MATERIALS FOR A FAUNA CANADENSIS. 495 



four posterior gray, the tarsi with black spines ; wings narrow, gray, 

 clothed with gray hair, the apex obsoletely marmorated with fus- 

 cous ; posterior wings gray. Length 12 millim. ; alar expanse 23 

 inillim. 



St. Lawrence Eiver, Canada. 



M. BUFA, Hagen. — Rufo- fuscous, with fuscous hair ; antennae and 

 palpi rufous ; feet testaceous, the anterior ones and femora rufous ; 

 abdomen fuscous ; wings fuscous, with rufous hair , posterior wings 

 fuscous, veins fuscous. Length 10 millim. ; alar expanse 18 millim. 



Trenton Falls, N. T. 



Gen. Leptocekus. Leach. 



L. LUGENS, Hagen — Fuscous; autennae black, the basal half an- 

 nulated with snow-white; palpi fuscous; head with snow-white hair; 

 feet snow-white, base of the femora fuscous, the four anterior tarsi 

 spotted with fuscous ; anterior wings rufo-fuscous, with fuscous hair, 

 and luteous intermixed, a whitish-yellow spot at the anal angle ; 

 veins fuscous; cilia paler ; posterior wings gray. Length 11 millim.; 

 alar expanse 21 millim. 



St. Lawrence lliver, Canada. 



L. DiLUTUs, Hagen. — Grrayish-fuscous ; antennae fuscous, the 

 basal half broadly annulated with snow-white ; palpi fuscous, with 

 snow-white hair ; head with snow-white hair ; feet snow-white, bases 

 of the femora a little obscured ; abdomen fuscous ; anterior wings 

 gray, with luteous hair, sometimes obsoletely varied with fuscous ; 

 veins gray ; cilia fuscous, with an anal yellowish spot ; [posterior wings 

 gray. Length 7-10 millim. ; alar expanse 13-19 millim. 



Chicago. 



L. NIGER {Phrygania nigra, Linn.) — Black, shining, with black 

 hair ; antennae black, the basal half annulated with snow-white, the 

 basal joint rufous ; head black, shining ; palpi very densely black 

 hirsute; abdomen blaci^ ; ieet luteous, intermediate ones snow- 

 white ; tarsi spotted with fuscous ; anterior wings steel-blue black, 

 posterior M'ings blackish. Length 7^ millim. ; alar expanse 14 millim. 



Washington ; Europe, widely distributed. 



L. SEPTJLCHEALis, Walker — Black, with black hair; antennae 

 black, the base annulated with white ; apex of the abdomen ferrugi- 



