PLATE IV. 



Fig. 1. 



Fio. 33. 



Fig. 2. 



Fig. 3, wanting. 



FjG. 5. 



Fig. 6. 



Fig. 6. 



Fig. 7. 

 BUFONID^. 



Fig. 7, wanting. 

 SCAPHIOPIDJE AND PELOBATIDM. 



