238 rRiK'KI'lDISr.S of the SAIKtyAL MLSEUM. vol. XX. 



Thirteen males, ir> females. Monhiiia (U.S.N.M. — IJiley collection); 

 Fort r.llis, Montana, 'hily 2\)-'M) (same); Knj;le\voo(l, Lawrence Connty, 

 JSontli l)ak<>ta, I la^jjanl ( L. limner); Custer, I Hack Hills, South Dakota, 

 15rnner (U.rf.N.M. — Kiley collection); Ilarneyp Peak, JS<mtli Dakotii, 

 7,(KKMo S,00() feet, lirnner (same); Fort McKinney, .lolmson County, 

 Wyomiiifj. .hily (same); iSheridan, Wyoming, Aufifust 12, L. IJruner: 

 Tondre IJiver, Colorado, .lune (U.S.N. M. — liiley collection); south 

 ern Colorado, .lune 11-20, Lieutenant (.'arpenter (same; S. IL JScmhler); 

 Taos IVak, San^re de Cristo Mountains, New .Mexico, 13,000 leet, Car 

 per.tcr (U.S.N.M. — Kiley collection). 



It is also cr<»dited to Pine liid^e, in the extreme northwestern part 

 of Nebraska (Bruuer). 



57. MZLANOPLUS GRACILIPES, new species. 



^ Plato XVI, fiJ,^2.) 

 Pezoietlis ffratUipes M( Nkh.i.!, MS. 



Of small size and slender form, fusco-testaceons, more or less ferru- 

 ginous. Head not prominent, testaceous, more or less heavily and dis- 

 tinctly punctate with fuscous, ijenerally fuscous ab»>ve, with a broad, 

 fuscous, i)ostocular band; vertex feebly tumid, scarcely elevated above 

 the ])ronotuni, the interspace between the eyes narrow, not (male) or 

 scarcely (female) wider than the lirst antennal Joint; fastijiium steei)ly 

 declivent, moderately sulcate; fiontal costa fading before the ciyi)eus, 

 equal or subeciual, as wide as (female)or slightly wideithan (malc; the 

 intersi)ace between the eyes, sulcate at and below the ocellus, punctate 

 throughout and more or less biseriately; eyes moderately large, rather 

 prominent, much longer than the intraocular portion of the genac; 

 antennae testaceous, about four-tifths (male) or one-half (female) as long 

 as the hind femora. Pronotum subecjual, faintly enlarging posteriorly, 

 the lower jmrtion of the lateral lobes testaceous, the ui)per occu[)it'd 

 by a piceous postocular stripe whiidi only crosses the j)rozona, the disk 

 broadly convex, passing into thesubvertical lateral lobes by a rounded 

 but abrupt angulation, which forms very blunt percurrent lateral cari- 

 nae; median carina distinct but low, percurrent, hardly more distin(;t 

 on the metazona than on the prozona; front margin faintly convex, 

 hind margin subtruncate but faintly angulate; prozona distinctly Ion 

 gitudinal (male) or transverse (female), more than half as long again as 

 the densely and very distinctly punctate metazona. Prosternal spine 

 moderately long, erect, appressed, conical, blurt; interspace between 

 mesosternal lobes nearly half as long again as broad (male) or trans- 

 verse, but much narrower tlian the lobes ( female). Tegmina abbreviate, 

 about as long as the pronotum, broad ovate, attingent, apicall\' anguhite. 

 brownish fuscous. Fore and middle femora slightlv tumid in the m:dc; 

 hind femora long and slender, dull testaceous, sometimes with a fen 11 

 ginous tinge, more or less sprinkled with fuscous dots, which wlieii 

 most profuse fire collected in two obli^iue fasciations seen most clearly 



