440 Sir G. F. Hampson on neiv 



with veins 3, 5 from cell. Head and thorax white, tinged in 

 parts with buff; jialpi black behind; tegulte with blackish 

 line near base, incomplete at middle, a brown medial line and 

 blackish line at tips ; patagia with two blackish bars ; meso- 

 and metatliorax with paired fuscous spots; abdomen vermilion, 

 the anal tuft and ventral surface white. Fore wing white, 

 the base, costal and terminal areas tinged with buff; the 

 veins buff, with dark streaks on veins 4, 5, 6 ; some vermilion 

 on basal inner area ; a blue-grey band at base from costa to 

 vein 1 ; an oblique subbasal band from below costa to vein 1, 

 followed by a black point in cell and brown line from cell to 

 vein 1, then a black bar from cell to vein 1; a black streak 

 on middle of inner margin, narrowing towards base; a black 

 point in middle of cell and short black streaks above and 

 below base of vein 2 ; a black discoidal bar ; a subfcerminal 

 series of small black spots, excurved from below costa to 

 termen below vein 4, and the spots above veins 4 and 5 

 connected with termen by short streaks, the series then in- 

 curved and represented by an oblique striga above vein 3, 

 a spot above vein 2, one nearer termen below vein 2, and 

 two conjoined spots at tornus. Hind wing hyaline white, 

 the inner area suffused with vermilion, the cilia yellowish. 



IJab. Br. Guiana, Potaro R. (Roberts), 1 J" type. Exp. 

 36 mm. 



Page 27. Genus Zatkephes. 



Zatrephes, Hiibn. Yerz, p. 171 (1827). Type, nitida. 



Proboscis well developed ; palpi upturned to near vertex of 

 head and rather thickly scaled ; antennas of male bipectinate 

 with moderate branches, of female with shorter branches ; 

 tibias fringed with hair, the tarsal joints with slight tufts of 

 hair. Fore wing with veins 3, 4 from angle of cell, or 3 

 from just before angle ; 5 from above angle; 6 from upper 

 angle; 7, 8, 9, 10 stalked, 7 from beyond 10; 11 from cell. 

 Hind wing with vein 2 from towards angle of cell ; 3, 5 

 from angle ; 4 coincident with 5 or abnormally given off just 

 before termen ; 6, 7 coincident or forking near termen ; 8 

 arising free, then anastomosing with cell. 



Sect. I. — Fore wiug with the termen evenly curved. 

 1227 a. Zatrephes m'tida, Stoll. 



1227 b. Zatrephes ditht/ris, sp. n. 

 c? . Head and thorax pale flesh-brown, irrorated with crimson ; 



