68 TELEOSTEI: EVENTOGNATIII. — XII. 



aa. Lateral line incomplete. (Pkoxinus.) 



g. Scales very small, 75 to 1)0 in the lateral line. 

 l.)5. P. neogaeus Cope. 15ody robust, little conopressed ; lioid 

 very lar;;e, broad, with blunt snout; mouth moderate, ol)li(pie ; 

 the chin projectin;j;, the maxillary beyond front of orbit. Kye 3^ 

 in head ; dorsal well l)eliind ventrals. Hlaekish, sides jjlumbeous 

 with a dusky lateral band ; lower parts crimson in sprin;^ males. 

 Head :{f; depth 4^. A. 8. Scales 18-80-1 1. L. 3. Miss. Valley, 

 rare; the few specimens known, from Mich., Wis., and .Vrk. (w'or, 

 new ; yta, world ; this being a near relative of the •' Minnow " of 

 Europe, P. phoxinus L.). 



gg. Scales moderate, 40 to 45 in the lateral line. 



h. Body not very siender, the depth ahout 4 in length. 



156. P. flammeus Jordan & (JilVnTt. Head rather short, the 

 snout bluntish ; mouth small, obli(iue ; the jaws equal, the maxil- 

 lary to front of eye; lateral line with pores on 14 scales ; color of 

 jireceding ; the males largely scarlet ; dark spot at base of C. 

 Head 4. A. 8. Scales 7-43-5. L. 2^. Tenn. R. (Lat., flaming.) 



hh. Body slender, the depth 5i in length. 



157. P. milnerianu3 Cope. Mouth larger, the maxillary about 

 to pupil. Color of preceding; a dark spot at base of C. Head 4 ; 

 eye 3;^ in head. A. 8. L. 2^. Upper Missouri K. (To .lames 

 W. Milner, of the U. S. Fish Coram.) 



65. OPSOPCEODUS Hay. (o^/^oTroiew, to feed daintily; ohovs, 



tooth.) 



158. O. emiliae Hay. Body elongate, compressed ; head short, 

 the snout blunt and rounded ; mouth very small, terminal, ob- 

 li(pie, smaller than in any of our Cyprinidw : jaws ecpial ; eye 

 very large, 3 in head; 1). behind V.; T. very small ; breast naked; 

 16 scales before 1).; lateral line usually incomplete. Yellowish, 

 sides .silvery; a dark lateral stripe ; D. with a l)lack blotch on its 

 last rays. Head 4f; depth 4|. D. 9. A. 8. Scales 5^(i-3. L. 

 2^. S. Ind. to Ark. and .Miss. ; not common. (Tri/cherodon mega- 

 lops Forbes.) (To Mrs. Emily Hay.) 



6€ . NO « F±! M TijUiMUS T>iiriiius<| iie. Cn^^^c^-v.,. 

 (vcoTOf, back ; f}/it, half ; yi)vos, angle.) 



150. N. cVysoleuciiB (Mitchill). Got-OEX Shinku. Bream. 

 Body more or less elongate, much compn'sscd : liead short, low, 

 compressed; mouth small, obli(pie, the maxillary not to eye; eye 

 mo<ierate, or large, 3 to 4 in head ; lateral line muih decurved. 

 Greenish above, sides silvery with golden rellcctions ; fins yel- 

 lowish. Sexes similar. Head 4J; depth about 3. D. 8. A. IS 



