Family XI. Pceciliid^e. hi 



Zoogoneticus quitzeoensis Meek, Field Col. Mus. Pub. 65, 1902, 91; 



Ocotlan; La Barca. 

 Basin of the Rio Lerma. 



Fig. 29. Zoogoneticus cuitzeoensis (B. a. Bean). 



No. 48209 ( Platyptecilus quitzeoensis B. A. Bean), U. IS. National Museum. 



Head sH> depth 3 to 3^; D. 13 or 14; A. 13 to 15; scales n-30. 

 Body compressed, the back somewhat arched; usually in larger 

 specimens an angle at the nape ; head rather small ; interorbital space 

 flattish, its width 2^/3 in head; mouth moderately large, chin promi- 

 nent; lower jaw projecting; outer series of teeth large; .snout 4^ in 

 head; eye sH'< origin of dorsal fin midway between tip of caudal and 

 tip of snout, and in advance of ventral; pectoral fin if in head; 

 ventral 2; caudal fin truncate; caudal peduncle rather deep, its least 

 depth 1% in head. 



Color light brownish tinged with red; on the middle of sides of 

 female to opposite tip of pectoral usually with three faint dark 

 spots, also four to six dark bars on lower half of caudal peduncle, 

 and a dark spot on upper portion of caudal peduncle above last bar; 

 color of the males more uniform and much darker than that of the 

 females ; the spots or bars so conspicuous on the females being scarcely 

 noticeable on the male; dorsal and anal fins tipped with yellow; the 

 caudals and tips of ventrals blackish; pectorals light; fins of the 

 female pale. Length 2^ inches. 



100. Zoogoneticus dugesi (Bean). 



Fuudulus dugesii Bean, Proc. U. S. Nat. Mus., 1887, 373, pi. 



xx, fig. 5; Guanajuato: Garman, Memoirs Mus. Comp. Zool., 



1895, 101. 

 Adinia dugesii Jordan & Evermann, Bull. 47, U. S. Nat. Mus., 



1896, 661. 

 Zoogoneticus dugesii Meek, Field Col. Mus. Pub. 65, 1902, 92; 



Lagos; Patzcuaro. 



