MR. W. K. PARKER ON THE SKULL IN THE BATRACH1A. 
PLATE 21. 
Figures. 
Number of 
times 
magnified. 
1 (p. 122) 
Skull of Calyptocephalus Gayi (A). — Adult female; 
5-^ inches long. Chili. Upper view ...... 
2 
2 
The same. Lower view .. 
2 
3 
The same. End view. 
2 
4 
The same. Hyo-branchials. Upper view. 
2 
5 
The same. Stapes and columella. Outer view .... 
4 
6 
Part of columella. Side view.. 
4 
