Waits. — Antennal Olands. 



PLATE 5. 



(Dorsal is up on all figures. Median is to the right in Figs. 41-48.) 



Fig. 40. Anterior face of a transverse section through the region of the base of the 

 second antennae in the first larva. (The dorso-ventral axis has been 

 slightly shortened in cutting.) X 42. 



Fig. 41-48, Anterior face of the third, fiftli, seventli, ninth, tenth, twelfth, four- 

 teenth, and seventeenth sections respectively from a series through the 

 right antennal gland of the first larva. X 128. 



