PLATE II. 
Diam. 
Platymaia wyville-ihomsoni, n. gen. and sp., adult female, . nat. size. 
Fig. la. Lateral view (in outline) of the carapace of the same species, . nat. size. 
Fig. 15. Inferior view of the cervical region, showing the structure of the 
orbits, antennae, and maxillipedes, . . . X 2 
Fig. lc. Chelipede of the female, . . . . . X 1-g 
Fig. Id. Magnified view of the bases of the first and second ambulatory 
legs, showing the spines on the coxae and following joints, and 
also the intervening sternal spines, . . . X 2 
Fig. le. Post-abdomen of the female, . . . , nat. size. 
