LEPIDOPTERA HETEROCERA. 149 



1. Elibia Dolichus. 

 Obscure fusca, subtus pallidior, vitta dorsali paltide flava ; alee 

 anticce macula discali lineisque plurimis obliquis subparal- 

 lelis testaceis ; posticce obscure fuscce, antice glaucce, ciliis 

 inter venas testaceis. 

 Chaerocampa Dolichus, Westw. Cab. Orient. Ent. 61, pi. 30, f. 1. 



Dark brown, pale beneath, with a pale yellow dorsal stripe ex- 

 tending from the head to the tip of the abdomen. Fore wings with 

 a black discal spot, and covered with oblique nearly parallel testa- 

 ceous lines. Hind wings dark brown, glaucous in front; ciliae 

 whitish between the veins. Length of the body 22 — 24 lines ; of 

 the wings 46 — 50 lines. 



a. Silhet. From Mr. Sowerby's collection. 

 6, c. Silhet. Presented by E. Doubleday, Esq. 



Genus 16. PERGESA. 



Corpus sat robustum. Proboscis longa. Antennae graciles, 

 filiformes, thovace paullo longiores. Abdomen oblanceolatum, iho- 

 race plus duplo longius. Pedes longi, graciles ; tibiae posticae cal- 

 caribus quatuor longis. Alae longiusculae, mediocriter lata?, mar- 

 gine exteriore subdenticulato ; anticae acuminata?, apud costam 

 vix convexae, margine exteriore sat obliquo, vix undulato, apiceni 

 versus emarginato ; posticae apice rotundatae. 



Deilephila, p., Ochs. ; Boisd.; Steph. 



Chaerocampa, p., Westw. ; Steph. 



Theretra et Oreus, p., Hubn. Verz. Schmett. 135, 136. 



Body moderately stout. Proboscis long. Palpi as usual. 

 Antennae slender, filiform, rather longer than the thorax. Abdo- 

 men oblanceolate, more than twice the length of the thorax. Legs 

 long, slender ; hind tibia? with four long spurs. Wings rather 

 long, moderately broad, very slightly denticulated along the exte- 

 rior border. Fore wings hardly convex in front, acuminated ; exte- 

 rior border rather oblique, very slightly undulating, its fore part 

 very slightly concave ; second inferior vein not further from the third 

 than from the first ; third full thrice further from the fourth than 

 from the second. Hind wings rounded at the tips. 



o 3 



