1352 CATALOGUE OF 



Male and female. Body stout. Palpi short, porrect, extend- 

 ing hardly so far as the head. Antennae as long as the thorax. 

 Wings broad. Fore wings slightly acuminated and almost rectan- 

 gular at the tips, nearly straight in front, straight and moderately 

 oblique along the exterior border ; second inferior vein about thrice 

 further from the third than from the first. Male. — Antennae deeply 

 pectinated ; branches stout, ciliated ; each exterior branch accom- 

 panied by a slender branch, which is not half the length of the 

 other. Abdomen extending to three-fourths of the breadth of the 

 hind wings. Female. — Antennae simple. Hind wings hardly ex- 

 tending beyond the abdomen. 



7. Dirphia Ursina. 



Mas et foem. Fusca aut ferrugineo-fusca; antenna testacece; 

 abdomen scepissime ferrugineo fasciatum ; alee gutta discali 

 fasciisque duabus obscurioribus, anticce gutta antica albida 

 nonnunquam obsoleta. 



Bombyx Ursina, MSS. 



Male. Body and legs blackish brown. Antennae testaceous. 

 Wings brown, paler along the exterior border, each with a brown 

 discal dot. Fore wings with a whitish dot in front of the brown 

 one, and with two slender dark brown bands, which converge 

 towards the interior border. Hind wings with two exterior curved 

 dark brown bands. Female. — Abdomen with a ferruginous band 

 on the hind border of each segment. Wings a little paler than 

 those of the male ; whitish dot of the fore wings less distinct ; 

 bands less converging hindvvard. Length of the body 12 — 16 lines ; 

 of the wings 34 — 48 lines. 



Var. p. Male. Ferruginous-brown. Abdomen above dark 

 brown, with reddish bands. Fore wings with the whitish dot obso- 

 lete; bands converging much less than in var. a. 



Var. y. Fern. Fore wings with a distinct whitish dot ; bands 

 converging more than in var. a. 



Var. d. Fern. Like var. y. Discal brown dot of the fore 

 wings with a whitish ringlet. 



a. Bolivia. From Mr. Bridges' collection. 

 b — d. Brazil. From M. Becker's collection. 

 6»,/. Rio Janeiro. From Mr. Stevens' collection. 



