2r,i 



Tho front of I lie licad is miicli I'lillci- (Itnii usual, liie wings arc iiiorc pDiiitcd, 

 and the |)al|»i arc ([uiti' slioil. |)r()j(>crm<r hut a liltlc distance Ix'vond tlic Cront. 



Body and wings ])alc-asli, with a 1cstace(Mis line; a little (lee|ier h i the 



outer edi,n' of hot h wings. Tiie rostai edge is tinged faintly wit ii reddish- 

 ochreous, and marked with niinnte strig;e, most di.stinct on the extreme edge. 

 A .sqnare whitish spot on ilie inner third of the costa, and an outer, while, 

 distinct line hroadest im the cosla. heeoming vcrv fiiint hel()re rcaciiingthc 

 inner alisf of the wing, hent on tiic first median \ennlc. The fringe on 

 hofh wings is white, checkered with large, scjiiarc, l)rown spots ;, no discal 

 spot ahove or liclow on either wing. Under side of costal region and outer 

 edge of the fore wings l)athed with yellow testaceous: veins <listiiict, testa- 

 ceous ; extreme costal edge dark, with white si riga;. Outer white line linutlv 

 reprodiH'cd, making wilii the white apex a rude V, im-josing a triangular 

 mottled space: remainder of the wing clear of scales. Uu(h'r side of hind 

 wings marl)led heuutifully, tin; ground-coloi- lieing white, with dark stri-rre 

 arranged in l)roken hands, and with diifuse ochre-yellow blotciies; a central, 

 broad, white band, angulated on lh<> indepemlenl venule, bordered on lioth 

 sides With ycllowisii spots, especially on the venules, and the wing within is 

 densely strigated, with the median area wiiile with a few brown striga-; from 

 the inner angh- arises a liroad, interrupted, while band, which terminates on 

 the first ine(han venule. The outer edg(M)f t lie wing is sprinkled with l)rown, 

 especially on fh(! apex and costa ; elsewliere it is pure white. Prothoracic 

 scales and patagia rcddish-ochreons ; middle of thorax and abdomen con- 

 colorous with the upper side of the wings. 



Prolialily from near the snow-line, as our New England sp(>cies was 

 found by Mr. tSanborn on the summit of Mount Manstield, Vt 



Lengtii of hody, tj.oO; li)ri' wing, 0.75: cx])anse of wings, l.tiO imdics. 



Nevada (Edwards). 



]\Iakmoptkuvx j kssellata Packard. 



Marmi>i>taijx hsmllala r;K-li., in I I:iv1iii'.-n Ann. IJi'p. (ltd!. Snf. 'Irn., .'..VJ, pi. 1. li;j. (J. ISTfi. 



1 ?. — Compared with M. mannomta from Cali- 



^^)l[^^^^^S f"i'i'ia, its nearest ally, the Hire wings arc lalher nar- 



/' rower and the outer edge more oiilicpic, while ihe a|iex 



^Sijr^ ^ >eft«??'^ is more pointed. The head i,-; exactly as in that species, 



.v.mmv-'.n/r A -,//,-/«. ihefi^>iit beiuy lull and bulging. Head and thm-ax pale- 



gray, with a i eddish tinue. I'alpi blackish alt ip. I-"i-..ul of head w ith a sliiilit 



