3G2 PROCEEDINGS OF THE 



Palpi obliquely ascending, fringed beneath; 3rd joint linear, about 

 half the length of the 2nd. Abdomen cinereous brown. Legs 

 mostly Avhite. Wings with a white straight antemedial band. 

 Fore wings with a postmedial slender white band, which has two 

 curves, and is bordered with fawn colour on the outer side, and 

 forms an acute inward angle in the middle; under side whitish, 

 ■with two brown bands; 1st band in the middle, forked in front, 

 much broader than the 2nd, which is nearer the exterior border, 

 and is dilated near the costa. Hind wings with a white spot near 

 the exterior border; under side white, with three brown bands; 

 1st and 2nd bands slender, dentate; 3rd very broad, including 

 some white spots. Length of the body 6 lines; of the fore wings 

 16 lines. 



Gen. Obba. 

 Mas. Corpus robustum. Caput planum; fasciculus frontalis 

 brevis. Proboscis mediocris. Palpi validi, fere erecti, verticem 

 sat superantes; articulus 3"' lanceolatus, 2° duplo brevior. An- 

 tennse setose. Abdomen alas posticas non superans; fasciculus 

 apicalis mediocris, subcompressus. Pedes sat graciles, late fim- 

 briati; calcaria longa, gracilia. Ala? anticse latse, subacutae, basi 

 lanuginosa;, costae dimidio basali late fimbriato, margine exteriore 

 rotundato. 



Male. Body stout. Head flat above, with a short frontal tuft. 

 Proboscis moderately long. Palpi stout, nearly erect, rising 

 somewhat higher than the vertex; 3rd joint lanceolate, about half 

 the length of the 2nd. Antennse setose; the bristles slightly 

 decreasing in length from the base to the tips. Abdomen taper- 

 ing, not extending beyond the hind wings; apical tuft moderately 

 long, slightly compressed. Legs rather slender; femora and tibiae 

 broadly fringed; spurs long, slender. Wings broad. Fore wings 

 slightly acute; woolly at the base; costa straight, with a broad 

 flat smooth softened fringe along half the length from the base; 

 exterior border rounded, moderately oblique. 



53. Obba brompta. Mas. Fulva; alis nigro conspersis, linea 

 obliqua nigra recta, linea exteriore nigricante angulosa, punctis 

 submarginalibus nigris; alis anticis linea 1''' rufescente marginata. 



Muh. Tawny, a little paler beneath. Wings thinly and 

 minutely black speckled, with a straight black line, which extends 



