﻿LEPIDOPTERA HETEROCERA. 1671 



Dandaca BIFORMIS. 



Mas. Pallide viridis, subtus cervina ; ciput et thorax anticm 

 cervina ftt-sco varia ; abdomen cervinum^ basi supra vlride ; 

 alee anticcB plagis tribus ceroinis nigro-fusco ex parte mar* 

 ginatis, una interiore, 2a apicali viridi maculafa, 3a postica, 

 linea media angulosa nigro-fusca apud costam dilatata^ 

 lunulis marginalibus obscure fuscis : posticce testacece, fasco 

 late marginatcB. 



Male. Pale green, fawn-colour beneath. Head and fore part 

 >f the thorax fawn-colour, varied with brown. Palpi with a brown 

 nark on the outer side. Abdomen fawn-colour, pale green above 

 owards the base. Fore win^^s with three fawn-coloured patches, 

 rregularly and partly bordered with blackish brown ; one near the 

 )ase, one at the tip, and one by the interior angle; a blackish 

 )rown zigzag middle line, dilated on the costa, where there is a 

 )rown dot on each side of it; two black dots between the hind patch 

 md the apical patch, which contains a green spot; marginal 

 unules dark brown, each accompanied by a brown mark on the 

 Vinge. Hind wings testaceous, with broad brown borders. Length 

 )f the body 8 lines ; of the wings 20 lines. 



This insect differs very much from D. eurycklora but may be 

 the male of that species. 



I. Sarawak, Borneo. From Mr. Wallace's collection. 



Page 151. 



1. Betusa Chera. 



N"octua Chera, Drury^Exot. Ins. ii. 36, pi. 20, f. 4. 

 Betusa Phasianus, Cat. Lep. p. 151. 



a. Rio Janeiro. From Mr. Stevens' collection. 

 h. Ega. From Mr. Bates' collection. 



Surinam. 



Genus GISCALA. 



Mas. Corpus robustum, pilosum. Proboscis brevis. Palpi 

 arcuati, dense pilosi, usque ad verticem ascendentes, fascicnlo 

 apicali longissimo. Antennae selaceae, sat late pectinatae, corporis 



