PI. VII. 



Fig. 14. A "rod-shaped" epithelial process surrounded by a thin layer of muscle connected 

 with the iridian epithelium. The section was very thin (5 //) and had curled up a 

 little; hence the indistinctness above. P. c. = beginning of a ciliary process. Depig- 

 mented section. X go. 



Fig. 15. An epithelial process connected with the hindmost la\'er of iridian epithelium. 

 Depigmented section, x 530. 



