42 AMERICAN COLEOPTERA. ' 



less transversely wrinkled alonj: the median line; apex emarginate; median line 

 distinct, abbreviated in front; transverse impressions varying from moderately 

 vcell marked to nearly obsolete; basal impressiojis broad, deeply bifoveate; base 

 truncate; sides with the margin narrowly reflexed, rounded, sinuate immedi- 

 ately in front of the hind angles, which, though small, are acute, slightly promi- 

 nent and obtusely carinate. Elytra slightly wider than the thorax, deeply 

 striate; strite entire, very distinctly and closely punctate, the punctures becom- 

 ing evanescent at tip; scntellar stria long; intervals flat or nearly so. Body 

 beneath piceous; prosternum more or less punctured at the sides in front, the 

 prosterual side-pieces impunctate; meso- and metasternal episterna and sides of 

 metasterjiurn and first three ventral segments closely punctate. Legs rufous. 

 Length .24-.33 inch ; 6-8.25 mm. 



In the males there is a deep oval fovea on the prosternum slightly 

 in front of the middle, while between tins and the tip is a short 

 groove,, the latter being present also in the females, though less 

 marked than in the males. 



But slight variation, besides what is indicated in the description, 

 is shown. A few specimens in the series before me are devoid of 

 punctures near the apex of the thorax. The two basal joints of the 

 middle and hind tarsi sometimes exhibit faint traces of grooves. 

 About fifty specimens have been studied. 



It is known to me from the Magdalen Islands, Nova Scotia, 

 Canada, the White Mountains of New Hampshire (occurring at 

 as high an altitude, as 5053 feet, as the Lake of the Clouds on 

 Mt. Washington), Mt. Desert, Maine, Lowell, Tyngsboro, Manches- 

 ter, Methuen, Brookline, Nantucket and Chicopee, Massachusetts, 

 the Adirondack Mountains, New York, and Newark, New Jersey. 

 It occurs also in Europe and Siberia. To the kindness of Herr 

 Th. Gotzelmann I am indebted for examples from Ujj)est, Hungary. 



26. A. schwarsei Nobis. — Form oblong-oval, moderately convex, the elytra 

 slightly flattened on the disk. Color dark piceous or nearly black, with faint 

 feneous lustre, shining, very finely ftlutaceous in the females. Head scarcely 

 narrower than the thorax at apex ; eyes moderately large and prominent; frontal 

 grooves short, not extending forward on to the epistonia; autennaj slightly 

 shorter than the head and thoiax, rufous; palpi rufous. Prothorax subquadrate, 

 about one-half broader than long, widest about the middle, slightly wider at 

 base than apex ; apex emargiiiate; median line distinct, slightly abbreviated in 

 front; transverse impressions feeble, the posterior usually obsolete; basal impres- 

 sions broad, deeply bifoveate, punctate; base truncate; sides with the maigin 

 narrowly reflexed, but translucent, slightly rounded in front, oblique beliind ; 

 angles obtuse, obtusely carinate. Elytra slightly wider than the thorax, striate; 

 strise entire, punctate to behind the middle, tlie scutellar stria long; intervals 

 nearly flat. Body beneath piceous, the abdomen tinged with rufous; prosternum 

 and prosternal side-pieces impunctate; mesosternal episterna sparsely punctured 



