Plate 152. 

 1-4. Rhynobrissus placopetalus A. Ag. & CI. X 3.5. 



1. Abactinal view of holotype (St. 4160). 



2. Right-side view of same. 

 'A. Aetinal view of same. 



4. Posterior view of same. 



5-8. Brissopsis luzonica (Gray). X 3. 



5. Abactinal view of young individual, holotype of Brissopsis circosemita A. Ag. & CI. 



(St. 4070). 

 I). Right-side view of same. 



7. Aetinal view of same. 



8. Posterior view of same. 



