Lake ; it seems to be 

 replaced there by the former species, from which it is quite dif- 

 ferent. 



All the specimens examined by me had teeth 1-4-4-1. Prof. 

 Gilbert has studied specimens of this species from New York, 

 Indiana, Illinois and Missouri. He finds the teeth 1-4-4-1 

 or 2-4-4-2, and is of the opinion that examples will be found 

 in whicli the teeth are 1-4-4-2. 



20. NOTROPIS CAYUGA t sp. iiov. 



Length of the longest specimens, 6 cm. 



Head 4^ to 4^ in the length of the body ; depth 4 to 4^. Dorsal rays 8; 

 anal 7. 



