Mk, W. E. PARKER ON TH SRULL IN THE MAMMALIA. 
PLATE 30. 
1 _ Sorex vulgaris (3rd stage); young 1} inch long ; first of 
__aseries of vertically-transverse sections of head . . . 
2 | The same; 2nd section . 
5 | The same ; 8rd secticn , 
4 | The same; 4th section 
3 | The same; 5th section . 
5 | The same; 6th section . 
7 | The same ; 7th section . 
7A | The same (part of ig. 7) 
Q | The same; 8th section . 
) | The same; 9th section . 
10 The same; 10th section 
ih | The same; 11th section 
{2 | The same ; 12th section 
3 | The same’: 13th.section “2... ¢!\9S))2 .! G4 
4 | Theisame: 14thsection =) 2°.) 2 abt 2 onG 
15 | Thesame; 15thsection . . 2 . + 1s se a 
16 Sore vulgaris (2nd stage) 
17 Ditto (8rd stage) ; ossicula auditds ; inner view : 
18 | Phe same ; endocranium (part); lower view (2nd stage) . 
Number of 
times 
toagnified. 
12 
46 
