ARCTIID^. 



Key to the Genera. 



a. Fore wing with veins 7, 8, 9, 10 stalked. 

 a . Fore wing with vein 11 quite separate 



from 10. 

 a 2 . Hind wing with veins 3 and 4 from 

 cell. 

 a 3 . Hind wing with veins 6 and 7 from 

 cell. 

 a 4 . Hind tibiae with two pairs of 

 spurs. 

 a 5 . Fore wing rather long and 

 narrow. 

 « R . Palpi extending slightly be- 

 yond the frons. 

 a 7 . Wings covered with well- 

 formed scales. 

 a 8 . Fore wing with the 

 outer margin some- 

 what erect 1. 



b 8 . Fore wing with the 

 outer margin obliquely 



rounded 6. 



b 7 . Wings clothed with hair- 

 like scales and slightly 



diaphanous . . 2. 



6 6 . Palpi not extending beyond 

 the frons. 

 a 7 . Head clothed with long 



hair 4. 



b 7 . Head smoothly scaled . . 5. 

 c 6 . Palpi extending far beyond 



the frons . 7. 



b'°. Fore wing short and broad . . 3. 

 5 4 . Hind tibiae with one pair of spurs. 

 a 5 . Palpi extending beyond the 



frons 8. 



b 5 . Palpi extremely minute .... 9. 

 b*. Hind wing with veins 6 and 7 

 stalked. 

 # 4 . Hind wing with the inner margin 



nearly straight 10. 



6 4 . Hind wing with the inner margin 



very short and rounded 12. 



b 2 . Hind wing with veins 3 and 4 stalked. 11. 

 b' . Fore wing with vein 11 almost or quite 

 touching 10. 

 a 2 . Hind wing with veins 6 and 7 from 



cell 13. 



b 2 . Hind wing with veins 6 and 7 stalked. 14. 



b. Fore wing with vein 9 arising from 10 and 



anastomosing with 8 to form an areole . 15. 



c. Fore wing with vein 10 arising from the 



cell. 



a'. Fore wing broad and ample 10. 



b'. Fore wing narrow 17. 



Spilosoma, p. 3. 

 Alphjea, p. 20. 

 Thyrgorina, p. 11. 



OCNOGYNA, p. 18. 



Pangora, p. 19. 



Areas, p. 24. 

 Arctia, p. 15. 



Oreatonotus, p, 26. 

 Phissama, p. 29. 



Nicea, p. 30. 



Camptoloma, p. 31. 

 LeucoparduS; p. 31. 



Moorea, p. 32. 

 Calpenia, p. 33. 



Callimorpha, p. 34. 



Axiopcena, p. 37. 

 Pelochyta ; p. 38 



