488 MATERIALS FOR A FAUNA CANADENSIS. 



N. OCELLIFEBA, Walker. — Fulvous ; antennae shorter, fuscous ; 

 thorax ciliated with fuscous gray ; wings short, fulvous, veins of the 

 same colour ; anterior wings a little transversely irrorated with fus- 

 cous, a medial spot upon the posterior margin fuscous ; disk with 

 two whitish points ; posterior wings with an angulated band, which 

 is subapical, fuscous ; feet with gray spines. 



Male : Dorsal lamina long, acute, ensiform, bifid, superior appen- 

 -dages shorter than the lamina ; ventral lamina bidentate. 



Female : Ventral lamina shining, middle of the base fuscous ; the 

 -apex narrower, recurved bi-impressed, ciliated. Length 20 millim. ; 

 alar expanse 40-42 millim, 



N. Illinois ; N. Ked Eiver, Eupert's Land (Kennicott) ; Ohio, 



Gen. Phetganea. Linn. 



Phr. cinerea. Walker. — Testaceous, striped above with cinerous ; 

 apex of the anterior tibiae, and tips of the joints of the anterior 

 tarsi black ; anterior wings fuscous, densely dotted with cinerous ; 

 posterior wings fusco-cinerous. Length 26-28 millim. ; alar ex- 

 panse 4S-54 millim. 



St. Martin's Palls, Albany Eiver, Hudson's Bay (Barnston.) 



Subfam. Limnophilina. 



Gen. LiMNOPHiLUS. Leach. 

 § 1. Posterior wings with the middle of the hind margin emarginated. 



L. PEEPUSiLLUS, Walker. — Testaceous, with testaceous hair ; an- 

 tennae fulvous ; anterior wings narrow, the apex subacuminate, sub- 

 testaceous, posteriorly and the apex obscurely dotted ; veins fulvous ; 

 posterior wings whitish. Length 7 millim ; alar expanse 13 millim. 



St. Martin's Palls, Albany Eiver, Hudson's Bay (Barnston.) 



§2. Anterior wings narrow, the apex broader, obliquely truncated. 



L. EHOMBicus, Linn. — Ochreous, with luteous hair, antennae lu- 

 teous ; thorax luteo-fuscous ; feet luteous ; tibiae with yellow, tarsi 

 with black spines; anterior wings ochreous, rufous posteriorly, with a 

 large discoidal, oblique, rhombical spot, and another not well defined 

 about the anastomosis, subhyaline ; posterior wings hyaline, the 

 apex subflavescent. 



Male : Posterior wings underneath with a subapical fuscous fringe ; 

 superior appendages oblong, the apex and beneath a little emar- 



