MR. W. K. PARKER OX THE SKULL IX THK BATRACHIA. 



PLATE 38. 



Figures. 



1 (p. 221) 



2 

 3 



4 (p. 210) 



5 (p. 198) 

 G (p. 201) 

 7 (p. 206) 



8 



9 (p. 207) 



Skull of Oiilophus margaritifer (B). — Adult female ; 

 2f inches long (Hyrtl's prepn., Mus. Coll. Surg., Eng- 

 land). Brazils. Side view 



The same. End view 



The same species ; half-grown (same as in Plate 37). End 

 view of skull 



Lower jaw of Biifo lentiginomts. — Young (same as in 

 Plate 39). Upper view 



Hyo-branchials of Bufo pantherinus (same as in Plate 35). 

 Upper view 



Hyo-bi-anchials of Bii/o melanostictus (same as in Plate 35). 

 Upper view 



Skull of Tadpole of Bii/o chilensis (B). — Total length, 

 f inch ; tail, ^ inch ; hind legs, 2*0 i'lch. Arequipa, 

 Peru. Upper view 



The same. Lower view 



Skull of Tadjjole of Bufo lentiginosus (A). — f inch long ; 

 hind legs, -^-j i^^h long. Penekese Island, Mass., U.S. 

 Upper view 



The same. Lower view 



Nifinber of 



times 

 magnified. 



4 



4 



5i 



10 



21 



15 



15 



10 

 10 



