500 MATERIALS FOR A FAUNA CANADENSIS. 



Gen. Philopotamus. Leach. 



P. DisTiNCTUs, Walker. — Black, with black and yellow hair ; an- 

 tennae much longer than the body ; palpi and feet testaceous ; 

 anterior wings brownish-gray, closely guttated with yellow. Length 

 6 millim. ; alar expanse 11 millim. 



Trenton Palls, N. T. 



Gren. poLYCENTEOPUs. Curtis. 



Pol. invarius, Walker. — Palvous, with golden hair; vertex and 

 disk of the thorax black ; antennae black, the base fulvous ; feet 

 testaceous ; anterior wings subfuscous, with ferruginous veins ; pos- 

 terior wings cinereous. Length 9 millim. ; alar expanse 16 millim. 



Nova Scotia. 



Pol. ceepusculaeis, Walker. — Black, with luteous hair ; antennae 

 testaceous, obsoletely anuulated with fuscous, black at the apex ; 

 apices of the abdominal segments and legs testaceous ; wings cine- 

 reous, the anterior with testaceous pubescence, veins fulvous. Length 

 9 millim. ; alar expanse 16 millim. 



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



Pol. ciNEEEcrs, Hagen. — Fuscous, with fuscous and whitish hair; 

 antennae fuscous, annulated with white ; palpi luteous ; bead with 

 white hair, occiput with fuscous hair at each side ; disk of the thorax 

 with white hair ; feet luteo-fuscous, the femora luteous ; abdomen 

 fuscous, pale beneath ; anterior wings fuscous, with fuscous veins, 

 and closely guttated with white ; posterior wings blackish -gray, 

 ciliated with black. Length 8-10 millim.; alar expanse 15-19 millim. 



bt. Law i-ence Eiver, Canada. 



G-en. PsTCOMYiA. Latreille. 



Ps^ ELAVIDA, Hagen. — Yellow, with ochreous hair ; antennae 

 whitish, with obsolete annulations ; palpi and feet whitish ; head and 

 thorax luteous ; anterior wings yellow, with dense ochreous hair and 

 cilia ; posterior wings cinereous, acute, with cinereous hair. Length 

 5 millim. ; alar expanse 9 millim. 



St. Lawrence Eiver, Canada ; Washington. 



Gen. TiNODEs. Stephens. 

 T. iiviDA, Sagen* — Luteous, with gray hair ; antennae luteous ; 

 palpi luteo-fuscous ; feet pale, the anterior ones luteous ; head and 



