LEPIDOPTERA HETEROCERA. 373 



colour; fringe whitish. Length of the body 4 lines; of the wings 



10 lines. 



a. Georgia. From Mr. Milne's collection. 



Var. Male and female. Fore wings with the fourth line 

 broader, its disk paler in front and of the ground hue hiudward ; 

 fifth and sixth lines interrupted, the sixth broader. 



b 9 c. ? 



13. Retinia argyrospila. 



Fcera. Rufescem ; caput ochraceum ; abdomen cinereum ; alee 

 antica apice rectangulata, strigis nonnullis nigris transversis 

 subundutatis, spatio postico fasciisque indeterminatis argenteo- 

 cinereis, lituris tribus costalibus argenteo-albis ; posticce fus- 

 cescente-cinerece. 



Female. Reddish, cinereous beneath. Head ochraceous. 

 Palpi porrect, broad, extending very little beyond the head; third 

 joint extremely short. Abdomen cinereous, extending a little 

 beyond the hind wings. Fore wings rectangular at the tips, with 

 several transverse slightly undulating black streaks ; space along 

 the interior border and some incomplete irregular bands silvery 

 cinereous; costa straight, with three large silvery white marks; ex- 

 terior border slightly oblique hindward. Hind wings brownish 

 cinereous. Length of the body 3^ lines ; of the wings 10 lines. 



a. Georgia. From Mr. Milne's collection. 



14. Retinia septentrionana. 

 septentrionana, Curt. 

 a, b? Arctic America. Presented by Sir J. Richardson. 



Genus PENTHINA. 



North America. 



73. Penthina similisana. 



Mas. Fusca, subtus pallide cinerea ; ala antica albidce, acutce, 

 fasciis duabus latis nigricante-fuscis, lituris noiinullls inter- 

 mediis fuscis, lituris par vis costalibus nigricanlibus ; posticae 

 sordide cinerea* 



12 



