EXPLANATION OF PLATE XLII. 



Petalomera wilsoni (Fulton & Grant). Male (E.2239). 

 Carapace 32.3 mm. wide. 



Fig. 1. Dorsal view. 



Petalomera lamellata (Ortmann). Male (E.5151). Cara- 

 pace 13 mm. wide. 



Fig. 2. Dorsal view. 

 Fig. 3. Ventral view. 



