LEPIDOPTERA HETEROCERA. 941 



Nearly allied to P. lithodactylus. Male. — Very pale brown. 

 Fore wings "with a very broad oblique whitish band, which com- 

 mences at a little beyond the middle, and includes two black streaks ; 

 first streak oblique, subapical, brown towards the costa, which it 

 joins ; second streak, short, slender, near and parallel to the terminal 

 part of the interior border. Length of the body 6 lines; of the 

 wings 16 lines. 



a. Arctic America. Presented by Sir J. Eichardson. 



41. PtEROPHORUS HOMODACTYLUS. 



Mas. Albidus, gracillimus ; antenna subpubescentes ; abdomen 

 longissimum; alee antica perangusta, lanceolate, lituris 

 nullis. 



Allied to P. osteodactylus. Male. — Whitish, very slender. 

 Antennae very minutely pubescent. Abdomen very long. Le^s 

 very slender. Wings very narrow. Fore wings lanceolate, with- 

 out any markings. Length of the body 7 lines ; of the wings 

 14 lines. 



a. United States. Presented by E. Doubleday, Esq. 



West Indies. 

 42. Pteeophorus agraphodactylus. 



Foem. Pallide testaceus ; pedes albi ; alee anticce albida, lineis 

 quinque longitudinalibus pallide testaceis* 



Allied to P. osteodactylus. Female. — Pale testaceous, slender. 

 Antennae and legs white. Fore wings whitish ; two pale testaceous 

 longitudinal lines extending from the base of the wing ; one sub- 

 costal, the other near the interior border; three other pale testaceous 

 lines commencing in the disk at a little before half the length, one 

 in front, the other two behind the cleft of the wing. Length of the 

 body 7 lines ; of the wings 14 lines. 



a. St. Domingo. From Mr. Tweedie's collection. 



43. Pterophorus aspilodactylus. 

 Mas. Albidus ; ala anticce basi pallide testacea, lituris nullis. 



