32 LEPIDOPTERA INDICA. 



Habitat. — Sikkim; Bbotan ; Assam; Clievra Pungi ; Khasias ; Manipur ; 

 Burma; Upper Teuasserim. 



Distribution. — Mr. H. J. Elwes records it as " not uncommon in Sikkim, in 

 certain places, up to 4,000 feet elevation, from May to October " (Tr. Bnt. Soc. 1888, 

 414). We possess both sexes from Bhotan. Col. C. Swinhoe observes "common 

 ill the Kbasia Hills " (Tr. Ent. Soc. 1893, 308). Specimens from Manipur, taken bj 

 Dr. G. Watt, are in the Britisb Museum. Col. C. H. B. Adamson writes, " this is a 

 rare butterfly in Burma. I have only seen one specimen, which I captured in April 

 at Tounggya Sekkan " (List, p. 42). Mr. T. A. Hauxwell obtained " a single male 

 on the Taungoo Hills, 4,000 feet elevation, in May, and since this another in the 

 Chindwin Valley " (.J. Bombay N. H. S. 1899, 334). Col. C. T. Bingham has a 

 single specimen, taken at Taungjah, Daunat Range in April. Capt. E. Y. Watson 

 obtained two specimens in the Chin Hills, 3,000 feet elevation in the rainy season " 

 (J. Bombay N. H. S. 1897, 671). Dr. Leonardo Fea took it in the Karen Hills, in 

 August. 



Indo-Malayan and Chixa Species. 



Dercas VerhuelUi (Colias Verbuellii, Van der Hoeven, Tijd. voor Nat. Gesch. en 

 Phys. v. p. 341, pi, 8, fig. 3, 3a ? (1839). Dercas Verbuellii, Pruhstorfer, Dents. 

 Ent. Zeit. Iris, 1902, p. 275 ; id. Soc. Ent. 1903, p. 25. Foreioing with the apical 

 patch in both sexes longitudinally longer and transversely narrower than in 

 D. DouUedayi. Habitat. S. China ; Hongkong. 



Dercas SlcertcMi/i, de Niceville, Ann. ISTat. Hist. 1898, p. 481, c? ? . "Differs 

 from VerhuelUi, in the forewing lacking on both surfaces the large apical patch. In 

 Skertchhji the costa from about the middle to the apex of the wing, and thence as 

 far as the termination of the first median nervule, has a narrow black border of about 

 equal breadth throughout. Otherwise the two species do not differ. This cannot be 

 a seasonal form of Verbuellii, as both species fly together in Hongkong in May, 

 which is the only month in which Mr. E. F. Skertcbly has obtained it. It seems to 

 be fairly common in the Island." Hahitat. Hongkong. 



Dercas difformis, de Niceville, Ann. Nat. Hist. 1898, p. 483, c??. Si/ii. 

 D. Wallichii, Leech, Butt, of China, &c. p. 445, pi. 35, fig. 3 c? (1893). D. Enara, 

 Swinhoe, Ann. Nat. Hist. 1899, p. ]07, c? ? . Habitat. C. and W. China. 



Dercas Guhrias (Gonepteryx Gobrius, Hewitson, Trans. Ent. Soc. 1864, p. 246, 

 pi. 16, fig. 1 6. Bntler, Pr. Zool. Soc. 1865, p. ^32, pi. 25, fig. 4 c?. Vollenhoven^ 

 Mon. Pieridfe, p. 63 (1865). Druce, P. Z. S. 1873, p. 356. Dercas Gobrias, 

 Wallace, Tr. Ent. Soc. 1867, p. 398. Distant, llhop. Malay, p. 308, pi. 26, fig. 18 <S 

 (1885) ; id. Ann. Nat. Hist. 1887, p. 271. de Niceville, Journ. As. Soc. Bengal, 1896, 

 p. 500; nf. Ann. Nat. Hist. 1898, p. 481. Habitat. Malay Peninsula ; Sumatra; 

 Borneo ; ? Java. 



