MATERIALS FOR A FAUNA CANADENSIS. 491 



thyridiuin pale ; elevated veins smooth, fuscous, the apex partly in- 

 terrupted with luteous ; posterior wings fusco-hyaline. 



Male : Superior anal appendages long, laminated, the apex a little 

 oblique ; inferior appendages acute, a little shorter, oblique. Length 

 18 millim ; alar expanse 35 millim. 



N. Eed River, Eupert's Laud ; Northern Illinois. 



A, PUNCTATissiMA, Walker. — Testaceous, broad ; antennae stout j 

 anterior wings broad, finely rugulose, closely freckled with whitish, 

 the anterior margin almost whitish ; a spot upon the middle, and the 

 thyridium whitish ; posterior wings whitish. Length 13 millim. ; 

 alar expanse 25 millim. 



Nova Scotia. 



A. MODESTA, ir«ye?i.— Nigro-piceous, with black hair; antennae 

 black, narrowly annulated with luteous ; feet luteous, with black 

 spines, femora piceous ; anterior wings obtuse at the apex, fuscous, 

 almost naked, subrugulose, sparingly irrorated with luteous, veins 

 fuscous ; posterior wings fusco-hyaline. 



Male : Superior anal appendages laminated, the apex incurved. 

 Length 14 millim. ; alar expanse 2G millim. 



Labrador. 



Gen. Hallesus. Stephens. 



H. HOSTis, Hag en. — Luteo-rufous, with luteous hair ; antennae 

 stout, luteous ; thorax on each side above rufo -fuscous ; feet luteous, 

 with black spines ; apex of the wings broader, pale iuteo-hyaline, 

 hardly with luteous hairs ; subrugulose, base at the anal angle, and 

 the third apical vein fuscous ; a large oblique paler spot upon the 

 middle ; veins luteous ; posterior wings Iuteo-hyaline. 



Male : Posterior appendages short, luteous, ovate, adpressed ; the 

 intermediate ones longer, straight, conical, fuscous. Length 20 mil- 

 lim. ; alar expanse 36 millim. 



N. Red River, Rupert's Land ; Northern Illinois. 



H. GUTTiFER, Walker. — Testaceous ; antennae ferruginous ; an- 

 terior wings tuberculose, with an obsolete subfuscous spot in the 

 apical areolets, another at the thyridium, and a black dot in the third 

 apical areolets, posterior wings whitish ; feet and palpi testaceous. 



Male: The fuscous spots of the anterior wings sometimes obso- 

 lete. Length 20 millim. ; alar expanse 36-42 millim. 



