NOTEOPIS. 159 



Anal 9-10. Ventrals inserted a little before the origin of dorsal, which is equidistant from the tip of 

 snout and base of caudal or a little nearer the latter. 34 to 38 scales in a longitudinal series, 6 to S in 

 a transverse series from origin of dorsal to lateral line, 3 or 4 between lateral line and root of ventral. 

 Lateral line usually complete. Caudal peduncle If to 2 as long as deep. A dark vertical bar beliiud 

 the head ; a lateral stripe on the posterior part of the bod}-. 



Hah. South Dakota to Northern Mexico : 



In Mexico recorded from the Rio Santa Maria •'', Rio Carmen ■' [Meelc), Rio 

 Sauz^ {Meeli), and Rio Conchos^'^ (Meek) in Chihuahua; Rio San Juan in 

 Nuevo Leon 2 3 5. j^jq Conchos in Tamaulipas ■'. 



Here described from several specimens, measuring up to 70 mm. in total length. 



9. Notropis garmani. 



Cyprinella rubripiiina (non Argyreus ruhripinnis, Heck.), Garm. Bull. Mus. Corop. Zool. viii. 1881, 



p.9r. 

 Notropis garmani, Jord. Cat. Pish. N. Am. p. 813 (1885J ' ; Jord, & Everm. Bull. U.S. Nat. Mus. 



xlvii. 189G, p. 281 '; Meek, Publ. Columbian Mus., Zool. v. 1904, p. 73 '. 



Very similar to N. liUrensis, but with the head smaller (4 to ih in the length of the fish) and the anal tin 

 usually longer (of 10 to 12 rays). 



Ilab. Mexico, Rio Nazas : 



Lerdo (Meek) and Santiago Papasquiaro in Durango''; Parras in Coahuila''. 



I have examined four specimens, measuring up to 70 mm. in total length. 



10. Notropis santamarisB. 



Notropis santamarice, Everm. & Goldsborough, Bull. U.S. Fish. Comm. xxi. 1902, p. 147, fig. ' ; 

 Meek, Publ. Columbian Mus., Zool. v. 1904, p. 74, fig. 21 '\ 



Very close to N. lutrensis and perhaps not really distinct, but the lateral line incomplete, terminating below 

 the origin of the dorsal tin, and only 2 scales between the lateral line and the base of the ventral fin. 



Ilab. Mexico, Lago de Santa Maria in Chihuahua. 



11. Notropis calientis. 



Notropis calientis, Jord. & Snyd. Bull. U.S. Fish. Comm. xix. 1899, p. 122, fig. (1900)'; Meek, 

 Publ. Columbian Mus., Zool. v. 1904, p. 65, fig. 16 \ 



Depth of body 3^ to 3| in the length of the fish, length of head ;'.f to 4. Diameter of eye 4 in the length o/' 

 head. Mouth terminal, oblique ; jaws equal anterioily ; snout obtuse. Dorsal U, with 7 branched rajs. 

 Anal 7-8, with 5 or 6 branched ra3-s, Ventrals inserted below or a little in advance of the origin of 

 dorsal, which is nearly equidistant from tip of snout and base of caudal. 32 to 3.5 scales in a 

 longitudinal series, 6 or 7 in a transverse series from origin of dorsal to lateral line, 3 or 4 between 

 lateral line and base of ventral fin. Lateral line incomplete, not extending further back than the 

 vertical from the origin of the dorsal fin. Caudal peduncle twice as long as deep. A dark lateral stiipu. 



Hab. Mexico, Rio Lerma System : 



Aguas Calientes ^ -, Ocotlan^, Acambaro-. 



Here described from eight specimens, measuring up to 50 mm. in total length, 

 from Aguas Calientes {Meek). 



