PLATE III. 



Figure 22. Ventral view of the fully developed larva, 

 before metamorphosis has begun. Stage"E'J 



Figure 23. Outline drawing of F-g.22. The lines in- 

 dicate the planes of the sections which 

 have been drawn to show the anatomy of 

 a larva in stage "F" . 



Figures 24,25,26 and 27 .Longitudinal sections of 

 a larvae in stage "F" the planes or V 

 are indicated on Fig. 23 by the lines a-b, 

 c-d , m-n and x-y . 



Figures 23,20 and 30.Transveree sections of a larva 

 in stage "F"the planes of which are indi- 

 cated on Fig. 23. by the lines c-o ,d-o 

 and e-o. 



