Family V. Cyprinid.«. 65 



Subgenus Alburnops Girard. 



54. Nototropis calientis Jordan & Snyder. 



Notropis calientis Jordan & Snyder, Bull. U. S. Fish Comm., 1900, 

 Rio Verde, Aguas Calientes: Jordan & Evermann, Bull. 47, 

 U. S. Nat. Mus., 1900, 3197: Meek, Field Col. Mus. Pub. 65, 

 1902, 83; Aguas Calientes; Ocotlan; Acambaro. 



Basin of the Rio Lerma. 



Fig. 16. Nototropis calientis Jordan & Snyder. 



No. 6193, Leland Stanford. Jr. University. 



Head 3^ to 4; depth 3^ to 3 2 3 ; D. 8; A. 7; scales 6-33 to 35-3. 

 Body oblong, rather stout, not much compressed, back little elevated; 

 snout bluntish, 4 in head; mouth small, maxillary scarcely reaching 

 vertical from anterior margin of orbit; eye small, 4 in head; teeth 

 4-4, hooked, with narrow grinding surface; origin of dorsal fin mid- 

 way between tip of snout and base of caudal, base of dorsal 2 in 

 head; longest dorsal ray 1% in head; pectoral x% in head; ventral 

 i}4 in head; base of anal fin 2^3 in head;' caudal fin forked, its lobes 

 rather rounded; caudal peduncle moderate, 2^/3 in head; lateral line 

 decurved, incomplete, usually only on the first three to ten scales, 

 seldom reaching as far as opposite origin of ventrals; vertebrae 

 20 + 18 = 38. 



Color rather dark brownish, lighter below; an indefinite dark 

 band on middle of sides; no black caudal spot. Length 2% inches. 



This species spawns during the first half of June. 



55. Nototropis braytoni (Jordan & Evermann). 



Montana nitida Girard, Proc. Acad. Nat. Sci. Phila., 1856, 20; 

 Cadereita, Nuevo Leon: Girard, Mex. Bd. Sur., 58, 1858; 

 Cadereita, Nuevo Leon, Mexico. 

 Notropis braytoni Jordan & Evermann, Bull. 47, U. S. Nat. Mus., 



1896; name a substitute for Montana nitida, preoccupied. 

 Streams in northeastern Mexico between the Rio Panuco and 

 the Rio Grande. (San Juan; Montemorelos ; Garza Valdez; La Cruz; 

 Santa Engracia; Victoria.) 



Head 3^3; depth 4; D. 8; A. 7; scales 6-36-3. Body elongate, 

 robust, not much compressed; head stout, rather broad; snout blunt; 



