268 MEMOIRS OF THE CARNEGIE MUSEUM 



to below the nares; premaxillary broad, the mouth inferior, on a level with the 

 low(>r margin of the eye; suborbital narrow. 



Origin of dorsal nearer snout than to caudal, the second and third rays pro- 

 longed, reaching in extreme cases to the caudal; caudal deeply forked, the lobes 

 longer than the head; pectoral reaching ventrals; anal short, emarginate, the tips 

 of the anterior rays reaching base or tij) of the last ray; ventrals reaching anal or 

 a little shorter. 



Scales regularly increasing in size from the back to the preventral area, where 

 they are largest, their margins always ciliated on the preventral area, becoming 

 ciliatedonother areas with age; a large axillary scale; fins naked; lateral line nearly 

 straight, ending in a hastate scale at the base of the caudal. 



Highly iridescent blue above, silvery below, becoming frosted with age; vertical 

 fins roseate, shading to yellowish at the base. 



The specimens from Guiana in the Jardin des Plantes are faded and soft, but 

 are probably of this species. 



126. Curimatus ciliatus Miiller and Troschel. 



Anodus ciliatus MUller and Troschel, Horse Ichth., 1845, 25, pi. 4, fig. 4; in 

 Schomburgk, Reisen, HI, 1848, 633 (Lake Amucu). 



Curimatus ciliatus Castelnau, Anim. Am. Sud, Poiss., 1855, 58 (Amazon). — 

 Kner, "Familie der Characinen," i, 1859, 7 (Ypanema; Guapore). — GIjnther, 

 Catalogue, V, 1864, 292.—? Perugia, Ann. Mus. Genova, (2a), X, 1891, 39 

 (Alto Parana) . 



Psectrogaster ciliata Eigenmann and Eigenmann, Ann. N. Y. Acad. Sci., IV, 1889, 5; 

 1891, 46. — ? Berg, An. Mus. Nac. Buenos Aires, V, 278 (Coary); Eigen- 

 mann and Eigenmann, Proc. U. S. Nat. Mus., XIV, 1891, 46 (Descalvados, 

 Rio Paraguay). — Fowler, Proc. Acad. Nat. Sci. Phila., 1906, 305 (Ambyiacu 

 and Solimoes). — Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 

 1910, 420. 



Curimatus rutiloides Cope (not of Kner), Proc. Acad. Nat. Sci. Phila., 1871, 258 

 (Ambyiacu) . 



Curimatus cyprinoides^^ Cope, Proc. Acad. Nat. Sci. Phila., 1871, 291 (Solimoes). 



Curimatus essequibensis GtJNTHER, Catalogue, V, 1864, 291 (Essequibo). — Eigen- 

 mann and Eigenmann, Ann. N. Y. Acad. Sci., IV, 1889, 23; Proc. U. S. Nat. 

 Mus., XIV, 1891, 48. 



" The specimen in the British Museum marked cyprinoidcs has gill-rakers. 



