LEPIDOPTERA HETEROCERA. 421 



HETEROCAMPA UST1PENNIS. 



Mas. Rufescente-cervina ; caput et thorax nigra ; abdomen fus- 

 cescens* cristatum, fasciculo apicili rufescente-cervino ; alee 

 anticcB vitta latissima nigra guttas marginals rufescentes 

 includente, spatio cos tali albid) puncta nigra includente, striga 

 discali rufescente albido-marginata ; posticus albidce, fusco 

 marginatce. 



Male. Reddish fawn-colour. Head, thorax and legs mostly 

 black. Antennae pectinated to two-thirds of the length. Abdomen 

 brownish, with dorsal crests; basal crest black ; apical tuft reddish 

 fawn-colour. Fore wings with an irregular very broad black stripe, 

 which occupies the whole of the base, except along the interior 

 border, and contains a row of reddish marginal dots ; costal space 

 whitish, except towards the base, containing some black costal 

 points ; diseal mark formed by a reddish transverse whitish-bordered 

 streak. Hind wings whitish, irregularly dark brown along the 

 exterior border. Length of the body 9 lines ; of the wings 

 18 lines. 



a, b. North America. From Mr. Carter's collection. 

 c. United States. Presented by E. Doubleday, Esq. 



Heterocampa significata. 



Mas. Obscure rufescens ; caput antice cinereum ; thoracis latera 

 nigra, squamosa; abdomen cinereum, cristatum ; pedes dense 

 pilosi ; alee pallide cinerece ; anticae plagis duabus rufescenti- 

 bus, lineis duabus fuscis transversis denticulatis duplicatis, 

 linea basali, striga discali, strigis exterioribus punctisque 

 marginalibus atris, macula discali chalybceo-nigra, fimbria 

 nigro guttata ; posticce apud marginem exteriorem fusees- 

 centes. 



Male. Dark reddish. Head in front and legs cinereous. 

 Antennae tawny, pectinated to beyond two-thirds of the length from 

 the base ; sides of the thorax black, squamous. Abdomen cine- 

 reous, with dorsal crests, of which the first is blackish, extending 

 somewhat beyond the hind wings. Legs densely pilose ; tarsi 

 blackish. Wings pale cinereous. Fore wings with a reddish patch 

 at the base and another by the interior angle ; two transverse double 

 denticulated brown lines; a short deep black line proceeding from 

 the base ; a deep black transverse streak in the disk, bordering an 



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