LEP1D0PTERA HETEROCERA. 155 



under side ; veins black. Length of the body 10 lines ; of the wings 



28 lines. 



Bogota. In Mr. Biro-hall's collection. 



Pericopis dissimulata. 



Mas. Nigra ; caput albo quudrinotatum ; palpi subascendentes ; 

 antenna subserrata ; thorax e guttis albis bifasciatus ; abdo- 

 men cinereo bivittatum, subtus Jiavum ; alee cinerea, hyalin^ 

 nigro-fusco marginatce ; anticce striga fasciisque duabus 2a 

 maculam oehraceam includente nigro-fuscis, striga subapicali 

 ochracea ; posticce fascia fitsca, fascia marginali strigam 

 oehraceam guttasque albas includente. 



Male. Black. Head with two white points on each side of 

 the front, and with a white dot on each side behind. Palpi slightly 

 ascending, extending a little beyond the head; third joint linear, 

 less than half the length of the second. Antennae very minutely 

 serrated. Thorax with two bands, each composed of lour white dots. 

 Abdomen with two cinereous stripes ; under side yellow. Legs 

 with cinereous speckles. Wings cinereous-hyaline, irregularly 

 bordered with blackish brown. Fore wings with a longitudinal 

 blackish brown streak in the disk and two oblique brown bands, of 

 which the second is dilated at the end of the exterior border, and 

 contains an ochraceous spot ; an ochraceous transverse streak on the 

 brown apical part. Hind wings with the marginal band very broad, 

 containing an interrupted ochraceous band and an exterior line of 

 white dots ; a brown transverse band at two-thirds of the length. 

 Length of the body 14 lines ; of the wings 40 lines. 



a. Bogota. From Mr. Stevens' collection. , 



Pericopis dissimulans. 



Mas. Nigro-fusca ; thorax fascia lata interrupta fiava ; abdomen 

 rufum, nigro-fusco vittatum, subtus fiavum; femora fiavo 

 pllosa ; alee onticm fuscce, dimidio apicali vitreo plagam cos- 

 talem fasciamque marginalem fuscas includente ; postica 

 vitrea?, margine fusco lineam rufam guttasque duas albas 

 includente. 



Male. Blackish brown. Thorax with a broad interrupted 

 yellow band. Abdomen bright red above, with a blackish brown 

 stripe ; under side yellow. Femora clothed with yellow hairs. 

 Fore wings brown ; exterior hall vitreous, colourless, except a brown 



