166 VROCEEDlSr.S OF THE SATIOSAL MUSEUM. vouxx. 



apical face dcpresseil ho as to j^ivc a tendency to tlie niartjin to appear 

 bilobcd in ilryiiij;, but the apical niarj^in a«'tually entire, snhtnincate. 



Lenj^^th of Ixnly, male, li2 nun., female 22.5 mm.; antennae, nuile, 1>.5 

 Him., female, <S.5 mm.; te;;inina, male, 11) mm., fennile, 18.75 mm.; hind 

 femora, male and female, Vl.^i mm. 



Twenty-three males, 2.") fenmles. Can»p Umatilla, Washinjjfton, June 

 26 (Museum Comparative Zoolojj^y); Urou ii's, Colville Valley, Wash- 

 ington, July 24 (same); Loon Lake, Colville Valley, Washin^iton, 

 July 23 (same); Little Spokane, Washinjjton, July 20 (same); Fort 

 McLeod, Alliev:ta, Cana<la, Auj^ust (L. llruner; IJ.S.N.M. — liiley col- 

 lection); IJanff, Alberta, Uean, June, Auj;ust (S. Menshaw); Montana 

 { U.S.N. M. — Itiley collection); Weeksville, Montana, Aujj:ust2 (Museujii 

 Comparative Zoolo<;y); VeUowstone, Montana, Aujrust ( U.S.N. M. — 

 Iviley collection); (lordon, Sheridan County, Nebraska, IJruner (same); 

 South Park, Colorado, S,(MM) to l(),(HH)feet; Florissant, EI Paso County, 

 Colorado, Au^iust 17-22, 8,000 feet. 



Specimens from Colorado and Nebraska are a little smaller tluin 

 those from further north, and have rather shorter winj^s. The same is 

 true also of specimens taken at Banff, Alberta, in June. 



IJruner also reports it from Helena, Fort Ellis, and the Madison val- 

 ley, Montana, and Salmon City, Idaho. 



ig. MELA/^OPLUS EXCELSUS, new species.. 

 (Tlate XI, tig. 9.) 



Dull brownish fuscous, the under surface dull hiteo-testaceoiis. Head 

 dark above and in a pi<'eous band behind the eyes, but elsewhere dull 

 Havo-olivaceous, more or less clouded with plumbeous; vertex feebly 

 tumid, raised sli^jjhtly above the level of the iironotum in the male: 

 interspace between the eyes rather broader than (male) or nearly twice 

 as broad as (male) the basal antennal Joint; fastigium plane with a 

 basal transverse imi)ression (female) or broadly and shallowly vsulcate 

 throughout (male); frontal costa broad, broader thtin the interspa<e 

 between the eyes, feebly narrowing above in the male, scarcely 

 depressed at the ocellus, and sometimes in the male slightly below it, 

 just failing to reach the clypeus, sparsely punctate; eyes moderately 

 long, anteriorly truncate, as long as the infraocular portion of tlie 

 genae, slightly jirominent; antennae less than three fourtlis (male) nr 

 than two thirds (female) as long as the hind femora, fuscoferruginous, 

 lighter at base. Pronotum gradually and slightly enlarging poste* 

 riorly, with the front margin truncate, the hind margin bluntly obtus- 

 angulate, the brownish fuscous base with a dull tiavous tinge, which 

 increases on the lateral lobes except in the upper portion of the i)rozoiia, 

 which is mostly piceous, the sulci piceous, followed in the posterior sec- 

 ticm by a small Havous patch ; median carina percurrent, black, sharper 

 and more elevated on the metazona than on the prozcma, the prozoiia 

 planoconvex with broadly rouiiued lateral carinae, slightly more angu- 

 late ou the metazoua; disk of prozoua nearly smooth and quadrate 



