LEPIDOPTERA HETEROCERA. 1439 



Group 1. 



Mas. Corpus robustum. Palpi validi, porrecti, pilosi, caput 

 paullo superantes. Antenna? late et densissime pectinata?, thorace 

 longiores. Abdomen alas posticas paullo superans. Alaj sat latae, 

 apud costam recta?, apice rotundatae, margine exteriore subrecto 

 mediocriter obliquo. 



Male. Body stout. Palpi stout, porrect, very pilose, extending 

 a little beyond the head. Antenna? longer than the thorax, deeply 

 and very thickly pectinated, and consequently with very numerous 

 joints. Abdomen extending for one-fourth of its length beyond the 

 hind wings. Legs stout, pilose ; hind tibia? with two minute apical 

 spurs. Wings rather broad. Fore wings straight in front, rounded 

 at the tips, nearly straight and moderately oblique along the exterior 

 border. 



18. Lasiocampa trifascia. 



Mas. Cervina ; alee subtus bifasciata, anticce supra trifasciata. 



Male. Fawn-colour. Wings beneath with two darker bands, 

 which have somewhat paler exterior borders. Fore wings with 

 three paler oblique bands, whose exterior sides are somewhat darker. 

 Length of the body 1 1 lines ; of the wings 22 lines. 



a. North Bengal. Presented by W. W. Saunders, Esq. 



19. Lasiocampa re mot a. 

 Foem. Albido-cervina ; alee antica fasciis tribus obliquis subun- 

 undulosis vix distinctis pallide fulvis ; posticce vix fasciaUr. 

 Female. Pale whitish fawn-colour. Head slightly prolonged. 

 Palpi extending rather beyond the head. Antennas white, minutely 

 pectinated; branches fawn-colour. Fore wings with three indis- 

 tinct oblique somewhat undulating pale tawny bands, the exterior 

 one darker and more diffuse than the others ; exterior border very 

 oblique, hardly convex. Hind wings with hardly apparent bands 

 Length of the body 1 1—14 lines ; of the wings 30—40 lines. 

 L Shanghai, North China. From Mr. Stevens' collection. 

 b. ? 



PART VI. 



3m 



