G42 ON LEPIDOPTERA FROM BILLITON. [June 4, 



HETEROCERA. 

 Fam. Sphingid^e. 

 Subfam. Ch^rocampin^;. 

 Chcerocampa suffusa, Walk. List Lep. Brit. Mus. Het. pt. viii. 

 p. 146 (1856). 



The type was obtained at Hong-Kong. Mr. Moore tells me he 

 has specimens from Borneo. 



Fam. LithosiidjE. 

 Hypsia silvandra, Cr. 



Phalcena {Bombyx) silvandra, Cram. Pap. Exot. iv. pi. 369. f. D 

 (1782). 



Fam. SATCRNIIDiE. 



AntherjEa billitonensis, Moore, n. sp. 



Male. Upperside pale purplish ferruginous, suffused with grey on 

 external borders ; ocelli oval, denned by a narrow dusky line, blind, 

 outer half bordered within by a narrow yellow line and a central 

 transverse line : fore wing with the area within and below the cell 

 brighter ferruginous ; apex yellowish ; an oblique discal, pale ferru- 

 ginous, narrow luuular band, bordered within by a dusky lunular 

 line and without by a straight dusky line; a dusky black streak 

 crossing the middle of the cell, and another from its base to the hind 

 margin : hind wing with the base brighter ferruginous ; a dusky- 

 bordered, pale yellowish, transverse, discal, sinuous band, the dusky 

 border encircling the ocellus and terminating on abdominal margin 

 above end of sinuous band. Body bright ferruginous. 



Expanse 4| inches. 



Hah. Billiton Island, Malay archipelago. In coll. H. Druce. 



Nearest allied to A. frithii, from Darjiling. 



Fam. ErebidjE. 

 Nyctipao crepuscularis. 



Phalcena (Attacus) crepuscularis, Linn. Syst. Nat. 2811. 13; 

 Clerck, Icon. pi. 53. f. 1-4 ; Drury, Ins. i. p. 37, pi. 20. f. 1, 2. 

 A species frequently sent from Hindostan. 



Fam. HypopyridjE. 

 Hypopyra feniseca. 



Hypopyra feniseca, Gue'n. Noct. iii. 200. 1599 (1852). 

 In the British Museum, from Silhet. 



Tribe Uranides. 

 Fam. Nyctalemonid*. 

 Nyctalemon docile, Butler, in litt. 

 Very closely allied to Nyctalemon hector, White, from Borneo, 



