Figures. 
VE MW K PARKER ON THE 
| Lrinaceus europeus (a series ot 
SKULL IN THH M 
stages of visceral arches); 
bie and ear- -drum ; 
tA inch lone. 2 2k OG 
HM +t 
deep and superficial win inner 
view (Ist stage) ; embryo 
The 
The same ; 
same ; fore part of deep mandible; upper view 
hyoid arch Miews i) 0) 22. Qe 
b 
znd stage; embryo; 2) inches long ; deep and super 
ficial mandible ; and ear-civeum: immerview . . . . 
3rd stage; ripe young ; 24 imches long; the same parts ; 
inner view . 
The 
4th stage ; 
same ; hyoid aa upper view 
young, 2 seats old: the sa 
yiew . . 
5th stage ; head, i inch long ; same paris ; inner view . 
The same ; hyoid arch ; upper view. ae ieee 
7th stage; # grown; ear-drum; outer view. . . . . 
The s 
Sth stage ; adult ; 
The 
The same ; 
Same SANHEr VIEW 5 vb Le ella a) ah lel lee 
malleus; outer view . . .. 
same ; annulus tympanicus: outer view. . . . . 
hyoid arch; upper view .. . . . . . 
: 
s: inner j 
sLMALTA. 
Number of 
| times 
| mnagnified. 
in 
tole cole 
oO GO 
wo ow wo wo 
. Cobo 
| 
