1915.] NATURAL SCIENCES OF PHILADELPHIA. 243 



Length 24 mm. 



Type No. 43,523, A. N. S. P. Junction of the Chanchan River 

 and Chiguancay River, Province of Chimborazo, Ecuador. March, 

 1911. S. N. Rhoads. Purchased. 



Only the type known. Since the appearance of Regan's work 

 in 1904 a number of species have been described and referred to the 

 genus CyclopiimiP Possibly the nearest approach to the present is 

 C. cirratum (Regan)^^ from southwestern Columbia, which, however, 

 would differ in having the ventrals nearly reaching the anal, the 

 pectoral reaching to the ventral base, a smaller head, and a black 

 bar on the caudal fin medianly. 



(Named for the Province of Chimborazo, in which the type was 

 secured.) 



23 Pellegrin, Arc Merid. Equator., IX (2), 1912, pp. 1-15, PI. 1. Eigenmann 

 Indiana Univ. Studies, X, No. 8, September, 1912, pp. 13-16. 

 ''^ Arges cirratus Regan, Proc. Z. Soc. London, 1912, p. 670. 



