242 



THE INSECT WORLD. 



We give a drawing of the Aitacus Yania-Mai\ taken from the 

 plates which accompany M. Guerin-Me'neville's memoir.'^ 



Fig. 223. — Attacus (Bombyx) Yama-Mai. 



Fig. 221 represents the larva, or caterpillar, two-thirds natural 

 size ; Fig. 222, the cocoon, drawn on the same scale ; and Fig. 223, 

 the moth. 



* Sur le Ver a Soie du Chene, et son Introduction en Europe. Extrait du 

 Magasin de Zooiogie, 1855, No. VI. 



[For an account of experiments conducted in England by Dr. Wallace, which. 



