292 FISHES. 



:j:| Mouth larger, oblique; the jaws about equal. 

 h. Lateral line 35. 



11. H. fretensis, Cope. Body compressed and elong- 

 ate, as in the genus N^otrojns • lateral line decurved; 

 seventeen rows of scales in front of the dorsal; a broad 

 plumbeous shade on sides. Mich, to 111. 



hh. Lateral line 44. 



12. H. hoamaturus, Cope. Red -Tailed Minxow. 



Lateral line nearly straight; colors dull; sides not sil- 

 very; a dusky spot at base of caudal; caudal fin dull', 

 brick-red; anal short, I, 7. Tributaries of Lake Michigan. 

 ** Teeth 1, 4—4, 1 ; dorsal fin inserted just behind ventrals; fins 

 and lower parts with milk-white pigment in spring, never 

 red; dorsal with a large black spot on the last rays, about 

 half-way up (an important feature). {Plwtogeiiis^ Cope.) 



13. H. ga/acfurus, (Cope) Jor. Milky-Tailed Shixeu. 



Bluish above, sides bright silvery, with bright reflections; 

 base of caudal fin largely yellowish, or cream -color; 

 teeth rarely serrate; head 4^ in length; dej)th 4f ; mouth 

 large, nearly horizontal; body slender, more elongated 

 and less compressed than in the next; scales smooth and 

 firm, usually with dusky edges; D. I, 8; A. I, 8; lat. 1. 

 40; L. 5. Cumberland River and S., abundant. Re- 

 sembles the next, but larger, and with a larger mouth. 



14. M.ana/osfanus, (Guard) J or. Silver Fix. Leaden 

 silvery; fins satin white in the breeding season; dorsal 

 with a conspicuous black spot, as in the preceding; head 

 4 in length, rather short and deep; mouth rather small, 

 very oblique, yet the lower jaw received within the u])per 

 in the closed mouth; body much compressed; depth 3f 

 in length; D. I, 8; A. I, 8; lat. 1. 35 to 40; L. 3^. Teeth 

 usually more or less serrate. Cayuga L., N. Y. (S. IT. 

 Gage), to N. J., Va., and Ind., abundant. In full breed- 

 ing dress one of the most exquisite of all our fishes. 

 X. kentucJcieiisis, Kirt., not of Raf. 



