LEPIDOPTERA HETEROCERA. 411 



Genus 44. GYNAUTOCERA. 



Corpus sat gracile, sublineare, fere cylindricum, longitudine 

 mediocri. Caput antice conicum. Palpi capite multo breviores ; 

 ariiculus 3us acuminatus, minimus. Antennae filiformes, maris den- 

 sissime et latissime pectinatae, fcemince medioeriter pectinatae. Ab- 

 domen maris alarum raargines posticos attingens, fcemince brevius. 

 Pedes graciles ; tibiae posticae calcaribus duobus minutis apicalibus. 

 Ala? anticae subfusiformes, longae, angustae, maris posticis duplo lon- 

 giores ; vena? quatuor superiores, 2a trifurcata ; quatuor inferiores, 

 la et 2a basi contiguae. 

 Gynautocera, p., GiUr. Mag. ZooL 12, 1830. Westiu. Arcana Ent. 



19. 



Body rather slender, nearly linear and cylindrical, of moderate 

 length. Head prominent and conical in front. Palpi much shorter 

 than the head ; third joint pointed, very small, less than one-fourth 

 of the length of the second. Antennae filiform, very thickly and 

 deeply pectinated in the male, moderately pectinated in the female. 

 Abdomen of the male extending as far as the hind wings, that of 

 the female shorter. Legs slender ; hind tibiae with two minute api- 

 cal spurs. Fore wings subfusiform, long and narrow, twice the 

 length of the hind wings in the male ; rather shorter in the female ; 

 four superior veins, second trifurcate ; four inferior veins, first and 

 second almost contiguous at the base. 



1. Gynautocera paptlionaria. 



Corpus nigrum, vertice rubra, lateribus miniatis ; alee atrce, anticce 

 subfalcatce, posticce disco macula alba suturis divisa in medio 

 disco, singula subtus in basi maculis miniatis. 



Gynautocera papilionaria, Guerin, Mag. ZooL 12, 1830. Westw. 

 Arcana Ent. 19. 



Bengal. 



a. Silhet. Presented by E. Doubleday, Esq. 



b, c. Silhet. From Mr. Sowerby's collection. 



* d. Nepaul. Presented by Major-General Hardwicke. 



Genus 45. HISTIA. 



Corpus gracile, liueare, cylindricum, sat longum. Caput con- 

 vexum, non conicum. Palpi capite multo breviores; articulus 3us 



2 O 



