THE LAlIELIilCOIiX BEETLES. 925 



1743 (5486). At^exius imbeicatls Melsh., Proc. Phil. Acad. Nat. Sci., II, 



1S44, 136. 

 Oblong-oval, moderately convex. Piceous. opaque, the surface usually 

 covered with a brownish-gray coating; legs brownish, antenna and palpi 

 paler. Clypeus broadly but feebly emarginate, its sides broadly curved, 

 nearly smooth at middle; vertex densely punetnte. Thorax nearly twice 

 as wide as long, slightly narrower behind ; sides in front curved, hind angles 

 very obtuse, base broadly curved ; surface with rather coarse and closely 

 placed punctures, which are but faintly visible on account of coating. Ely- 

 tra as wide at base as thorax, humeri acutely dentate ; striae rather deep, 

 with coarse, not closely placed indistinct punctures; intervals flat, each 

 with a single row of fine punctures bearing a small, scale-like yellowish 

 hair. Length 4-^.5 mm. 



Lake County; rare. 'May 2.')^uly 12. Two specimens only 

 from beneath rubbish; one from the lake beach near Pine; the other 

 from Hess^•ille by Wolcott. Occurs from ]\Iassachusetts to Texas. 



1744 (54S7). At.ej,-ix-s ai.terxatus Melsh., loc. cit., p. ir.7. 



Resembles imhricatus in form and color. Head densely punctured, the 

 punctures equal, at sides more rugose. Thorax similar to that of imbri- 

 oatus. the ba.se undulate, not regularly curved. El.rtral strias fine, with 

 rather distant inconspicuous punctures, often hidden by the surface coat- 

 ing ; intervals slightly convex, the alternate ones. l-o-->-7. more acutely 

 elevated along the middle. Length ."..5-4.5 ram. 



Posey County ; rare. June .3. Occurs from Pennsylvania to 

 Texas. 



A. ovatuhis Horn, picemis-black, legs and antenme paler, length 

 3.5 mm., is known from Pennsylvania to Louisiana. 



1745 (5491). AT.E^"irs gracilis Melsh., loc. cit., p. 3-".7. 



Elongate, slender, parallel, subdepressed. Piceous black, moderately 

 shining ; legs brownish ; tarsi, palpi, antennse and very narrow front mar- 

 gin of thorax, paler. Clypeus rather smooth in front ; vertex rather closely 

 and coarsely punctate. Thorax one and a half times wider than long, hhid 

 angles broadly rounded, base curved, its marginal line very distinct ; disk 

 with a distinct impression near front angles and a feebler one at middle 

 of sides, surface rather coarsely and closely punctate. Elytra as wide as 

 thorax, striae deep and broad, not distinctly punctured; intervals strongly 

 convex, almost like carina;, each with a row of slight elongate elevations 

 on the sides below the summit. Mesosternum opmiue. coarsely punctured, 

 strongly carinate between the coxii;. Length 3-4 mm. 



Throughout the State ; frequent. April 23-( )ctober 10. A pret- 

 tily marked and very distinct little species, ^ndely distributed over 

 the Ignited States. 



A. strigatus Say, pieeous-black, legs and antennas paler, length 

 •i.5-5 mm., is said to occur froiri the ^liddlc States westward and 

 southward. 



