Waite. — Antennal Glaada. 



PLATE 4. 



(Dorsal is up on plate in all figures. In Figs. 32-38 anterior is to the left ; in 

 Fig. 39 anterior is to the right.) 



Fig. 32-38. Lateral face of the second, third, fifth, sixth, eighth, eleventh, and 

 twelfth sections respectively from a series of thirteen parasagittal 

 sections through tlie left antennal gland of the first larva. X 128. 



Fig. 39. Median face of a nearly parasagittal section through the left gland and 

 duct of the first larva. X 128. 



