MR. W. K. PARKER ON THE SKULL IN THE BATRACHIA. 
PLATE 5. 
Figures. 
Number of 
times 
magnified. 
1 (p. 37) 
Skull of Rana halecina .— Immature male; length If inch. 
North America. Upper view, with investing bones 
removed from right side. 
5 
2 
The same. Lower view. 
5 
3 
Mandible of same. Side view. 
5 
4 
Half of hyo-branchial plate of same. 
5 
5 
The same. Columella and stapes. Outer view.... 
10 
6 (p. 35) 
Skull of Ranapolustris, Cambridge, Mass., U.S.—Newly 
metamorphosed; 11 lines long. Upper view, with 
investing bones removed from right side. 
71 
7 
The same. Lower view. 
71 
' 2 
8 
The same. Mandible. Side view. 
71 
' 2 
9 
The same. Hyo-branchials. Upper view. 
7JL 
10 
The same. Columella and stapes. Outer view. 
15 
11 (p. 43) 
Skull of Rana pygmcea .—Adult male; f inch long. Ana- 
mallays Mountains, Malabar, S.W. India. Upper view. 
10 
12 
The same. Lower view. 
10 
13 
The same. Mandible. Outer view. 
10 
14 
The same. Hyo-branchials (half) . 
10 
15 
The same. Columella and stapes. Outer view.... 
20 
