lepidopterous larvae and pupae and their surroundings. 145 



They were as follows : — 



(a) Black sticks painted to a dark crimson produced 

 bluish-black larvae. 



(b) Brown sticks of sycamore painted with white rings 



la. 



2a. 



3a. 



about 3 mm. wide, and the same distance apart ; cream- 

 coloured larvae with smoky markings on back. 



(c) Dark twigs of larch with patches of grey lichen : 

 very dark larvae with green and white lichen-like pattern. 



(d) Slips of cream-coloured wood : cream-coloured larvae 

 with slight smoky pattern. 



(e) Purplish-black twigs of birch : bluish-black larvae. 



