1892.] ON BUTTERFLIES FROM THE NAGA HILLS, ETC. 617 



to a foliated tree, having a stony kernel. They were often observed 

 foraging in company vrith Hylobates syndactylus, but with this excep- 

 tion they were never seen along with other Monkeys. 



One individual, which was taken alive, proved to be wild and 

 untamable. 



3. On Butterflies collected by Mr. W. Doherty in the Naga 

 and Karen Hills and in Perak. — Part 11.^ By Henry 

 J. Elwes, F.Z.S. 



[Eeceived December 5, 1892.] 



(Plates XLIII. & XLIV.) 



Fam. Lyc^nid^e. 

 Gerydus symethus. 



Pap. symetlms. Cram. Pap.. Ex. ii. t. cxlix. B, C (1777). 



Gerydus symethiis^ Butt. Ind. iii. p. 22. 



Symetha pandu, Horsf. Cat. E. I. C. ii. 2 a, b (1828). 



1 Miletus sincheni, Feld. Reise Nov. p. 284, t. 35. fig. 34. 



Specimens from Perak, as well as others from Pulo Laut, Borneo, 

 have a bluish tinge, which is not evident in Javan examples, and 

 both sexes are much darker on the wings than specimens from 

 Nias, which may be a local race, though they agree on the underside. 



I cannot see how to distinguish M. zinckeni, Feld., from Java. 



Gerydus biggsii. 



? Gerydus biggsii, Dist. Rhop. Mai. p. 206, t. xxii. 12 $ (1884) ; 

 Butt. Ind. iii. p. 24. 



? Gerydus gopara, de Niceville, Butt. Ind. iii. p. 25 c? (1890) ; 

 id. Journ. Bomb. Nat. Hist. Soc. vol. v. p. 208. n. 8, pi. E. figs. 1 

 cJ, 2 $ (1890). 



Several specimens from Perak agree with others from Sumatra, 

 Nias, and Pulo Laut, one of which is marked biggsii $ by Doherty. 

 I have little doubt that these are the same species as de Niceville 

 described from Perak, which he distinguishes from biggsii (of which 

 he had not seen the type) by the distinctness of the markings below. 

 Neither Distant's figure nor his description is clear enough to identify 

 his species, which came from Malacca; and there is some variation 

 in the markings of both the upper and underside among my 

 specimens. 



Gerydus heracleon. 



Gerydus heracleon. Dob. J. A. S. B, Ix. pt. ii.no. 1, p. 36 (1891). 

 The type of this species, from Perak, is like the last but larger, 

 and with the markings below more like those of G. symethus. 

 1 For Part I. see P. Z, S. 1S91, p. 249. 



