ETTCEKEON. — ELYSIUS. 51 



whitish ; trochanters rose-red, with hlack outer angle in front ; remainder of legs varied with 

 black ; venter cream-coloured, all the segments, excepting the last two, rosy behind and 

 spotted with black at the sides ; last two segments black with white edging. Expanse of 

 wings 1 inch 4 lines. 



Boa Vista, Rio Jutahi ; taken February 1, 1875 (/. TV. H. Trail). 



Eucereon arenosum, n. sp. (Plate XVII. fig. 10.) 



Wings sandy brownish ; primaries irregularly traversed by series of pale-edged dark 

 brown spots ; secondaries with the costa whitish : thorax sandy brown ; antenna? dark brown ; 

 abdomen rose-red, clothed with whitish hairs at the base ; anus blackish, clothed with white 

 hairs ; wings below with the markings obsolescent and confused ; body sandy ; venter with 

 small lateral brown spots. Expanse of wings 1 inch 1 line. 



Jamiry, Rio Madeira ; taken May 28, 1874 (J. W. H. Trail). 



HYALEUCERIA, Butler. 

 Hyalenceria erythrotelus. (Plate VII. fig. 13.) 

 Glaucopis (Pheia) erythrotelus, Waller, Cat. Lep. Het. i. p. 147. n. 11 (1854). 



Wings hyaline white, veins black-brown ; primaries with the margins and the apical 

 area, almost to the middle, black -brown, enclosing a bifid hyaline white spot; secondaries with 

 a moderately broad black border, dentated on interno-median and internal interspaces. Body 

 dark brown ; collar and anus camiine ; anterior trochanters cream-colour. Expanse of wings 

 1 inch 1 line. 



Para (Grahame). 



NERITOS, TValker. 

 Neritos obscurata, n. sp. (Plate XVII. fig. G.) 



Primaries pale purplish brown ; the interno-basal area, a large patch surrounding the 

 discocellulars, and two ill-defined patches on the outer margin, sordid testaceous ; a brown 

 spot on the discocellulars : secondaries rosy, becoming whitish towards the abdominal margin. 

 Body testaceous. Wings below ochraceous upon the costa and veins; remainder of the wing 

 rosy, shot with lilacine. Expanse of wings 1 inch 4 lines. 



Prainha; taken November 14, 1873 (/. TV. H. Trail). 



ELYSIUS, Walker. . 



Elysius optimus, n. sp. (Plate XVII. fig. 8.) 



Primaries red-brown, covered with yellow scarlet-centred spots ; veins carmine : secon- 

 daries rosy. Head, collar, and thorax yellow ; an annular scarlet marking on the vertex of the 



h2 



