MR. W. K. PARKER OK THE SKULL IK THE BATRACHIA. 
PLATE 20. 
Figures. 
Kumber of 
times 
magnified. 
1 (p. 107) 
Skull of Oyclorliamphus marmoratus .— Adult female ; if 
inch long. Yinco Caya, Peruvian Andes, 16,000 feet 
high. Upper view. 
4f 
2 
The same. Lower view.. 
4f 
O 
O 
The same. Side view. 
4 
4 
The same. Hyo-branchials. Upper view. 
4f 
5 
The same. Pedicle and part of skull; left side. Upper 
view. 
qi 
y 3 
5a 
Part of same object — ossified meniscus . 
H 
6 
The same skull. Stapes, columella, and annulus. Outer 
view . 
H 
7 ( p. 112) 
Skull of Discoglossus pictus .— Adult male ; 2f inches 
long. South Europe. Upper view . 
4* 
8 
The same. Lower view . 
4| 
9 
The same. Mandible. Outer view . 
4f 
10 
The same. Hyo-branchials (half) . 
41 
11 
The same. Stapes and columella. Outer view .... 
14 
