MR, W. K. PARKER OK THE SKULL IK THE BATRACHIA. 
PLATE 31. 
Figures. 
Humber of 
times 
magnified. 
1 (p. 169 ) 
Skull of Hyla Ewingii .—Adult female ; id inch long. Van 
Diemen’s Land. Upper view. 
6 
2 
The same. Lower view. 
6 
3 
The same. Mandibles and hyo-branchials. Upper view . 
6 
4 
The same. Front part of chondrocranium. Upper view. 
12 
5 
The same. Stapes, columella, and annulus. Outer view. 
12 
6 (p. 171 ) 
Skull of Hyla phyllochroa .—Adult female ; 1 inch 5 lines 
long. Cape York, Australia. Upper view .... 
6 
7 
The same. Lower view. 
6 
8 
The same. Mandibles and hyo-branchials. Upper view. 
6 
9 
The same. Stapes, columella, and stylo-hyal. Inner view 
12 
