510 NEW York state museum 



and downward from eye; ventral fins dusky in the male; vertical 

 fins with dusky specks; a small inSlike speck at base of caudal 

 persistent in most specimens; a black spot on anterior rays of 

 spinous dorsal. 



Length 2^ to 3 inches. Great lakes region, from Lake Cham- 

 plain to Lake Huron; represented in New York waters by the 

 subspecies C. p u t n a m i . 



251 Cottogaster cheneyi Evermann & Kendall 



Cottogaster cheneyi Evermaisn & Kendall, Bull. U. S. F. C. 1897, 129, pi. 8, 

 fig. 8, 1898, Racket River near Norfolk, N. Y.; Jordan »& Evermann, 

 Bull. 47, U. S. Nat. Mus. Ill, 2S51. 1898. 



Head four; depth six; eye four in head; snout four; maxillary 

 three and one half; interorbital width five and one half. D. 

 XI-12; A. II, 8. Scales 7-56-6. Body rather stout, heavy for- 

 ward, compressed behind; head heavy; mouth moderate, slightly 

 oblique, lower jaw included, maxillary reaching front of pupil; 

 premaxillaries protractile; cheeks, opercles, breast, and nape 

 entirely naked; scales of body large and strongly ctenoid; lat- 

 eral line complete, straight; median line of belly naked ante- 

 riorly, with ordinary scales posteriorly; fins large; dorsals sep- 

 arated by a spaee equal to half diameter of eye, origin of 

 spinous dorsal a little nearer origin of soft dorsal than tip of 

 snout, its base about equal to length of head, longest dorsal 

 spine two and one half in head, the outline of the fin gently 

 and regularly rounded; soft dorsal higher than spinous portion, 

 the second to 10th rays about equal in length, scarcely twice 

 in head, the first, 11th, and 12th rays but slightly shorter than 

 the others; anal moderate, its origin under base of third dorsal 

 ray, the spines slender, the second a little longer than the first, 

 whose length is three and three fourths in head, longest anal 

 rays about two and one fifth in head; caudal lunate, the lobes 

 more produced and pointed than usual among darters; pectorals 

 long and pointed, the middle rays longest, about one and one 

 sixth in head, reaching tips of ventrals; ventrals well separated, 

 not nearly reaching vent, the longest rays one and one fourth 

 in head. Color in alcohol, back dark brownish, covered with 



