Pceciliid Fishes of the Genus Jenynsia. 



233 



J. jv/gogramma, was described by Boulenger * ; the types 

 conio from the Rio Cruz del Ejo, Cordova, Argentina, and 

 tlie species is well distinguished from J. lineata by its 

 irregular scaling, the abdomen being naked and the scales on 

 the back much smaller than on the sides of the body. 



In 1906 I described J. maculata f from Cachi, Salta, 

 Argentina, as a new species, and quite recently Haseman 

 has added J. eigenmanni J, a supposed new species from 



the Rio Iguassu. 



* Ann. & Mag. Nat. Hist. (7) ix. 1902, p. 336. 



t Ibid. (7) xviii. 1906, p. 154. 



X Ann. Carnegie Mus. vii. 1911, p. 385, pi. Ixxxii. 



Ann. & Mag. N. Hist. Ser. 8. Vol. xi. 16 



