MR. W. K. PARKER ON THE SKULL IN THE BATRACHIA. 
PLATE 25. 
Figures. 
Number of 
times 
magnified. 
i (p. 136) 
Skull of Bombinator igneus. — Adult female ; If inch long. 
Europe. Upper view. 
6 
2 
The same. Lower view. 
6 
3 
The same. Mandibles and hyo-branchials. Upper view . 
6 
4 
The same. Auditory region. Outer view. 
12 
5 (p. 139) 
Skull of Pelobates fuscus .—Adult male ; 2 inches 5 lines 
long. Europe. Upper view. 
4' 
6 
The same. Lower view. 
4 
7 
The same. Side view. 
4 
8 
The same. End view. 
4 
9 
The same. Hyo-branchials. Upper view. 
4 
10 
The same. Mandible. Outer view. 
4 
11 
The same. Auditory region. Outer view. 
6 
