MR. W. K. PARKER OK THE SKULL IK THE MAMMALIA. 
PLATE 3. 
Figures. 
Humber of 
times 
magnified. 
1 
Tatusia hybrida (1st stage); embryo ; If- inch long ; 1st 
of a series of vertically-transverse, thin, transparent 
sections. 
24 
2 
The same ; 2nd section .. 
24 
3 
The same ; 3rd section. 
24 
4 
The same ; 4th section. 
24 
5 
The same ; 5th section. 
24 
6 
The same ; 6th section. 
24 
7 
The same ; 7th section. 
24 
8 
The same ; 8th section. 
24 
9 
The same ; part of 9th section. 
14 
9a (' read 10) 
The same ; LOth section .. 
14 
11 
The same ; 11th section. 
10* 
12 
The same ; 12th section. 
lOf 
13 
The same; part of 17th section (Plate 4, fig. 5) 
125 
