Migures, 
MR, W. K, PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 19. 
Erinaceus europaeus (3rd stage); new-born young, 24 
inches long ; endocranium ; lower view . 
The same ; upper view . 
KNrinaceus europaeus (4th sta) eccy, 2 Ree ane 
3 inches long; endocranium; lower view . 
The same ; upper view . eo : 
The same; part of endocranium ; upper view aie 
Erinaceus europaeus (Sth stage); 1 month old; head, 
1} inch long; dissected skull; end view 
The same; part of endocranium, with some aie 
retained ; lower view 
The same ; section of skull 
The same ; part of skull; outer view of patito y region . 
Number of 
times 
magnified, 
