FRESH -WATER FISHES OF WESTERN CURA. 
227 
with tip of first one; a black band through middle of anal, most intense upon and entirely covering 
last rays; first fully developed ray black in the large specimen, colorless in the smaller; origin of 
anal under eighth scale. 
I take pleasure in naming this species for Mr. Oscar Riddle, to whom much of the success of the 
expedition to Cuba is due. 
Poecilia vittata Guichenot. * 
San Cristobal, over 50 females, the largest 94 mm. long; a number of them with peculiar black 
blotches; the small ones with 3 yellow stripes below the lateral line and frequently with one or more 
series of black dots along lower part of side; 32 males, the largest 70 mm. 
San Antonio, 5 females, the largest 110 mm.; 2 males, the largest 73 mm. 
Los Palacios, 70 females, the largest 100 mm., showing great variability in the intensity of color- 
ation; 35 males, the largest 65 mm. 
Calabazar, 9 females, the largest 102 mm. ; 1 males, the largest 70 mm. 
Paso Real, 3 females, the largest 80 mm.; 1 male, 53 mm. 
Pinar del Rio, 17-females, the largest 83 mm.; 9 males, the largest 63 ram. 
Sumidero, 2 females. 
Heterandria cubensis Eigenmann, new species. * 
Type, No. 7663, Ind. Univ. Mus., a female, 59 mm., from Los Palacios. 
Cotypes, one female with young, 53 mm. , from Los Palacios, and one female, 38 mm., from Pinar del 
Rio. These specimens agree well with the characters of the genus Heterandria, as restricted by Gar- 
man, except that the outer series of teeth are movable. Head 5 to 5.2; depth 3.3 to 3.7; D. 9; A. 10; 
scales 29. Body elongate, little compressed, general shape that of Fundulus; profile regularly curved 
from dorsal fin to eyes, flattened over eyes and forward; mouth small, opening upward, the lower jaw 
projecting; bones of jaw loosely united; eye longer than mouth, 2.5 to 2.7 in head, very little less than 
interorbital; origin of dorsal a little nearer head than base of middle caudal rays, over first third of anal; 
dorsal and anal both falcate, the anterior rays extending considerably beyond tip of last when laid 
back; highest dorsal ray slightly shorter than highest anal ray, about equal to length of head; caudal 
a little longer than head; ventral reaching to anus; pectoral reaching to ventral. 
Scales of the mid-dorsal line with their dorsal halves dusky, those of entire side margined with 
