BUTTERFLIES. 171 



specimens from old collections ticketed Sikhim. It is a species of 

 the Western Himalayas, and it is very doubtful if it occurs in Sikhim 

 at all. 



463. Papilio (? Byasa) plutonius, Oberthiir. 



Two female examples were obtained in 1884 by native collectors 

 from the interior, perhaps from Bhutan. None have been found since. 

 It is found also in Western China. 



464. Papilio (? Byasa) alcinous, Klug. 



Recorded by Moore from Bhutan, Mr, Leech gives its distribu- 

 tion as Western and Central China, Corea, Japan, and the Loochoo 

 Islands, 



465. Papilio (Byasa) lateeillii, Donovan. 



Better known as P. minereus, Gray. It occurs in the thick, high 

 forests from 7,000 to 9,000 feet, from March to August, and is not 

 common in collections, 



466. Papilio (Byasa) dasaeada, Moore. 



A common species, occurring from 1,000 to 8,000 feet from April 

 till November. The butterfly has a very powerful and disagreeable 

 odour, which is perceptible even years after the death of the insect. 



467. Papilio (Byasa) philoxenus, Gray. 



Common at the same elevations and times of year as P. dasarada, 

 Moore. It occurs also in Siam, Western and Central China. 



468. Papilio (Panosmiopsis) ehetenoe, Westwood. 



Occurs from April to October, and from the level of the Terai up 

 to 6,000 feet. Both sexes are rare, the female, which is tailed, 

 especially so. It is found in Western and Central China. 



469. Papilio (Panosmiopsis) janaka, Moore. 



Rare, found from 3,000 to 5,000 feet in May and June. Mr, 

 Wood-Mason described this species under the name of P. sikkimensis. 



470. Papilio (Menelaides) aristolochi^, Fabricius. 



An insect of the plains, but occurs commonly in the lower valleys 

 throughout the warm months. It is widely distributed in China. 



471. Papilio (Achillides) paris, Linnteus. 



Very common from the Terai up to 5,000 feet, and flies all 

 through the year except during the three coldest months. It is 

 common in Western China. 



472. Papilio (Achilhdes) keishna, Moore. 



Occurs from May to August, from 3,000 to 9,000 feet. It is not 

 uncommon on Senchal, and occurs in Western China. 



