42 BULLETIN 95, UNITED STATES NATIONAL MUSEUM. 



4 rows of irregular dusky or black blotches on sides, those replacing 

 the horizontal band often more or less coalescent posteriorly ; in some 

 of these specimens the dorsal and caudal are only lightly dotted with 

 dusky, in others the spots are almost jet black. Between these various 

 color-patterns are intergrading forms. 



57. ORESTIAS OWENII Valenciennes. 



Orestias owenii Valenciennes in Cuvler and Valenciennes, Hist. Nat. 

 Poiss., vol. 18, 1846, p. ISO (241) ; Urcos Lake. Cusco.— Garman, The 

 Cyprinodonts, Mem. Mus. Corap. Zool., vol. 19, 1895, p. 152. 



58. ORESTIAS GLIVACEUS Garman. 



Orestias oUvacens Garman, The Cj^prinodonts, Mem. Mus. Comp. Zool., 

 vol. 19, 1895, p. 152 ; Lake Umayo, Peru. 



59. ORESTIAS ALDUS Valenciennes. 



Orestias albus Valenciennes, L'lnst, vol. 7, 1839, p. 118. — Cm^iER and 

 Valenciennes, Hist. Nat. Poiss., vol. 18, 1846, p. 180 (242), pi. 537; 

 Lake Titicaca. — Garman, The Cyprinodonts, Mem. ]\Ius. Comp. Zool., 

 vol. 19, 1895, p. 153. — Pellegrin, Note Poiss, lacs Titicaca et Poopo, 

 Bull. Soc. Zool. France, vol. 29, 1904, p. 94. — Starks, Fishes from 

 Ecuador and Peru, Proc. V. S. Nat. Mus., vol. 30, 1906, p. 780.— 

 Pellegrin, Poiss., Lacs Hants Plateaux I'Amer, du Sud, 1906, pp. 126, 

 136, fig. 19iii. 



60. ORESTIAS NEVEUI Pellegrin. 



Orestias neveiii Pellegrin, Bull. Soc. Zool. France, vol. 29, 1904, p. 95; 

 Lake Titicaca; Poiss. Lacs Hauts Plateaux I'Amerique du Sud, 1907, 

 p. 24. 



61. ORESTIAS LUTEUS Valenciennes. 



Orestias luteus Valenciennes, L'lnst., vol. 7. 1839, p. 118. — Cuvier and 

 Valenciennes, Hist. Nat. Poiss., vol. 18, 1846, p. 181 (243) ; Lake 

 Titicaca. — Gasman, The Cyprinodonts, Mem. Mus. Comp, Zool., vol. 19, 

 1895, p. 154. — Pellegrin, Note Poiss., lacs Titicaca et Poopo, Bull. Soc. 

 Zool. France, vol. 29, 1904, p. 96. — Starks, Fishes from Ecuador and 

 Peru, Proc. U. S. Nat. Mus., vol. 30, 1906, p. 781.— Pellegrin, Poiss., 

 Lacs Hauts Plateaux I'Amer. du Sud, 1906, pp. 126, 127, 134, fig. 19ir. 



62. ORESTIAS JUSSIEI Valenciennes. 



Orestias jussiei Valenciennes in Cuvier and Valenciennes, Hist. Nat. 



Poiss., vol. 18, 1846, p. 176 (235), pi. 535; Lake Titicaca, Guaracona 



River, and Lake Chinchoro. — GtJNTHER, Cat. Fish. Brit. Mus., vol. 6, 



1866, p. 329. 

 Orestias jussieui Garman, The Cyprinodonts, Mem. Mus. Comp. Zool., vol. 



19, 1895, p. 155. 



63. ORESTIAS INCAE Garman. 



Orestias incae Garman, The Cyprinodonts, Mem. Mus. Comp. Zool., vol. 

 19, 1895, p. 155 ; Lake Titicaca. 



