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apex of primaries and the greater part of the exterior margin are of 

 vitreous scales. The only markings on secondaries being the black 

 basal margin fading out towards median cell, and a prominent discal 

 spot. 



The females are of the hermodur order — dark, the entire apical 

 and outer marginal part being transparent on primaries; the two sub- 

 costal red spots always looking faded. No other red markings on 

 primaries. Secondaries are equally dark and vitreous along exterior 

 margin ; the red ocelli marked with whitish centres and all the black 

 delineations prominent. Expanse of wdngs: % , i^inch.; 9, i^ 

 inch. 



Our present nomenclature of P. sminthcus stands as follows: 



• Parn. smintheus Doubl.-Hew. 

 intermedins M(^n. 

 Var. behrii Edw., Nevada, Utah. 

 - Var. sedakovii MtJn., Colorado. 

 • Var. hermodur Hy. Edw., Colorado. 

 » Var. natius Neumoegen, British Columbia and Montana. 



I do not understand why the var. sedakovii, where there are no 

 red markings in primaries and at times some in a universal way only 

 in secondaries, has never been mentioned in any of our catalogues. 

 It is to be found in the canyons of middle and south Colorado, and 

 occasionally in Montana and British Columbia. 



Arctia dieckii nov. spec. 



Head, palpi and orbit of eyes black; black vertex between the antennae, 

 which are bi-serrate and entirely black. Thorax yellowish white, with two 

 prothoracic dots and three large thoracic maculations of black color. Palpi 

 hairy; abdomen and legs black. Primaries black; costa has a yellowish 

 white edge from base to about apex ; inner margin narrowly edged with yel- 

 lowish white from base to over half its extension. Fringes alternately yel- 

 lowish white and black. Markings of yellowish white as follows: the usual 

 horizontal broad line from base to within outer margin; two transverse lines 

 divergent on costa, but nearing each other, the anterior line resting on hori- 

 zontal streak; between the anterior transverse line and outer margin the usual 

 zigzag line from costa to horizontal streak, forming the two irregular, trian- 

 gular fields; two irregular small spots, costal and subcostal respectively, be- 

 tween base and interior line. Secondaries and fringes entirely black, with the 

 following markings of yellowish white color; around disc irregular, small 

 blotches enclosing it in semicircular shape and extending somewhat towards 

 exterior margin; an irregular submedian spot. Beneath the markings are the 

 same. On secondaries there is another irregular blotch of yellowisli white 

 between base and discal ornamentation. Expanse of wings lyi inch. Length 

 of body y% inch. 



Habitat. — Spence's Bridge, British Columbia. 



Type coll. B. Neumoegen. 



