AMERICAN LEPIDOPTERA. 297 



9 Fore wings with no accessory cell, or one only 10. 



Fore wings with two accessory cells 11. 



10. Abdomen of % tufted laterally at end 8 Synelys. 



Abdomen of ^ not tufted laterally at end 13. L.eptoilieris. 



11. Fore wings extended, acute; hind wings strongly angulate 2. Pigia. 



Fore wings uomial ; hind wings rounded 12. 



12. Hind wings with fringe of hairs beneath at base of vein 8. 



11. Scelolophia. 

 Hind wings with no such fringe 12. Cliaroiiiinatsea. 



13. Hind tibise of % with end spurs present 15. I<:inniiltis. 



Hind tibise of % with end spurs absent 14. 



14. Antennae of % bipectinate 9. Xystrota. 



Antennae of "J, not bipectinate 15. 



15. Middle and hind legs fringed with hairs 16. Pteuopoda. 



Middle and hind legs not fringed with hairs 16. 



16. Hind wings of % with hair fringe along inner margin 17. 



Hind wings of % without such fringe 18. 



17. Fore wings 8 veined 19. Goiiiacidalia. 



Fore wings 12 veined 18. Lophosis. 



18. Hind wings rounded inwardly at vein 5 3. Eiiacidalia. 



Hind wings not rounded inwardly at vein 5 14. EoiN. 



1. CAL,OTHYSA»fIS Hiib. 



Verz. 301, 1818 (Erastria Hiib., Tentamen 1810). 



Type amata Linn. 



Bradypetes Steph., Cat. 128, 1829, type amata L. 

 Timandra Dup., Hist. Nat. viii, 224, 1829, type amata L. 



Palpi short, slender ; face fla^t ; tongue developed ; antennae strongly 

 bipectinate ; hind tibise with two pairs of spurs in both sexes ; fore 

 wings, one accessory cell, 12 veins, 6 separate, 11 from cell; hind 

 wings, 8 veins, 6 and 7 separate or stemmed, 8 shortly joined with 

 cell near base then rapidly diverging. 

 Species. — C amaturaria Wlk. 



C. viridipennaria Guen. 



' 2. PIGIA Guen. 

 • Phal. ii. 19, 1857. 



Type tergeminaria H.-Sch. 



Palpi moderate, porrect, rather stout ; tongue developed ; front 

 flat, narrow ; antennte of % simple, with fine fascicles of hairs, 4 on 

 each segment ; hind tibise of % without spurs, swollen, with strong 

 hair pencil, tarsi nearly aborted ; hind tibise of 9 Avith two pairs 

 of spurs ; fore wings, 12 veins, two accessory cells, 6 separate ; hind 

 wings, 8 veins, 3 and 4 separate, 6 and 7 separate or stemmed, 8 



TRANS. AM. KNT. SOC. XXIII. (38) ,SEPTPJMBER. 1896. 



