Satumiidsc 



leucince. These subfamilies may be discriminated by the help of 

 the following Key: 



Hind wines with one distinct internal vein. 

 Discal cell of both wings open 

 Discal cell of both wings closed 



Hind wings vrithi two distinct internal veins 



Aitacince. 



Fig. 36. — Philosamia cynthta. a. Eggs; b. Larva; c. Cocoon; d. Pupa; e. Moth. 



(After Riley.) 



81 



