42 
D. KEILIN 
Magenta-red, the perinuclear protoplasm of these cells is often 
so deeply stained that it decolorizes more slowly even than the 
nucleus. 
Nearer the border of the cell the basophile proto- 
plasm is very irregularly distributed, and this gives to the 
pe 
pr U 
Longitudinal submedian section of All. foetida: ph. 
or salivary chamber of pharynx ; 
THXT-FIG. 2. 
cs 
ee A { y 
genom wae: 
x 
eae ae: 
d. = dorsal 
ph. v.= ventral chamber of 
pharynx. Other letters as in Text-fig. 1. x 26. 
stained cells 
a very peculiar spotted appearance (Pl. 3, 
cb 
figs. 2 and 4). 
The clear areas of the protoplasm have a very granular 
structure, the nature of which we shall examine later. 
The 
