AM \ ST ITS. 263 



*146S c. Amastus nigrescens. 



Halisidota nigrescens, Roths. A. M. N. H. (8) iv. p. 216 (1909) ; id. 

 Not. Zool. xvii. pi. 12. f. 31. 



$ . Head, thorax, and abdomen black-brown. Fore wing blackish 

 brown, rather thinly scaled, a dentate whitish subterminal line 

 angled inwards in discal fold. Hind wing semihyaline white faintly 

 tinged with brown ; the underside with the costal area brown. 



Huh. Peru. Carabaya, Agualani {Ocken&en), type t 2 in Coll. 

 Rothschild. Exp. 62 millim. 



*1466 d. Amastus muscosa. 



Halisidota muscosa, Roths. Nov. Zool. xvi. p. 289 (1909), & xviii. pi. 4. 

 f. 18. 



2- Head and thorax black-brown slightly mixed with grey; 

 abdomen dark brown mixed with grey, the dorsum clothed with 

 reddish brown hair towards base. Fore wing semihyaline very 

 thickly irrorated with black-brown, the inner area and terminal 

 half thickly striated with black-brown ; a slight blackish discoidal 

 lunule; a faint dark postmedial shade with waved outer edge, 

 incurved at discal fold and oblique below vein 4. Hind wing 

 semihyaline white faintly tinged with brown ; a blackish discoidal 

 point ; the underside with the costal area and termen to vein 2 

 irrorated with brown. 



Hah. Peeu, Carabaya, Agualani (OcfrenJm), type t $ in Coll. 

 Rothschild, Limbani, Cerro de Pasco, Huancabamba. Exp. 

 06 millim. 



*1466e. Amastus edapha. (Plate LIIL fig. 12.) 



Amastus edaphus, Dyar, Pr. U.S. Nat. Mus. xliv. p. 286 (1913). 



cS • Head and thorax grey-brown ; teguloe and patagia near base 

 with black points ; legs grey, the fore tibiae yellow with blue-grey 

 tips; abdomen yellow, the ventral surface grey. Fore wing grey- 

 brown with slight dark mottling, the costa and postmedial area, 

 somewhat paler ; traces of four diffused lines on basal half and 

 three beyond the cell and a subterminal line ; an indistinct whitish 

 discoidal striga. Hind wing with the costal half grey-brown, the 

 inner half yellow, the brown extending at termen to just below 

 vein 3 ; the underside yellow. 



Hah. Mexico, Tehuacan (Mutter). Exp. SO millim. This 

 species is unknown to me ; figured from a drawing from type in 

 U.S. Nat. Mus. 



*14GG/. Amastus aurantiacus. 



Opharus aurantiacus, Roths. A. M. N. H. (8) iv. p. 212 (1909) ; id. Nov. 

 Zool. xvii. pi. 12. f. 27. 



c? . Head and thorax fulvous orange ; palpi with the 3rd joint 

 black ; tegulae with pair of black points, the patagia with two 



