Dec. 1804.J NeUMCEGEN & DyAR. N. A. EoMLVCES. 169 



H. gracilis Grote. 



1864 — Hipialus :^racilis Grote, Proc. Eiit. Soc. riiil., Vol. Ill, p. 522. 

 1S84 — Hfpialus fttrca/us GuO'iE, Can. Ent., Vol. XV, p. 30. 



Sub-translucent obscure gray. A pale white band from apex 

 to internal margin, running thence to base, rather broad but in- 

 dented. The rest of the wing obscurely clouded with black and 

 brownish scales, without distinct marks. Outer margin white, 

 fringe black spotted. Expanse, t,;^ — 40 mm. 



Larger than miistelinus and paler in the specimens before us, 

 but with the same markings; probably not specifically distinct. 



Habitat, Northern Atlantic States to Canada. 



H. roseicaput Neunnvgcn c^ Dyar. 



1893 — Hcpialiis roseicaput Neumcegen & Dyak, Can. Ent., Vol. XXV, p. 125. 



Primaries salmon brown, with obscure smoky black bands 

 arranged after the pattern of ^^•(7////(^?. Secondaries blackish. Ex- 

 panse, Ty-^ mm. 



Habitat, British Columbia. 



H. lembertii Dyar. 



1894 — Hfpialiis hniibcrtii Dyar, Ent. News, Vol. V, p. 25. 



Ocherous with the bands broken up into a series of dusky 

 bordered, sub-hyaline, whitish spots, varying considerably in size 

 and distinctness. Certain of them may be absent or confluent 

 with others. Secondaries blackish. Expanse, 30 — 35 mm. 



Habitat^ High Sierras of California. 



H. sequoiolus Bchrcus. 



1876 — Hipialits st.'(]!ioio!iis Behkkns, Can. Ent., Vol. VIII, p. 174. 

 1876 — Hcpialiis iiieudocinolus Behrens, Can. Ent., Vol. VIII, p. 174. 



Dark brown with a salmon tint along costa. Two oblique 

 silvery bands composed of spots from internal margin to sub- 

 costal vein, bordered outwardly by a narrow red line. A sub- 

 terminal pale band. Secondaries blackish. Expanse, 32 — 40 mrn. 



Habitat, California and Pacific Northwest. 



H. behrensii Stretch. 



1872 — Sllieuopis beluensii Stretch, Zyg. & Bomb. N. A., p. 105. 



1S74 — Epiahis taconuv Hy. Edwards, Proc. Cal. Acad. Sci., Vol. V, p. 365. 



Salmon brown, wings nearly immaculate. Three paler trans- 

 verse parallel bands can be made out, the t. a. and t. p. marked 



