LEPIDOPTEllA HETEROCERA. 31 



simple, slender, about half the length of the body. Abdomen 

 hardly extending beyond the hind wings. Legs rather slender ; 

 hind tibiag with lour long spurs. Wings rather broad. Fore wings 

 almost straight in front, rounded at the tips, slightly oblique along 

 the exterior border. 



1. MiCROCCELIA ERAGILIS. 



Alhida ; caput et thorax nigro fasciata ; alee anticcc apud discum 

 subfuscescentes, lineis transvcrsis angulosis, guttis marginali- 

 bus^ macula postica annulisque duobus discalibus nigris. 



Microcoelia fragilis, Guen. Noct. i. 34, 35. 



a. New York. Presented by E. Doubleday, Esq. 



2. MiCROCCELIA DIPHTEROIDES. 



Albida ; alcB anticce lineis transversis angiilosis iyiterruptis, maculis 

 costalibus, guttis marginalibus maculaque subquadrata discali 

 nigris. 



Var. j3. AlcB anticce lineis guttisque obsoletis. 



Microcoelia diphteroides, Guen. Noct. i. 34, 36. 



a — d. Trenton Falls, New York. Presented by E. Doubleday 

 Esq. 



Genus 2. DIPHTERA. 



Corpus plus rainusve robustum aut sat gracile. Proboscis bre- 

 vis aut breviuscula. Palpi nonnunquam ascendentes ; articulus 3us 

 brevissimns aut elongatus. Antennae maris nonnunquam peclinata?. 

 Abdomen alas posticas non aut paullo superans. Pedes validi, aut 

 sat validi ; tibiae posticse calcaribus quatuor longis aul longiusculis. 

 AlcB anticae latiuscula aut sat angustce, margine exteriore sub- 

 obliquo aut sat obliquo. 



Diphtera, Ochs. ; Treit. ; Boisd. ; Guen. ; Steph. 



Moma, p., Pcecilia, p., et Panthea, Hilbn. Verz. Schmett. 203, 



204. 

 Diphtera et Elatina, Duponch. 

 Moma, Diphthera, et Laelia, Herr.-Scliceff. Eur. Schmett. ii. 175, 



176. 



Body more or less stout or rather slender. Proboscis short or 

 rather short. Palpi ascending or horizoutal ; third joint elongated 



