()54 NOCTTIDJE. 



whitish lunule obscurely defined b)' blackish ; traces of a waved 

 interrupted medial line ; postmedial line black defined by whitish 

 on outer side, strongly bent outwards below costa, then crenulate, 

 strongly incurved below vein 3, some whitish points beyond it on 

 costa ; faint traces of a waved whitish subterminal line slightly 

 defined by blackish on inner side and angled outwards at vein 7 : 

 a terminal series of black striae with obscure whitish spots on their 

 inner side ; cilia chequered white and brown mixed with black. 

 Hind wing whitish irrorated with brown, the terminal area suffused 

 with brown ; an indistinct discoidal spot and curved postmedial 

 line ; cilia white with an indistinct brownish line through them ; 

 the underside white irrorated with brown, a blackish discoidal spot, 

 curved minutely waved postmedial line, and terminal series of slight 

 lunules. 



Hah. U.S.A., Colorado, Glenwood Springs (Barnes), 1 J , Cali- 

 fornia, Sierra Nevada, Exp. 36 millim. 



Genus lAMBIA. 



Type 



7am6m, Wlk. xxvii. 109(1863) inferalis. 



Proboscis fully developed ; palpi upturned, tbe 2nd joint reaching about to 

 middle of frons and moderately scaled, the 3rd moderate ; frons smooth ; eyes 

 large, round ; antenna of male ciliated ; thorax clothed chiefly with scales, 

 the protliorax without crest, the metathorax with spreading crest ; tibias 

 moderately fringed with hair ; abdomen with dorsal crests on basal segments. 

 Fore wing with the apex rounded, the ternien very slightly crenulate and 

 somewhat excised from vein 3 to tornus; veins 3 and 5 from near angle of 

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

 11 from cell'. Hind wing with veins 3, 4 from angle of cell; 5 obsolescent 

 from middle of discocellulars; 6, 7 from upper angle; 8 anastomosing with 

 the cell near base only. 



A. Fore wing with two of the terminal points confluent and 

 foru ing a lunule at discal fold. 

 a. Fore wing with small wedge-shaped white marks before 



subterminal line above and below vein 4 noct-urna. 



h. Fore wing without small wedge-shaped while marks 

 before subterminal line. 

 a^. Fore wing with pale streaks on veins 6 and 4 inter- 

 secting the dark postmedial patcli harmonica, 



6i. Fore wing without pale streaks on veins 6 and 4 



intersecting the dark postmedial pateli thuaiiesi. 



E. Fore wing without terminal lunule at discal fold. 

 a. Fore wing whitish suffused with grey-brown. 



ai. Fore wing with the inner half of terminal area not 



prominently white transversa. 



h^. Fore wing with the inner half of terminal area 



prominently white inferalis. 



h. Fore wing with the ground-colour bright rufous rufescens. 



3546. lambia nocturna. (Plate CXXIII. fig. 3.) 



Callopistria nocturna, Hmpsn. J. Bomb. Soc. xiv. p. 203 (1902). 



2 . Head and thorax silvery grey mixed with brown and black ; 

 tarsi black ringed with white : abdomen fuscous browJi. Fore 



