(522) 
obliquely flattened behind, the intervals finly punetured and 
pubescent, the 7" acutely elevated towards the tip. 
Long. 1 ‘/, lin. (3 mm). 
Massachusetts. (Also found in Pennsylvania; the elevation of 
the 7" interval forms the acute margin of the apical oblique 
declivity of the elytra, and also exists in the preceding species; it 
is however somewhat serrate in that, but quite entire in the 
present. — Lec.) » 
« X. obesus, Lec. (loc cit., app., p.159, 5). — Short and stout, 
cylindrical, blackish-brown, thinly clothed with long soft ercct 
pale hairs, antennae reddish-brown, head convex, coarsely but 
not densely punctured; prothorax rather broader than long, 
strongly roughened with subacute tubereles in front, nearly 
smooth behind; elytra with rows of large punctures, not very 
closely set, intervals flat marked with small distant punctures 
from wich proceed the long hairs; tip obliquely declivous, not 
tuberculate, but with the striae somewhat impressed, and the 
side and tip acutely margined, as in the two preceding species. 
Long. 5 mm. 
Virgina, Massachusetts and Canada. » 
5. X, ATRATUS, Eichh. 
Oblongus cylindricus, niger, longius pubescens, antennis pedi- 
busque testaceis; thorace lateribus leniter rotundato, posterius 
profundius punctato; elytris punclato-striatis, interstèliis uni- 
serialim subaeque punclatis, apice convexe subretusis oblique 
declivibus, punclato-striatis, interstiliis subtiliter uniseriatim 
granulato-punctatis, singulo juxta suturam subsulcato-retuso ; 
margine apicali subtiliter elevato. 
Long. 3 mm. 
Xyleborus atratus, * Eicux., Ann. Soc. ent. Belg., 1875, p. 201. 
