90 HAPLOMI. 



Hah. Mexico, C-oahuila, Durango, and Jalisco : 



Parras in Coahuila ^ ; Durango and Labor in Durango " ; Jalisco *. 



Here described from several specimens, measuring up to 65 mm. in total length, the 

 types of the species (described as from Central America, without particulars as to the 

 exact locality) and a series from Durango {Meek). 



5. Characodon furcidens. (Tab. XII. fig. 2.) 



Characodon furcidens, Jorcl. & Gilb. Proc. U.S. Nat. Mus. 1882, p. 354'; Jord. & Everm. Bull. 

 U.S. Nat. Mus. xlvii. 1892, p. 670 \ 



Depth of body 3i in tho length, length of head 4. Snout as long as eye, the diameter of which is 3| 

 in the length of head : interorbital width 2 in the length of head. 53 scales in a longitudinal series. 

 Dorsal 16; origin equidistant from base of pectoral and base of caudal. Anal 12; origin ]30sterior 

 to that of the dorsal. Pectoral | the length of head. Caudal truncate. Brownish above, yellowish 

 below ; upper part of the body with traces of darker spots. 



Hai. Lower California and Jalisco : 



Cape San Lucas or lagoons near La Paz ^ ; Eio de Mascota in Jalisco {Buller) ; 

 Colima -. 



Here described from a specimen of 80 mm. from the Rio de Mascota {Bailer). 



8. GOODEA, Jord., 1879. 



Goodea, Jorcl. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 685. 

 Xeneridwn, Jord. & Snyd. Bull. U.S. Fish. Comm. xix. 1899, p. 127 (1900). 

 Goodea and Skiffia, Meek, Publ. Oolumbiaa Mus., Zool. v. 1901, pp. 136 aud 141. 



Viviparous. Anal fin of the male with the anterior five or six raj's short, stiff, and subequal, separated 

 by a more or less distinct notch from the rest of the fin. Mouth small, transverse ; rami of lower jaw 

 weakly connected ; minute teeth in bands, with an outer series of larger, movable, bicuspid teeth. 



Ilah. Mexico. 



Synopsis of the Species. 



I. Origin of anal well in advance of that of the dorsal ; 38 to 45 scales in a 



longitudinal series 1, toiceri. 



II. Origin of anal below or slightly in advance of that of the dorsal. 



39 to 44 scales in a longitudinal series 2. atrluinnis. 



.34 to 38 scales in a longitudinal series 3. callentis. 



III. Origin of anal a little behind that of the dorsal ; 32 scales in a longi- 

 tudinal series 4. bilineata. 



IV. Origin of anal considerably behind that of the dorsal. 



A. 48 to 55 scales in a longitudinal series 5. whii'd. 



B. 32 to 38 scales in a longitudinal series. 



Dorsal with 12-15 rays (3. IcrnuR. 



Dorsal with 16-18 rays 7. nmltijmnctala. 



