Ml LST1 s. 25 I 



antennae; thorax red-brown mixed with blackish, tegulse crimson 

 at base, then kvhite followed by a black medial line: patagia with 

 yellow streak and yellowish white upper edge; fore coxae crimson 

 in front; abdomen crimson, the extremity Mack with pale crimson 

 patch on anal tuft, lateral and sublateral series of small white spots 

 except towards base, the ventral surface pale brown. Fore wing 

 reddish brown suffused with Euscous, the discal area thinly scaled; 

 the veins, excepl below costa, and streaks in eel! and submedian fold 

 black; the costal, inner, and terminal areas slightly irrorated with 

 whitish scales; traces of a waved whitish post-medial line excurved 

 from costa to vein 1, then oblique; a waved whitish subterminal 

 line. Hind wing pake reddish brown, thinly sealed, the veins 

 darker. 



ffab. Argentina, Tucuman, 1 J, 1 ?, type f 6 in Coll. Dognin, 

 La Kioja {Giacomelli), 1 y. Exp. 50 millim. 



I I">1 a. Amastus thermidora. (Plate LII. fig. 13.) 

 Amastus thermidora, Dogn. Mem. Soc. Ent. Belg. xxii. p. 4 (1913). 



$ . Head and thorax chocolate-brown mixed with some rufous, the 

 dorsum of thorax with some pink; abdomen pink, the extremity, 

 sides, and ventral surface chocolate-brown. Fore win- chocolate- 

 brown slightly irrorated with ochreous : antemedial line ochreous, 

 oblique towards costa and inner margin, expanding somewhat below 

 costa. short black streaks beyond it in discal fold and on median 

 nervure ; a curved black discoidal striga expanding into small spots 

 at angles of cell and defined on inner side by ochreous ; postmedial 

 line slight, ochreous. touching the upper angle of cell and produced 

 to .short streaks on veins 7. <>. then incurved to tin discocellulars, 

 angled outwards at vein 5. then oblique and slightly dentate: the 

 veins beyond the cell streaked with black ; subterminal line distinct, 

 ochreous, dentate, very acutely angled inwards at discal fold. Hind 

 wing semihyaline ochreous. the terminal area suffused with reddish 

 brown leaving somewhat dentate ochreous marks in the interspaces 

 before termen from apex to vein 1 ; the underside with the costal 

 and terminal areas suffused with chocolate-brown, a curved dark 

 discoidal striga. 



Sab. Ecuaduu, Loja, type t $ in Coll. Dognin. Exp. 82 

 millim. 



*1452«. Amastus deinella, n. sp. (Plate LII. fig. 14.) 

 Amast us erebella, Roths. Nor. Zool. xri. p. 278 (ne< 



$. Head and thorax dark brown suffused with crimson; palpi, 

 frons, antennae, and leys black- brown ; pectus crimson; abdomen 

 dark brown, some crimson hair at base, lateral crimson points on 

 terminal half, the ventral surface crimson except terminal segments. 

 Fore wing dark brown, thinly sealed; some crimson hair at bas 



