LEPIDOPTERA HETEROCERA. 119 



fore tarsi with slightly clavate joints ; hind tibiae with four long 

 spurs. Wings elongate, moderately broad. Fore wings hardly 

 acute ; costa almost straight ; exterior border slightly convex, mo- 

 derately oblique; interior border with a squamous tuft in the 

 middle. 



1. ZlZA OSTENTALIS. 



Mas. Cinereo-ferruginea ; alee, anticce nigro substrigatce, lineis 

 duabus albis fiexis subduplicatis, gutta discali alba nigro 

 marginata, lunulis marginalibus nigris exparte albido mar' 

 ginatis, punclis tribus costalibus subapicalibus albis ; posticm 

 fuscescente-cinerea. 



Male. Cinereous-ferruginous. Fore wings slightly and irre- 

 gularly streaked with black ; interior and exterior lines white, irre- 

 gular, bent, mostly double; marginal lunules black, some of them 

 whitish-bordered on the inner side ; a white black-bordered discal 

 dot on the inner side of the exterior line ; three white costal points 

 near the tip ; tuft on the interior border mostly black. Hind wings 

 brownish cinereous. Length of the body 5 lines ; of the wings 10 

 lines. 



Sarawak, Borneo. In Mr. Saunders' collection. 



Genus 67. SYRBATIS. 



Teem. Corpus laeve, gracile. Proboscis bene determinata. 

 Palpi robusti, arcuati, oblique ascendentes, verticem non super- 

 antes ; articulus 3us brevissimus. Antennae longiusculae, sat validae. 

 Abdomen longissiinum, apicem versus corapressum, setis nonnullis 

 longis apicalibus. Pedes longi, graciles ; tarsi longissimi ; tibiae 

 posticae calcaribus duobus apicalibus. Alae anticae longae, angustae, 

 acutae, angulo interiore valde rotundato. 



Female. Body smooth, slender. Proboscis distinct. Palpi 

 stout, curved, obliquely ascending, not risiug so high as the vertex; 

 third joint very short. Antennae smooth, rather long and stout. 

 Abdomen extremely long, attenuated and compressed towards the 

 tip, with a few long and slender apical bristles. Legs smooth, long, 

 slender ; tarsi very long ; hind tibia? with only one pair of spurs, 

 which are apical and of moderate length. Wings long, narrow, 

 thinly clothed. Fore wings acute ; costa straight ; exterior border 

 extremely oblique ; interior angle extremely rounded. 



