GROWTH AX! .F.VAE. 
17 
its right or its left £ ing figures the larvae 
are all shown lying on the right side. Owing to the transparency of 
both the larva and the larval food in which it lit - ften difii 
to detect the presence of larvae of tl - _ without the aid of the 
microscope, especially when the brood comb is old and dark. In 
Fig. 7. — Larva of honey 
S 
-Larva of honeybee. 2 davs 
old. 
several instances newly hatched larva? were found which were not- 
provided with food, so that the presence of larval jelly is not neces- 
sary for the escape of the larva from the eggshell. Movement is fre- 
quently observed in young larva?, but this is confined to simple exten- 
sion and flexion of the body. 
At the end of the first day the larva has attained a length of about 
2.6 millimeter- (fig. 7;. It is now somewhat I rent and 
the diameter of the posterior end of 
the body is now noticeably larger 
than that of the anterior end. The 
area of the base of the cell covered 
by larval food is proportionately 
greater. 
At the close of the second day (fig. 
8 1 the larva measures slightly less 
than 6 millimeters in length and is 
still surrounded by f< 
Larvae 3 days old (fig. 9) are no 
longer bent in a semicircle, but form 
an incomplete ring, nearly covering 
the bottom of the cell. * They 
much less transparent than at earlier 
stages and begin to assume the 
opaque ivor\ - appearance char- 
istic of the later e 
At the end of the fourth day the larva (fig. I is bent I 
complete ring, the anterior and posterior end- overlapping, wit: 
anterior end always above or outside -ht- pos end. The larva 
now snugly fits ( m of tl it the ti 
-till plainly distinguishable. Larvae of this age no longer have 
69525 s — 24 3 
I 
old. 
days 
