LEPIDOPTEEA. 



245 



monograph of Yama-Mai, which may be consulted with profit by 

 both cultivators of silk and naturalists.* 



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



Attacus pernyi yields a remarkably beautiful silk, fine, strong, 

 and brilliant, which can be spun and dyed with great ease. The 

 tissues obtained from it partake of the qualities of ordinary silk, of 

 wool, and of cotton. This species of Attacus, which is reared on 

 the oak in Mandchouria, has given rise to great hopes in France. 

 The cocoons and moths of this worm were exhibited for the first 





Fig. 224. Cocoon of Attacus (Bombyx) pernyi. 



time at the Universal Exhibition of 1855. They were reared by 

 M. Jordan, of Lyons, from some cocoons sent over from China by 



* Le Ver a sole du Chene (Bombyx Tama-Mdi\ son histoire, sa description, ses 

 mceurs. 8vo, avec planches coloriees, A Laval, a 1'ecole de sericiculture. 



