AMERICAN COLEOPTERA. 199 



posteriorly, sides feebly arcuate, behind the middle very distinctly sinuate, 

 surface densely punctured, more coarsely than the head, median smooth line 

 very feeble at middle, slightly more evident in front and very distinctly 

 marked posteriorly, color piceous often with paler spots especiallj' along the 

 basal margin, surface sparsely pubescent, varying iu color with the color of 

 the surface from which it arises. Scutellum with cordiform velvety spot 

 partially divided, sides punctured. Elytra a little wider than the head, con- 

 jointly as wide as long, surface densely punctured with small widely scattered 

 smooth spaces, sparsely clothed with dark pubescence, irregularly marmorate 

 with velvety, fringed at the tip with rufous hairs. Abdomen above black, 

 finely punctulate, segments 2 — 4 with a velvety space at middle usually in 

 form of letter II, the remainder of the surface of these segments sparsely 

 clothed with dark pubescence intermixed with grey, segments 5 — 6 entirely 

 clothed with greyish sericeous pubescence, last segment black; beneath moder- 

 ately densely, finely punctured, and moderately densely clothed with grey 

 sericeous pubescence over the entire surface. Body beneath densely pubescent 

 and with grey pubescence. Legs black, pubescence brownish. Length .50 — 

 .60 inch; l^.S— 15 mm. 



The characters above given separate this species abundantly from 

 any other known to me. The males have a larger head than the females 

 and the sixth ventral segment is triangularly emarginate. 



This species occurs in Ontario (Pettit), and New York (Schaupp), 

 living in fungi. 



IIADROTES Lee. 



Last two joints of maxillary palpi equal. Lateral lines of thorax 

 distinct and separate. Body apterous. Anterior tibiae feebly tri- 

 angular, the apical angle slightly prolonged, posterior face with short 

 stout spinules. Middle and posterior tibijB gradually thicker to the 

 tip and armed with numerous short, stout spinules. 



H, crassus Mann., {iStaphyl.) Bull. Mosc. 1846, ii, p. 509; extensus Lee, 

 Proe. Acad. 1861, p. 342. — Piceous black, shining. Head and thorax smooth 

 and shining, the former with punctures at the sides of the neck. Thorax as 

 wide as long, slightly narrowed posteriorly, sides nearly straight, base broadly 

 arcuate. Scutellum punctured. Elytra as wide as the thorax, conjointly as 

 wide as long, surface glabrous wrinkled. Abdomen very coarsely but sparsely 

 punctured, a smooth space at middle of each segment, surface sparsely clothed, 

 with brownish pubescence; beneath rather more densely punctured than above, 

 with brownish pubescence, last four segments with a few erect hairs. Legs 

 piceous, tibiee and tarsi somewhat paler. Length .50 — .68 inch; 13 — 17 mm. 

 Occurs from Alaska to Middle California. 



CREOPHIIiUS Mann. 

 The fourth joint of the maxillary palpi is a little shorter than the 

 third. The lateral lines of the thorax do not unite, the outer be- 

 coming entirely obsolete one-third from the anterior angle. The 

 antennae are short the outer joints gradually broader, the terminal 

 longer but narrower than the preceding and distinctly emarginate 

 at tip. 



