164 NOCTUIDJS. 



c 7 . Thorax with a slight tuft behind 

 the collar and paired tufts on 

 metathorax. 



a s . Palpi porrect 47. Auchmis *, p. 283. 



b 8 . Palpi upturned. 

 a d . Palpi with the 2nd joint not 

 reaching vertex of head, the 



3rd short 21. Euplexia, p. 207. 



6 9 . Palpi with the 2nd joint 

 reaching vertex of head, the 



3rd long , 22. Ancara, p. 223. 



d 7 . Thorax without tufts behind 



the collar and only the nieta- 



thoracic tufts. 



a 8 . Fore tibise with large tufts of 



hair. 



a 9 . Fore wing with no tuft of 



scales at outer angle 35. Spodoptera, p. 248. 



Z> 9 . Fore wing with a tuft of scales 



at outer angle. 

 a 10 . Hind wing with the outer 

 margin slightly excised 



below apex 39. Callopistria, p. 253. 



b 10 . Hind wing with the outer 



margin evenly curved .... 40. Elusa, p. 257. 

 b 8 . Fore tibiae smoothly scaled. 

 a 9 . Hind wing with the disco- 



cellulars nearly straight. ... 34. Prodenta, p. 247. 

 6 9 . Hind wing with the disco- 



cellulars highly angled .... 36. Calogramma, p. 249. 

 e 1 . Thorax without tufts. 

 a 8 . Fore wing long and narrow . . 23. Magusa, p. 226. 

 b 8 . Fore wing short and quadrate. 

 a 9 . Fore wing with veins 8 and 9 

 anastomosing to form an 



areole 38. Berresa, p. 252. 



b d . Fore wing with veins 7, 8, 9, 



10 stalked 41. Arboricornus, p. 258. 



c 8 . Fore wing short, but more pro- 

 duced at apex 37. Amyna, p. 250. 



¥, Abdomen without dorsal tufts. 

 a 7 . Frons with a trilobate corneous 



process 31. Mudaria, p. 245. 



b 7 . Frons without a corneous pro- 

 cess. 

 a 8 . Thorax with a high sharp crest 

 behind the collar. 

 a 9 . Fore wing with the cilia 

 slightly crenulate ; the palpi 



short 5. Xanthia, p. 170. 



6 9 . Fore wing with the cilia pro- 

 duced to points at the veins ; 

 the palpi very long 6. Elwesia, p. 171. 



* In A. polyodon there are sometimes a few spines at the end of the mid 

 tibia. 



