MR. W. K. PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 28. 
Figures. 
Number of 
times 
magnified. 
1 
Talpct europcea; first of a series of stages of the visceral 
arches, the main figures all drawn from the inside (3rd 
stage of the whole series); embryo mole, § inch long . 
10 
2 
The same (2nd special, 4th general stage); embryo, -f inch 
long.... 
10 
3 
The same (3rd special, 5th general stage); embryo mole, 
1 inch long. 
10 
4 
The same (4th special, 6th general stage); embryo mole, 
1^ inch long... 
10 
5 
The same (5th special, 7th general stage); embryo mole, 
Itj inch long. 
10 
6 
The same (6th special, 9th general stage); suckling mole, 
2 or 3 days old. 
10 
7 
The same (7th special, 10th general stage); young mole, 
, 1 
3 inches long. 
10 
8 
The same (8th special, 11th general stage); young mole, 
■§• grown ; hyoid arch ; upper view. 
10 
9 
The same ; malleus ; inner view. 
10 
10 
The same ; malleus ; outer view. 
10 
11 
The same species (9tli special, 12th general stage) ; stapes 
i 
in situ . 
10 
