EXPLANATION OF PLATE I. 



Figure 1. — X'phopeneus IfurUii, male, cephalothorax ; a, b, c, d, e, thoracic legs, 

 tho-e of the fourth and fifth pairs incomplete, la, appendages of the 

 first segment of the abdomen in the same specimen, lb, rostrum of a 

 larger, female specimen ; Ic mandible enlarged two diameters, 



Fi""nre 2. — P^dcemon ensiculus, male, carapax ; 2a. leg of the second pair ; 2b, extremity 

 of abdomen, seen from above ; 2c, rostrum of a small female. 



Figure 3. — Cri/ptognqisus cirripes, male; 3a. sternum and abdomen of the same spe- 

 cimen. 



Figure 4.— Pa opens jmIUics, female, carapax enlarged two diameters. 



Figure .5. — Panoneus IliritH, male, carapax enlarged two diameters. 



All the figures are natural size, except Ic, 4 and 5, and all are copied from photo- 

 graphs, except 1 a and Ic. 



