﻿EIGENMANN 



PLATE 25 



^S^-^ 



BMeiseilith. 



Eyes of Stygicola and Lucifuga. 



A. Lucifugas 20 mm. long and ready to be liberated. See plate 13 D for others from the same ovary. 



B. Dorsal view of head of a young Stygicola, about 20 mm. long. 



C. (a) right and (A) left eyes of a young Stygicola 20 mm. long (No. 125A). In A details of marking of iris and ball are shown. 



D. (a) and (A) right and left eyes of the only other individual from the same ovary (No. 125a). 



E. Section of the left eye shown in C A. 



F and G. Vertical sections of right and left eyes shown in D a and A. Seen from in front. X 390. 

 H. Section through <niddle of lens of left eye. 



