MR. W. K. PARKER OK THE SKULL IN THE BATRACHIA. 
PLATE 17. 
Number of 
Figures. 
times 
magnified. 
1 (p. 89) 
Skull of Tadpole of Cystignathus ocellatus (?) (A).—2-g- 
inches long ; tail, ] J- inch ; hind legs not visible. Podsio 
—a tributary of Bio dos Macacos—above the Falls, 
Brazils, May, 1865. (A. Agassiz.) Upper view . 
8 
2 
The same. Lower view .. 
8 
3 
Mandibles and lower labials of the same. Upper view . 
8 
4 
Hyo-branchials of the same. Upper view. 
8 
5 (p. 91) 
Skull of larger larva of the same gathering (B); 3^ inches 
long ; tail, 2^ inches; hind legs 1 line. Upper view . 
6 
6 
The same. Lower view .. 
6 
7 
Mandibles and lower labials of the same. 
6 
8 (p. 92) 
Skull of Tadpole of Cystignathus. -? sp.—Length, 
1 inch; tail, f- inch ; hind legs, 1 line. Lake Jannarg, 
Manaoo, Brazils. Upper view. 
12 
9 
The same. Lower view. 
12 
