242 



THE INSECT WORLD. 



We give a drawing of the Aitacus Yama-Mai, taken from the 

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



Fig. 222.— Cocoon of Attacus (Bombyx) Yama-Maf. 



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



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

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

 tlie moth. 



* Sur le Ver a Sole du Chene, er son Introduction en Europe. Extrait du 

 Magasm de Zoologie, 1855, No. VI. 



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



