COWLES 



PLATE 1. 



4. 



c 



' IJ 



ry 



1> 





-/^'^ 



MftCP DAX-'PIM 



A. SMALL OCYPODA KEPT IN THE DIFFUSE LIGHT OF THE LABORATORY. 



B. SAME SPECIMEN AFTER EXPOSURE TO DIRECT LIGHT FOR 10 MINUTES. 



C. ADULT SPECIMEN-NATURAL SIZE. 



