OS TELEOSTEI: EVENTOGNATHI. — XII. 



aa. Lateral line incomplete. (Phoxinus.) 



g. Scales very small, 75 to 90 in the lateral line. 



1 55. P. neogaeus Cope. Body robust, little compressed ; head 

 very large, broad, with blunt snout; mouth moderate, oblique; 

 the cbin projecting, the maxillary beyond front of orbit. Eye 3^ 

 in head ; dorsal well behind ventrals. Blackish, sides plumbeous 

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

 Head 3| ; depth 4$, A. 8. Scales 18-80-11. L. 3. Miss. Valley, 

 rare : the lew specimens known, from Mich., Wis., and Ark. (veos, 

 new; yea, world; tins being a near relative of the "Minnow" of 

 Europe, /'. phoxinus L.). 



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



//. Body not very slender, the depth about 4 in length. 



156. P. flammeus Jordan & Gilbert. Head rather short, the 

 snout bluntish ; mouth small, oblique ; the jaws equal, the maxil- 

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

 preceding ; 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 5£ in length. 



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

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

 eye 31 in head. A. 8. L. 2-£. Upper Missouri R. (To James 

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



65. OPSOPCEODUS Hay. (o^onouco, to feed daintily; Sdovs, 



tooth.) 



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

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

 lique, smaller than in any of our Cypritiidce ; jaws equal ; eye 

 very large, 3 in head; D. behind V.; P. very small ; breast naked; 

 16 scales before D. ; lateral line usually incomplete. Yellowish, 

 sides silvery; a dark lateral stripe ; D. with a black blotch on its 

 last rays. Head 4f; depth 4|. U. 9. A. 8. Scales 5-40-3. L. 

 2\. S. Ind. to Ark. and Miss. ; not. common. (Trycherodon mega- 

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



66. NOTEMIGONUS Bafinesque. 



(vcotos, back ; rjfxi, half ; yebvos, angle.) 



159. N. chrysoleucus (Mitchill). Golden Shiner. Bream. 

 Body more or less elongate, much compressed; head short, low, 

 compressed; mouth small, oblique, the, maxillary not to eye; eye 

 moderate, or large, 3 to 4 in head ; lateral line much decurved. 

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

 lowish. Sexes similar. Head 4£; depth about 3. D. 8. A. 13 



