Wieiros 
wv , 
MR, W. K, PARKER ON THE SKULL IN 
PLATE 16. 
Tulpa europad (lst stage); embryo, + inch long; side 
VIGVW <i ah i de fT ey asco te 
Tulpa curopaa (2nd stage); embryo, } inch long ; side 
VIEW 
The same; front view 
The same; lower view of head 
Talpa evropad (8th stage); § inch long 
Tulpa europa (oth stage); embryo byt; inch long; front 
view of upper part 
The same; side view of upper part . 
Mrinaeeus europaeus (Ist stage); embryo, 1) inch long ; 
side view 
The same; front view 
Sorex vulgaris (ist stage); embryo, # inch long nearly ; 
side view. 
The same: front view the ac hee 
10 or 12 days old 
Centetes ecaudatus (Ast stage); embryo, 44 inch lone . 
Centetes ecaudatus (2nd stage) ; embryo, bya inch lone 
nestline 
Sorex vulgaris (Srd stage) ; ¢, 
Galeopithecus volans (Ist stage) ; embryo nearly ripe 
‘The same ; side view of head. 
Rhynchocyon cernei; embryo, ripe, or nearly ripe 
THE MAMMALIA, 
Number of 
times 
magnified 
or reduced, 
NIN ON 
ol tl 
wi— wl a 
Ly 
Q Wd 
3 hat. size. 
2 do, 
$ clo. 
