PLATE 3 
Larva of the honeybee 
A. —Sagittal section through head of mature larva. X 57. 
B. —Cross section of a thoracic ganglion. X 205. 
C. —Horizontal (coronal) section of a thoracic ganglion. X 153. 
D. —Longitudinal section of a spiracular branch, intersecting spiracle (*Sp)- 
X 195. 
E. —Cross section of a spiracular branch of a mature larva. X 195. 
