LEPJDOPTERA HETEROCEBA. 1563 



Genus PASSA. 



Mas. Corpus robustum. Proboscis mediocris. Palpi pilosi, 

 sat graciles? oblique ascendentes, verticem non superantes ; articulus 

 3us laevis, porrectus, lanceolatus, 2i dimidio vix brevior. Antennae 

 subpectinatae. Abdomen cristatum, alas posticas non superans ; 

 fasciculus apicalis parvus, subcompressus. Pedes robusti. Alae 

 lata?, marline exteriore vix dentato ; anticae acutaB, margine exteriore 

 convexo subobliquo. 



Male. Body stout. Proboscis of tbe usual lengtb. Palpi 

 pilose, rather slender, obliquely ascending, not rising higher than 

 the vertex ; third joint porrect, lanceolate, smooth, nearly half the 

 length of the second. Antennae slightly pectinated. Abdomen not 

 extending beyond the hind wings; third and fourth segments 

 crested ; apical tuft small, slightly compressed. Legs stout ; spurs 

 moderately long and stout. Wings broad, not long ; exterior border 

 festooned. Fore wings acute ; exterior border convex, slightly ob- 

 lique. 



Most allied to Himera. 



Passa latifasciata. 



Mas. Ferrugineo-fusea ; abdomen cinereum, fusco cristatum ; 

 aim anticce nigro strigata, fascia antemedia nigricante lineis 

 duabus nigris inclusa, linea 2a valde flexa, fascia interior e 

 tenui fasciaque postmedia cinereis, lunulis marginalibus nigris ; 

 postica cinerece, fusco subconspersa, lineis duabus undulatis 

 fasciaque marginali lata lineam cineream angulosam inclu- 

 dente fuscis. 



Male. Ferruginous-brown, whitish cinereous beneath. Abdo- 

 men cinereous, with brown crests. Fore wings transversely black- 

 streaked ; a broad blackish antemedial band, bordered wholly on 

 the inner side and towards the interior border on the outer side by a 

 black line ; first line bordered on the inner side by a narrow cine- 

 reous band ; a postmedial cinereous band intersected in front by 

 the second black line, which is much bent outward ; marginal 

 lunules black. Hind wings cinereous, slightly brown-speckled, 

 with two undulating brown lines, and with a broad brown marginal 

 band, which contains a zigzag cinereous line ; marginal festoon 



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