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 substrigatee , lineis 
duabas albis flexis subduplicatis , gulta discali alba nigro 
mar g inala, lanulis marginalibus nigris exparte albido mar - 
ginatis , punctis tribus costalibus subapicalibus albis ; posticce 
fuscescente-cinerece. 
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 lip ; 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. 
Fcem . Corpus laeve, gracile. Proboscis bene determinata. 
Palpi robusti, arcuati, oblique ascendentes, verticem non super- 
antes ; articulus 3us brevissimus. Antennae longiusculee, sat validae. 
Abdomen longissimum, apicem versus compressum, 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 rising 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 tibiae 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. 
