lo 



C!i,au('()i-ti:kvx saiuniakia I'iicliaid. I'lah' S, lli:. 2L\ 



rsijclioiihont Siiliiiiii t'lutis, Apiicmlix Kiiss's vjil \'iiy;i^i', T:!, pi. A, li;;. 7, 7i(, lHI!r>. 



7 c? and 1 9. — A\'hi!c lliis s|)ccii's Ix'loiiys to a siiliijfcnns of (l/nu- 

 coptcn/.r, dill'criiiii- in llic vciialinii, in l!ic prcliiialcd aiilciiiui', and liairv, 

 sloiilcr, shiirtcr ahdoiiK'u, in the ^fsMUTal shape of tlic willies it clo.-rly 

 approaches (i.polatn,h\\{ slill dillrrs in the straii^^hlcr costa-oi' llic Hire wiiijrs, 

 which arc also a litth' narrower than \\\ jiolala, and the head is a hlth' fnlh'r 

 in Iront. Antenna! with sliort, slender pectinations, as lon^- as the anleiniie 

 arc thick, also thickly ciliated Ijcncalh. l)ody and \vin!;s oC a peculiar silk 

 sal»le-l)ro\vu ; lore winijs sable-hrown, frosted over with ijray scales, darker 

 at base; the dark portion (i)asal line) heiit ontward on ll'e subcostal vein ; 

 a bi'oad, median, darker band, no wider on the cosfa than inner educ ol" the 

 wini;', with a laruf(; proji-clion outward opposite! the discal dot, and lielow 

 scallopeil (piife reiiularly; a scallop in each interspace. Discal dot linear, 

 dark, obscure. Xo other lines or niarkinirs on the winir. Hind wings (in my 

 eiirlil specimens) immaculate*, concolorous with the lore win<rs, being sable- 

 brown, without any gray scales, and with no lines. (In Curtis's figure, two 

 curved lines beyond the discal dot are i-epi-csentcd.) Fiinge unit()rmly saiile- 

 brown, concolorous with the wings. Legs and under side of the body darker 

 than above. Abdomen very stout ; the lip iiroad and very hairy. 



Length of Iiody, «? 0.40, 9, 0.31; of forc! wing, c?, 0.52, 9,0.4U; 

 exi)ause of wings, O.'J.'j-l.lO inches. 



Polaris Bay, North Grcenlan.l, laliliule 81° 3,S' N. (Dr. E. Vessels, 

 scientist lo the United States Polaris Expedition to the North Pole). 



This is an exceedingly interestiu'j: form, as it differs so remarkably, both 

 structurally and in coloration, from the other s[)eeies. The uniform sable- 

 brown color, with the slightly darker median band on the fore wings, and 

 the peetinat(*d and ciliated aufenr.a", and very stout, bread, hairy, tipped 

 ubdomen, separat(!s it from the other six'cies found on this continent. 



None of the specimens cullectcd by Dr. licssels in I'olaris I'ay had tlu! 

 two dark lines or discal dot on the hind wicgs, figured by Curtis in the 

 Ajipendix to Poss's Voyage. Five of my specimens are immaculate sable- 

 brown, with no dusky band on the I'dtc! wings, and the fore wings are ol a 

 jiure sal)le color, with a rich silken gloss; no gray settle:; frosting them over, 

 as in the more typical examples. 3Iy specimens dilfer so much from two 



