EXPLANATION OF PLATES. 



Plate I. 



Figs. 1, la. Willemcesia indica, natural size. 

 Figs. 2, 2a. Nephropsis ensirostris,x\\. 



Plate II. 

 Fig. 1. Iconaxiopsis andamanensis, x2. 



Fig. la. Part of the antenna of Iconaxiopsis andamanensis, x 4. 

 Fig. 2. Spongicola andamanica, x 6. 

 Fig. 3. Engystenopus palmipes, x 2. 

 Fig. 4. Gebicula exigua, x 6. 



Plate III. 



Fig. 1. Munidopsis (Orophorhynchus) granosa,x2. 



Fig. 2. Munidopsis (Orophorhynchus) ceratophthahnus, x 1%-. 



Fig. 3. Carapace etc. of Uroptychus nigricapillis, x6. 



Fig. 3a. Hand of Uroptychus nigricapillis, x 3. 



Fig. 4. Munidopsis (Orophorhynchus) Edivardsi,x \%. 



