PLATE B. 



LARVAE OF SAWFLIES. 



1. Cimbex lutea, L. Coiled under a Sallow-leaf. 



2. Abia fasciata, Le&ch. Coiled under a Snowberry-leaf. 



3. Trichiocampus viminalis, Fall. 



(1 and 2 were photographed from living specimens on their actual 

 food-plants. 3 is from the inflated skin of a larva found on Poplar 

 in the grounds of the Natural History Museum, S.W.) 



PLATE C. 



LARVAE OF SAWFLIES. 



Eriocamjpa ovata, L. On Alder, covered with a mealy white 



secretion. 

 Pteronidea salicis, L. On long-leaved Willow. (The colour ol 



the body is blue-green in the middle, pale salmon colour at 



each end.) 

 Neniatus [Croesus) sepientrionalis, L. On Birch. The insect 



is rising into its "threatening attitude," and has exserted 



its ventral "scent-glands." 

 Lygaeonematus crassicomis, F. On Poplar, surrounded by its 



"stockade " of inspissated secretion formed into little white 



pillars. 

 One of the pillars ( x 40 diameters). 



