MR. W. K. PARKER ON THE SKULL IN THE BATRACHIA. 



PLATE G. 



Fignres. 



1 (p. 45) 



2 

 3 

 4 

 5 

 6 (p. 40) 



9 

 10 

 11 (p. 41) 



12 



Skull of Rana tigrina. — Adult female; 5^ inclies long. 



Ceylon. Upper view 



The same. Lower view 



The same. Side view 



The same. Hyo-branchials. Upper view 



The same. Stapes and columella. Outer view .... 

 Skull of Rana gracilis. — Adult male ; 1^ inch long. 



Ceylon. Upper view 



The same. Lower view 



The same. Mandible. Outer view 



The same. Hyo-branchials {half) 



The same. Stapes and columella. Outer view .... 

 Mandible of Rana ci/anophli/ctis (adult, see Plate 10). 



Outer view 



The same. Stapes and columella 



Number of 



times 

 magnified. 



2 

 2 

 2 

 2 

 4 



6| 

 6f 



"3 

 "3 



20 



6| 



20 



