oN Oo > 
MR. W. K, PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 1%, 
Figures. 
Erinaceus europaeus (1st stage); embryo, 14 inch long ; 
endocranium ; lower view . 
The same; upper view . 7 
Erinaceus europaeus (2nd sue) e ripe young, 1 ane 
long; dissected skull ; lower view 
The same ; upper view . 
The same ; side view 
The same; end view 
The same ; section : 
The same; part ot’ basal view, a ee raat reriowed 
Number of 
times 
magnified, 
