in the Basin of the Arnazons. 257 



36. Pteroprista metallica, n. s. 

 Fore wing pale liver-colour, with the markings darker ; the tips 

 of all the scales metallic ; a faint brown sinuous line before the 

 middle, and a straight oblique one beyond the middle, the latter 

 preceded by diffuse brown shading, and followed by a more distinct 

 broadish bronzy-purple shade ; subterminal line slightly curved, 

 brown, indistinct ; fringe darker, with some black spots before 

 their base. Hind wing without markings, except a trace of a 

 curved submarginal line, forming a bronzy purplish patch at the 

 anal angle ; fringe darker with paler bases, preceded by darker 

 dashes. Head, thorax, and abdomen dark fuscous ; inside of palpi 

 and anal tuft ochreous. Under side paler, somewhat ochreous, but 

 withal metallic ; fore wing without markings. Hind wing speckled 

 with dark grey, with faint indications of a subraarginal band, and 

 a more conspicuous series of dark lunules before the fringe. 

 Expanse of wings, 27 mm. 



One <? . E. Mamellos, E. Madeira, Jan. 6th, 1874. 



Distinguished at once from Gaberasa and Toi'tricodes 

 by the metallic scaling and pointed apex of the fore 

 wing. 



PYEALIDINA. 



CHRYSAUGID^. 



In this family I also include the genera of Lederer's 

 other two families, Homalochroidce and Semniadce, all the 

 species of which are marked by the abnormal position of 

 the first subcostal branch of the fore wings. It seems 

 absurd to consider slight deviations in the direction of a 

 single nervure adequate grounds for constituting separate 

 fmnilies. Walker's genera, Dastira, Nachaba, and Arouva 

 must also be included : all the species are characterised 

 by the very much elongated basal joint of the antennae. 



37. Arouva mirificana. 

 Arouva mirificana, Wlk., Cat. Lep. Het. B. M., xxx., 



p. 963. 

 Semnia egaealis, Feld., Eeise Nov., pi. 134, fig. 19. 



One ? . E. Madeira, June 3rd, 1874. 



Walker's type, a <? , from Ega, is from Mr. Bates' 

 collection. Felder's example, from the Amazons, was 

 likewise from the &ame collection. The antennae of the 



