ME. W. K. PAEKER ON THE SKULL IN THE BATRACHIA. 



PLATE 37. 



Figures. 



l{p.21G) 



2 



3 



4 



5 (p. 219) 



6 



7 



8 



9 



10 



Skull of Bufo ornatus (same as in Plate 36). — Upper view 



The same. Lower view 



The same. Side view 



The same. Hyo-branchials. Upper view 



Skull of Otilophus niargaritifer (A). — Half-grown female ; 



1^ inch. Venezuela. Upper view 



The same. Lower view 



The same. Side view 



The same. Hyo-branchials. Upper view 



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

 The same objects. Inner view 



Number of 



times 

 inajinitied. 



4^ 

 ^3 



4^ 

 4^ 

 4^ 



*3 



•^3 

 ^3 

 •'3 

 *^3 



lOf 

 103 



