90 HAPLOMI. 
Hab. Mexico, Coahuila, Durango, and Jalisco : 
Parras in Coahuila?; Durango and Labor in Durango ®; Jalisco 4. 
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 (Meesz). 
5. Characodon furcidens. (Tab. XII. fig. 2.) 
Characodon furcidens, Jord. & Gilb. Proc. U.S. Nat. Mus. 1882, p. 354°; Jord. & Everm. Bull. 
U.S. Nat. Mus. xlvii. 1892, p. 670’. 
Depth of body 34 in the length, length of head 4. Snout as long as eye, the diameter of which is 35 
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 posterior 
to that of the dorsal. Pectoral 2 the length of head. Caudal truncate. Brownish above, yellowish 
below ; upper part of the body with traces of darker spots. 
Hab. Lower California and Jalisco: 
Cape San Lucas or lagoons near La Paz!; Rio de Mascota in Jalisco (Buller) ; 
Colima ?, 
Here described from a specimen of 80 mm. from the Rio de Mascota (Buller). 
8. GOODEA, Jord., 1879. 
Goodea, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1896, p. 685. 
Xenendum, Jord. & Snyd. Bull. U.S. Fish. Comm. xix. 1899, p. 127 (1900). 
Goodea and Skiffia, Meek, Publ. Columbian Mus., Zool. v. 1904, pp. 186 and 141. 
Viviparous. Anal fin of the male with the anterior five or six rays 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. 
Hab. 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. 2... 1 ee ee ee ee ee ee OL towers. 
II. Origin of anal below or slightly in advance of that of the dorsal. 
39 to 44 scales in a longitudinal series . . 2. ©. 2. ee ee e se 2 atripinnis. 
34 to 88 scales in a longitudinal series . . . 2 2. ee ee ee Be calientis. 
III. Origin of anal a little behind that of the dorsal ; 32 scales in a longi- 
tudinal series . 2. . 1... we ee ee 4. bilineata. 
IV. Origin of anal considerably behind that of the dorsal. 
A. 48 to 55 scales in a longitudinal series. . 2. 2. 1. 1. 1. 1. we 8. whitii. 
B. 32 to 88 scales in a longitudinal series. 
Dorsal with 12-l5 rays 2. 2 1. 1 eee eee ee ee ew 6. lerme. 
Dorsal with 16-18 rays 
~ 
multipunctata. 
