PA PILIONINjE. 
215 
broader and tinged with yellowish.-ochreous. Abdomen with lateral white streaks 
and white spots beneath. 
Expanse, d 3J to 4f, ? 5 to 5J inches. 
Habitat. —Nepal; Sikkim; Assam; Oachar ; Khasias ; Burma; Shan States; 
Siam ; Tonkin. 
Distribution. —We possess a male from Nepal, taken by the late Den. GL 
Ramsay. Mr. H. J. Elwes says it is “ not uncommon in the low valleys of Sikkim, 
and is often seen flying up and down the course of the rivers, in company with 
Helenus and many other species, from April on till October” (Tr. Ent. Soc. 1888, 
429). Col. C. Swinhoe records it “ common in the Khasia Hills ” (Tr. Ent. Soc. 
1893, 812). Mr. J. Wood-Mason obtained three males at Irangmara, Cachar, from 
July 25th to August 6th” (J. A. S. Bengal, 1886, 375). Col. C. H. E. Adamson 
says it is “ widely spread throughout Burma, except in the hot plains” (List, 1897, 
47). Capt. E. Y. Watson found it in the “ Chin Hills, occurring rarely, in company 
with Helenus , during the dry season, January to June” (J. Bombay N. H. S. 1897, 
671). Mr. Elwes records “ two males from Ponsekai, Tavoy ” (J. A. S. Beng. 1886, 
436). Dr. N. Manders found it “not so common, in the Shan States, as Helenus , 
but occurring in the same localities” (Tr. Ent, Soc. 1890, 536). 
Of our illustrations on Plate 457, fig. 1 and la are from Pegu males, lb, Burma 
male, lc, Nepal male, and Id, female from Sikkim. 
SADENGIA PREXASPES (Plate 458, fig. 1, la, g, lb, e, ? ). 
Papilio Prexaspes, Felder, Verb. Z. B. Ges. Wien, 1864, p. 320; id. Reise Novara Lep. i, p. 107, 
pi. 15, fig. D (1865). Batter, Trans, Linn. Soc. Lond. Zool. i. p. 553 (1877). Oberthlir, Etud. 
Ent. iv. p. 46 (1879). Wood-Mason and de Niceville, Journ. As. Soc. Bengal, 1881, p. 254, $ . 
Distant, Rhop. Malay, p. 345, pi. 29, fig. 2, g (1885). 
Papilio fuscus Prexaspcs, Rothsehild, Nov. Zool. ii. p. 297 (1895). 
Imago.— Male. Upperside fuliginous-black ; cilia alternated with white. Forewing 
irrorated from the base with golden-yellow scales forming longitudinal cell and outer 
vein streaks; and with a posterior small broken-cluster of whitish scales before the 
angle. Hindwing with an upper-discal large creamy-white or pale yellow patch 
divided by the black veins, composed of four portions, and a lower contiguous very 
small cluster of similar coloured scales in the upper median interspace, the third 
portion sometimes extending to wdthin apex of the cell ; lower-discal area traversed by 
more or less very sparsely irrorated with lunularly-disposed golden-yellow scales, those 
above the anal angle being pale blue. Underside paler. For Giving with the irrorated 
cell-streaks slender, the vein-streaks being restricted medially across the outer area, 
decreasing in length and more or less obsolescent, or obsolete hindward, where there 
