﻿EIGENMANN 



?-,ot. 



B 



?!/': - 



ot- 



eye 



Heads seen from above and showing the relative sizes of the eyes of : 



A. Zygonectes notatus; D. Typhlichthys subterraneus, about 35 mm. long; 



B. Chologaster agassizii, 41 mm. long; E. Troglichthys rosa;, 38 mm. long; 



C. Chologaster papilliferus, 33 mm. long; F. Amblyopsis spelaeus, 35 mm. long. 



