LEPIDOPTERA HETEROCERA, 1309 



than the vertex ; third joint lanceolate, about half the length of the 

 second. Antennae minutely pubescent. Abdomen extending much 

 beyond the hind wings. Fore win^s acute, with four zigzag blackish 

 lines, of which the fourth is much curved outward ; two subcostal 

 blackish ringlets between the second and third lines ; exterior bor- 

 der forming an obtuse angle at one- third of its length from the 

 interior angle. Hind wings whitish, iridescent, slightly gilded, 

 nearly hyaline. Length of the body 8 lines ; of the wings 18 lines. 



a. Cuenca. From Mr. Fraser's collection. 



Genus MEGAPHYSA, C. L. H. xvii. 380. 



MEGAPHYSA ? SERENALIS. 



Mas et faem. Cinereo-cervina ; caput antice cervinum ; palpi 

 cervini, verticem paullo superantes, articulo So conico ; thorax 

 nigro conspersus ; abdomen basi albo fascialum ; alee irides- 

 centes, punctis marginalibus nigricantibus ; anticce striga 

 fusca lata nigricante marginata nonnunquam latissima, plaga 

 basali ochracea parva, orbicnlari et reniformi ochraceis fusco 

 marginatis ; posticce cinerece^ semihyalinoe, ceneo marginatce. 



Male and female. Cinereous fawn-colour, stout. Head fawn- 

 colour in front. Palpi fawn-colour, erect, stout, squamous, white 

 beneath at the base, rising a little higher than the vertex ; third 

 joint conical, not more than one-sixth of the length of the second. 

 Antennae stout, densely setose in the male, minutely setulose in the 

 female. Thorax black-speckled. Abdomen lanceolate, with a white 

 band near the base, extending much beyond the hind wings; apical 

 tuft of the male small, compressed. Legs rather stout; tibiae, tarsi 

 and anterior femora with blackish bands. Wings brilliantly iri- 

 descent, with blackish marginal points. Fore wings acute, with a 

 broad irregular brown streak, which is bordered in front by a black 

 line, and is sometimes dilated and forms a large patch, and occupies 

 most of the exterior border and of the interior border ; a small och- 

 raceous patch near the base ; orbicular mark ochraceous, elliptical, 

 longitudinal, brown-bordered; reniform ochraceous, brown-bordered, 

 lunulate ; exterior border convex, rather oblique. Hiud wings 

 cinereous, semihyaline, aeneous about the exterior border. Length 

 of the body 6j — 7 lines ; of the wings 14 — 15 lines. 



a — c. St. Domingo. From Mr. Tweedie's collection. 



