LEPIDOPTERA HETEROCERA. M7!> 



Legs rather slender; hind tibiae with two small apical spurs. 

 Wings rather long and narrow. Fore wings straight along the 

 costa, rounded at the tips, formed like those of Pcpcilocamp*, u> 

 which this genns is nearly allied ; second inferior vein about thrice 

 further from the third than from the first; third as far from 

 the second as from the fourth. 



1. Gasina albicollis. 



Foem. Fusco-cinerea ; thorax antice albo fasciatus ; alee sub- 

 hyalince, anticcc basi lanuginosa, apud costam ahieantcs, ma- 

 cula discall nigricante. 



Female. Brownish cinereous. Thorax with a white band 

 along the fore border. Wings slightly hyaline. Fore wings towards 

 the base with woolly hair, especially along the costa, where the hair 

 is white and curly; a blackish spot at the tip of the discal areolet. 

 Length of the body 7 lines ; of the wings 20 lines. 



a. Para. From Mr. Stevens' collection. 



Genus 23. TRIG H JURA. 



Corpus robustum autcrassuro. Palpi breves, pilosissirai, caput 

 non superantes. Antennae thorace paullo longiores. Abdomen 

 apice valde pilosum. Pedes pilosissimi ; tibia? posticae calcaribus 

 duobus apicalibus minimis. Ala? lata?, non longae ; antics apud 

 costam rectse, apice subrotundatae, margine exieriore vix oblique 

 ,>Mas. — Antennas late pectinate. Abdomen robustum alas postieas 

 vix superans. Fcem. — Antennae subpectinaiae. Abdomen crassum, 

 alas postieas perpaullo superans. 



Trichiura, Steph. III. Brit. Ent. Haust. ii. 42. 

 Phalaena-Bombyx, p., Linn. ; Gmel. ; Don. ; Stew. ; Turt. 



.Pbalaena, p., Beg. 



iBombyx, p., Fabr. ; Oliv. ; H'ubn.; Borkh.; Haw.; God.: 

 Boisd. ; See. 



jClisiocampa, p., Curt. 



(Gastropacha, p., Ochs. ; Herr.-Schaff. 



jDiapbone, p., H'ubn. Verz. Schmett. 188. 



JLasiocampa, p., Meig. 



Body robust or thick. Palpi short, very pilose, not extending 



.'beyond the head. Antennae a little longer than the thorax. Abdo- 

 men very pilose at the tip. Legs very pilose; hind tibia- with. two 

 very minute apical spurs. Wings broad, rather short. Tore \\ ' 



:) l' 8 



i 



