LEPIDOPTERA HETEROCERA. 203 



1. Feltia DUCENS. 



Mas. Cinerea ; thorax fasciis anticis nigricantibus ; alee anticce 

 apud discum fuscce nigro strigatce, macula discali testacea, 

 margine pallidiore nigroque conspersa, linea albida interior e 

 furcata, fascia exterior e pallida , lunulis marginalibus nigris, 

 venis ex parte albis ; posticce sordide albidce, marginibus latis 

 fuscescentibus. 



Male. Cinereous. Thorax with blackish bands in front. 

 Fore wings mostly brown, and streaked with black in the disk ; 

 discal mark testaceous, with a paler border, and speckled with black ; 

 an interior irregular whitish line forked hindward near the base ; a 

 pale outer band dividing the brown part in the disk from that along 

 the exterior border, where there is a row of black lunules ; veins 

 partly white. Hind wings dingy whitish, with broad brownish bor- 

 ders. Length of the body 6 lines ; of the wings 14 lines. 



a. Orilla. West Canada. From Mr. Bush's collection. 



Subfam. 3. EPISEMIDES. 



Episemides, Guen. Noct. i. 168. 



A. Palpi ascendentes. - - - 1. Heliophobus, Boisd. 



B. Palpi porrecti. 



A. Antennarum articulus 2us 3o quadruplo longior. 



a. Abdomen alas posticus triente superans. 2. Episema, Ochs, 



b. Abdomen alas posticas perpaullo superans. 



3. Char^as, Steph. 



B. Antennarum articulus 3us 2i triente longior. 



4. Pachetra, Guen. 



Genus 1. HELIOPHOBUS. 



Corpus robustum, pilosissimum. Proboscis inediocriter longa. 

 Palpi validi, pilosi, ascendentes; articulus 3us longi-conicus, 2i 

 quadrante non longior. Antennae corporis dimidio non longiores. 

 Abdomen alas posticas triente superans. Pedes pilosissimi ; tibiae 

 posticae calcaribus quatuor longis. Alae mediocriter latag ; anticas 

 signata?, venis pailidis, apud costam rectae, apice subangulatae, mar- 

 gine exteriore vix obliquo. Mas. — Antennae late pectinatae. Ab- 

 domen apice fasciculatum. 



