MR. W. 
PLATE 31. 
. PARKER ON THE SKULL IN THE MAMMALIA 
Number of 
Figures. times 
magnified. 
1 | Sorex vulgaris (4th stage); skull of adult ; upper view . 5 
2g | The same; lower view 5 
3 | The same; side view -1 o 
3A The same ; end view of lower jaw . 5 
4 _ The same ; petromastoid bone ; inner view 12 
5 | The same ; outer view TP | 12 
6 _ The same; malleus, incus, ann tympanic ; outer view. . | 18 
7 The same ; inner view . ie! 18 
8 | The same; stapes; side view : es 18 
9 | Soren vulgaris (4th stage); adult ; hy in sh inner view 7 
10 The same (8rd stage); skull; side view ‘6 
11 The same; section; side view ii 
12 | The same ; hyoid arch | 12 
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