Vigures. 
MR. W. kK. PARKER ON THE SKULL IN THE MAMMALIA. 
PLATE 38 
: Toa 
| Nuiber of 
times 
| magnified 
| | 
— Galeopithecus volans (1st stage); embryo; 52 inches long; | 
| skull: side view 2 
i The same ; lower jaw ; inner view 22 
| The same; hyoid arch; apperview. . . . ah 4 
| Galeopithecus philippensis (2nd stage); young; & inches 
long; skull; side view . 1z 
The same; lower juw; end view, 3 
| The same; hyoid arch; upper view . 3 
Same species (8rd stage): section of nldal) gos mle Lie 
The same ; hyoid arch ; upper view. Pee | 3 | 
Same species (4th stage); adult ; hyoid arch; side view. 3 
The same; upper'view.. w 6. 4) 4h) bos oe 
