EXPLANATION OF PLATE IIL 



Fig. I , — Cnethocampa pityocampa. 



1. Head showing double serrated horny crest. 



2. First leg, showing great strength of femur and tibia, com- 



pared with second and third legs (3 and 4), and the sharp 

 point of the tibia for penetrating cocoon, and behind the 

 point sharp hollow for cutting cocoon, which cannot slip 

 off owing to point behind. Tarsus bending back out of the 

 way. 



Fig. 2. — Head of Nonagi-ia fyphte. Dorsal and lateral views. 



This breaks down a silken diaphragm, and much resembles the 

 cocoon opener of many chrysalides. (See page 93). 



Sketched under camera. x 12 diams. 



