HR. W. K. PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 6. 
Figures. 
Number of 
times 
magnified . 
1 
Tcitusia hybrida; ripe embryo ; 4 inches long (5th stage); 
skull; lower view. 
2i 
2 
The same ; upper view. 
H 
3 
The same ; side view. 
ol_ 
"4 
3a 
Tire same ; lower jaw ; inner view. 
H 
4 
The same ; end view. 
H 
5 
The same ; os hyoides ; under view. 
H 
6 
The same ; ossicula auditus ; outer view. 
6| 
7 
The same ; auditory capsule ; inner view. 
6 
8 
The same ; outer view. 
6 
9 
Tcitusia peba; new born (?); 4-| inches long (6th stage); 
endocranium ; lower view. 
oJL 
Z 4 
10 
The same ; os hyoides ; under view. 
3 
11 
The same ; auditory region ; outer view. 
6 
