MR. W. K. PARKER ON THE SKULL IN' THE BATRACHIA. 
PLATE 9. 
Figures. 
Number of 
times 
magnified. 
1 (p. 30) 
Skull of Tadpole of Rana pipiens (C).—Third larva (con- 
tinued from Plate 3). Lower view. 
^2 
2 
Part of same object. 
4l 
^2 
3 
Part of “ extra-brancliial ” cartilages of the same . 
41 
^2 
4 
8 th section of same stage of skull (continued from 
Plate 3) . 
9 
5 
9th section. 
9 
6 
10th section. 
9 
7 (p. 53) 
Skull of adult Rctna pipiens (continued from Plate 8).— 
Part of lower view. 
8 
The same. Auditory region. Side view. 
3 
9 
The same. Stapes and columella. Outer view .... 
3 
10 
The same object. Inner view. 
3 
11 
The same skull. Front view of auditory region .... 
3 
12 
The same. Suspensorium. Lower view. 
3 
13 
The same object. Obliquely upper view. 
3 
14 
Paid of same object. Inner view. 
3 
