MR. W. K. PARKER OK THE SKULL IK THE BATRACHIA. 
PLATE 22. 
Figures, 
Humber of 
times 
magnified. 
1 (p. 122) 
Skull of adult Calyptocephalus Gayi (A).—End view . 
2 
2 (p. 127) 
Skull of Tadpole of the same species (B).—4f indies long; 
tail, 2| inches; hind legs, inch. Upper vdew . 
5 
O 
o 
The same. Lower view. 
5 
4 
The same. Mandible and lower labials. Lower view . 
5 
5 
The same. Hyo-branchials of left side. Upper view . 
5 
G (p. 110) 
Skull of Tadpole of Cyclorhamphus culms. —3^ inches 
long; tail, 2 inches; hind legs, 7 lines. Puno, Lake 
Titacaca, Peru. Upper view. 
5 
7 
The same. Lower view. 
5 
8 
The same. Mandibles and lower labials. Lower views . 
5 
9 
The same. Hyo-branchials of left side. Upper view. 
5 
