FAMILY XL PCECILIID.E. 



FlG. 48. PCECILIA LATIPUNCTATA Meek. 



Head 3^; depth 3.^; D. 9; A. 6; scales 9-28. Body elongate, 

 moderately compressed; head rather small, depressed; interorbital 

 flat, iX m head; snout equals diameter of eye, 3^ in head; mouth 

 small; teeth small, outer series not much enlarged; origin of dorsal mid- 

 way between base of caudal and posterior margin of the orbit ; pectoral 



1 ^ in head ; ventral 2 ; caudal fin' rounded ; least depth of caudal 

 peduncle i> in head. 



Color olivaceous ; a black band on sides made up of spots about as 

 large as pupil; iris black; dorsal and caudal fins on largest specimens 

 (?) with dark dots. Longest specimen 2.15 inches. 



A female 1.75 inches contained 16 eggs with outline of young; 

 about one-half of the egg was absorbed. 



142. Poecilia butleri Jordan. 



Pcecilia butleri Jordan, Proc. U. S. Nat. Mus., 1888, 330; Rio 

 Presidio, near Mazatlan: Jordan, Proc. Cal. Acad. Sci., 1895, 

 412; Rio Presidio, Mazatlan: Jordan & Evermann, Bull. 47, 

 U. S. Nat. Mus., 1896, 691: Evermann & Goldsborough, Bull. 

 U. S. Fish Comm., 1902, 151 ; salt water in Gulf of Tehuantepec, 

 Salina Cruz. 



Fresh and brackish waters of Pacific coast from Mazatlan to 

 Isthmus of Tehuantepec. 



Head 3^ to 3^; depth 2^ (adult) to 3^ (young); D. 9; A. 6 to 

 8; scales 9-24 to 26. Body rather deep, compressed, the straight an- 

 terior profile rising considerably above the dorsal; interorbital width 



2 in head; snout equals diameter of the eye, 3 in head; teeth in two 

 series, well separated, the inner series smaller and more closely set; 

 origin of dorsal midway between base of caudal and front of eye; 

 longest dorsal ray i^ ($), i% (?) in head; pectoral i% in head. 



Color of males, green with a pale blue spot on each scale, sur- 

 rounded by bronze shades; no dark cross-bars except in the young; 



