Heterocera from China, Jci'pan, and Gorea. 151 



colour of typical menthastri, but there are all intermediate 

 tints between this and the vermilion oi j^unctaria. 



Alph^raky (Rom. sur Lep., ix, p. 127) notes two small 

 male specimens from Guan-Sian in the province of 

 Se-Tchouen ; these he states were taken in August, and 

 agree with certain European examples of menthastri. 



Distribution. Europe. — Amurland ; Japan ; Yesso-; 

 CoREA ; Eastern, Central, and Western China ; 



MURREE. 



494. Spilosoma oiiveits. 



Dionychopiis niveus, Men., Bull, de I'Acad, Petr., xvii, p. 

 218 (1859) ; Schr. Amur. Reisen, Lep., p. 52, pi. iv, 

 fig. 6 (1859) ; Leech, Proc. Zool. Soc, 1888, p. 620. 



Spilosoma (?) niveus, Kirby, Cat. Lep. Het., i, p. 229 

 (1892). 



Occurs at Yokohama, Oiwake, Hakodate, Sendai, 

 Hakone, Gensan, Chang-yang, and Ta-chien-lu. July and 

 August. 



The markings of the abdomen are subject to modifica- 

 tion, and the black discal spot of secondaries is sometimes 

 absent. 



Distribution. Japan ; Yesso ; Corea ; Amurland ; 

 Central and Western China. 



495. Spilosoma purum, sp. n. 



Head, thorax, and wings white, the latter without markings but 

 with the venation prominent on the upper surface, and the disco- 

 cellulars on the under surface are black. Abdomen with a dorsal 

 series of somewhat triangular marks and a lateral series of black 

 spots, the area between the series is orange-yellow. Pectus and front 

 of the femora orange-yellow. 



Expanse 60 millim. 



I have twelve male and four female specimens; they 

 were obtained at Omei-shan, Chia-kou-ho, and in the 

 province of Kwei-chow, where they occurred in July. 



Allied to S. niveus. 



The shape of the dorsal spots on abdomen is subject to 

 modification ; in the majority of the specimens they are as 

 described, but in one or two examples they are bar-like, 

 and in one individual, small and almost round. 



Habitat. Western China. 



