MR. W. K. PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 5. 
Number of 
Figures. times 
magnified. 
1 Tatusia hybrida; embryo; 3 inches long (8rd_ stage) ; 
endocranium; upper view... .... . 32 
2 The same; endview. . .. . 33 
3 The same ; auditory region; outer view . . . . « . 13% 
4 Tatusia hybrida; embryo; 2 inches long (2nd stage) ; . 
auditory region; outer view . . ; 13% 
5 Tatusia peba; embryo ; 3 inches long (4th ae skull ; 
lower View = wea Ree eee es 348 33 
6 The same ; vertical section of skull; inner view . . . 33 
‘é The same; skull; endview . ..... - 33 
8 The same; ossiculaauditis . . . . . . 114 
