246 



llie cap wlieii llie einbi-yo is in the egg (fig. 9); it is l)y tlie pressure 

 ot' Lliis limnp Ihal Ihe nyin[)li puslies oll' tlie cap of Ihe egg wlien it 



Fig. 12. 



i3. 



Fii 



émerges. Some of the nymphs feed before the first moult; most of 

 them do not. After feeding, the abdomen becomes swoilen, globular 



Fig-. 14. 



Fie-. i5. 



and dark greenish-brown, owing to the liqaid imbibed showing 

 Ihrough the dehcate cuticle. In the second instar, the gênerai 

 coloar, including that of the head, is orange as before, but much of 

 the abdomen dorsally is dark bi-o\vn. 'riie luimp on the neck is 

 also smaller, the neck having Icngtliened. In (lie Ihird instar there 

 is little dilTerence again in Ibtm or colour, but Ihe hump is still 

 smaller an 1 llie neck longer. In the fourth instar there is still less 

 of the hump on the neck, which bas again lengthened ; the teginina 

 appear as small black patches, but the head and pronotuni are still 

 orange, and the rest of the colouring much as before; but witli 



