STIBADIUM. 107 



from costa to reniform, inwardly oblique from lower angle of cell 

 to inner margin ; postmedial line dark olive, very oblique from costa 

 to vein 6, then inwardly oblique and very slightly sinuous, its acute 

 angle below costa met by an oblique streak from apex ; subterminal 

 line only defined by the terminal area being paler and yellower 

 without violaceous irroration ; cilia yellowish at base, darker at tips. 

 Hind wing pale ochreous faintly tinged with olive and with slight 

 dark irroration except on terminal area ; a slight discoidal bar and 

 faint curved postmedial and subterminal lines ; the underside with 

 the costal and terminal areas pale yellowish, a distinct discoidal 

 bar and postmedial line. 



The frontal structure consists of an elliptical depression with 

 central channel and roughened sides. 



Hab. U.S.A., Arizona, Wilgus. Exp. 34 millim. This species is 

 unknown to me ; figured from a drawing from type in Coll. 

 \V. Barnes. 



4435. Stibadium aureola. (Plate CXXXIX. fig. 32.) 



Stibadium aureolum, H. Edw. Papilio, ii. p. 126 (1882) ; Smith, Cat. Noct. 

 N. Am. p. 2(32. 



2 . Head and thorax ochreous mixed with red-brown ; frons 

 tinged with fuscous ; fore legs tinged with fuscous ; abdomen pale 

 yellow. Fore wing ochreous suffused with rufous and irrorated 

 with white, the inner half of medial area darker, an oblique pale 

 yellow band on postmedial area from apex to inner margin ; ante- 

 medial line fine, white, obsolescent towards costa, oblique to 

 submedian fold where it is angled outwards, then obliquely in- 

 curved ; postmedial line fine, white, oblique from costa to vein <> 

 where it is angled outwards, then very oblique and slightly 

 sinuous ; the yellow postmedial band slightly defined on each side 

 by olive ; subterminal line line, white, arising from apex, oblique 

 and slightly sinuous ; cilia red-brown mixed with white and with 

 tine white lines at base and middle. Hind wing yellowish white 

 irrorated with red-brown especially on terminal area ; cilia white 

 with a slight brown line through them ; the underside white with 

 faint diffused curved postmedial line, the termen slightly tinged 

 with yellow and irrorated with brown. 



Hab. U.S.A., Arizona, 1 § . Exp. 36 millim. 



443G. Stibadium spumosa. 



Stibadium spumosum, Grote, Bub. Buff. Soe. Nat. Sci. ii. p. 74 (1874); 

 Smith, Cat. Noct. N. Am. p. 2(32. 



Head and thorax reddish brown irrorated with white ; abdomen 

 whitish tinged with red-brown. Fore wing reddish 'brown thickly 

 irrorated with whitish, the area beyond the postmedial line some- 

 what paler, the base of inner margin whitish ; antemedial line 

 very indistinct, whitish, slightly excurved irom costa to median 

 nervure, then nearly erect; stigmata faintly defined by white, the 



