t> NOCTUIDJS. 



6*. Palpi with the 3rd juint short. 

 a®. Prothorax with dorsal ridge-like 



crest CiiABUATA, p. 259. 



b^. Prothorax with spreading crest, 

 a'". Thorax clothed chiefly with hair- 

 like scales Hyssia, p. 278. 



i'°. Thorax clothed almost entirely 



witli hair Cirpiiis, p. 478. 



i''. Abdomen witiiout dorsal crests. 

 a'. Thorax clothed chiefly with hair-like 

 scales ; fore wing with the termea 



erect, rounded Eriopyga, p. 291. 



b^. Thorax clothed almost entirely with 

 hair ; fore wing with the termeu 



obliquely curved Bobolia, p. 555. 



c^. Thorax clothed with hair only. 

 a''. Abdomen with dorsal series of crests. 

 a". Pro- and metathorax with spreading 



crests Nepiielodes, p. 356. 



6*. Pro- and metathorax without crests... Adai'h^nura, p. 400. 

 b''. Abdomen with dorsal crest on 1st seg- 

 ment only. 

 a^. Palpi with the 3rd joint long and 



dilated at extremity Clavipalpula, p. 433. 



i*. Palpi with the 3rd joint short. 

 a^. Thorax with dorsal ridge-like crest... Perigonica, p. 434. 



i". Prothorax with divided crest Tmetolophota, p. 470. 



c^. Prothorax with spreading crest Sideridis, p. 436. 



d". Thorax without distinct crests. 

 a^°. Fore wing with the apex produced 



and acute CERAiriCA, p. 446. 



a}°. Fore wing with the apex truncate. Cekaptekyx, p. 462. 

 c''. Abdomen without dorsal crests. 



a*. Palpi with the 3rd joint long Zosteropoda, p. 588. 



b**. Palpi with the 3rd joint short. 

 «'. Fore wing with the apex not produced, 



the termeu rounded Eriopygodes, p. 353. 



6". Fore wing with the apex produced 

 and acute, the termea obliquely 

 curved Leucania, p. 590. 



Genus THYKESTRA, nov. 



Type, T. hyalophora. 



Proboscis fully developed ; palpi upturned, fx'inged with hair in front, the 

 3rd joint porrect ; frons smooth ; eyes large, round, overhung by long cilia ; 

 antenna? of male almost simple ; head and thorax clothed with rough scales, 

 the prothorax with ridge-like dorsal crest, the metathorax with crest ; abdomen 

 with dorsal series of crests, paired lateral tufts of very long white hair pro- 

 trusible from the lateral stigmata of male, Fore wing rather long and narrow, 

 the apex produced and the termen oblique; veins 3 and 5 from near angle of 

 cell ; 6 from upper angle ; 9 from 10 anastomosing witli 8 to form the areole ; 

 11 from cell. Hind wing with veins 3, 4 from angle of cell ; 5 obsole.scent from 

 middle of discocellulars ; 6, 7 stalked ; 8 anastomosing with the cell near base 

 only ; male with a patch of hyaline membrane in, below, and beyond cell. 



1127. Thyrestra hyalophora. 



Euplexia hyalophora, Hmpsn. J. Bomb. N. H. Soc. xi. p. 442 (1897). 



(S . Head and thorax olive-green mixed with rufous and dark 



