BUFO. 



28. Skeleton. Draw an enlarged dorsal view of skull, showing : premaxillte ; 



maxillae ; nasals ; anterior nares ; sphenethmoid ; frontoparietal ; pro-otics ; pterygoids : 

 squamosals ; quadra tojugals ; exoccipitals ; foramen magnum. 



29. Skeleton. Make an enlarged ventral view of the skull, showing : premaxillse; 

 maxilla? ; vomers ; posterior nares ; sphenethmoid ; parasphenoid ; palatines ; ptery- 

 goids ; quadratojugals ; pro-otics ; exoccipitals ; occipital condyles. 



