420 Memoirs on the Coleoptera 



conspicuous, forming about two irregular lines on each; beak (9 ) 

 nearly as in the preceding, except that the antennae are inserted 

 more evidently beyond the middle though similar otherwise, or (cf) 

 more quadrate in section, sculptured, squamulose and subopaque, 

 rather more tapering, more abruptly bent at base but not differing 

 much in length, the antennae inserted only a little further forward 

 and not so apical as in scutellum-album and allied species; outer 

 funicular joints not evidently wider or transverse, the basal tooth of 

 the club small and feeble; prothorax two-fifths wider than long, 

 rather coarsely, very densely punctate, sometimes with traces of a 

 narrow impunctate line centrally; elytra more elongate, fully two- 

 fifths longer than wide, at the obtuse humeral prominences only very 

 slightly wider than the prothorax, four-fifths longer, the striae rather 

 coarse, with scarcely discoverable squamules, the intervals coarsely, 

 closely punctate and two to three times as wide as the striae. Length 

 (cf' 9 ) 3-65-4.5 mm.; width 1. 5-1. 9 mm. Colorado (Greeley), — 

 Wickham. Three examples greeleyi n. sp. 



6 — Oblong, black, with more or less rufescent legs, dull, clothed with 

 numerous whitish scales above, slender and well separated on the 

 pronotum, linear but broader on the strial intervals, where they 

 are loosely arranged in about two lines on each; scales beneath large, 

 white and dense; beak in the female nearly straight and feebly 

 tapering, broadly arcuate in about basal half, smooth, but little 

 longer than the head and prothorax; antennae inserted slightly 

 beyond the middle, rufous, with piceous club; prothorax not quite 

 one-half wider than long, the apex feebly constricted, fully half as 

 wide as the base, the basal lobe a fourth the total width; punctures 

 rather coarse, very dense, the smooth median line narrow and much 

 abbreviated; elytra with broadly arcuate oblique sides and not very 

 obtuse apex, nearly a third longer than wide, at the rather prominent 

 humeri only slightly wider than the prothorax, three-fourths longer, 

 the striae moderate; intervals from two to three times as wide as the 

 striae, rather coarsely punctato-rugose. Length (9) 3.7-4.4 mm.; 

 width 1.5-2.0 mm. Dakota. Four examples. . . . quadricollis n. sp. 



7 — Form rather narrowly rhomboid-oval (cf) or stouter (9), black 

 throughout, clothed above with conspicuous though not compactly 

 dense white scales, slender and well separated on the pronotum, 

 linear but thick, very white and arranged in two loose uneven rows 

 on each strial interval, large, oval, dense and white beneath; beak 

 (cT) stout, dull, squamulose, evenly arcuate, longer than the head 

 and prothorax, with the antennae inserted well beyond the middle 

 and the tooth of the club small and inconspicuous, or (9 ) a little 

 more slender but not longer, smooth, arcuate, somewhat more so 

 at base, with the antennae similarly inserted; prothorax a third to 

 one-half wider than long, the parallel and nearly straight sides 

 broadly rounding and converging in about apical half; punctures 

 rather coarse, very dense, with feeble smooth line centrally; scutel- 

 lum quadrate, densely albido-squamose; elytra a third to fourth 

 longer than wide, the notably oblique sides only very feebly arcuate, 

 the apex rapidly obtuse, at the moderate humeral prominences 



