(Page 244) 



Only half as large as impressa and of dark color, but the body of same 

 form. 



Black, glistening, rather finely haired, along the sides somewhat rough- 

 haired; antennal base and mouth-parts brownish, legs brov.nish red-yellow. 



Head as broad as pronotum, polished and not punctated; antennae slight- 

 ly more slender than in the preceding species, their next-last Joints hard- 

 ly transverse. Pronotum with simple and fiable punctation or almost impunc- 

 tate, and a rather deep medial groove, which posteriorly runs into the trans- 

 verse groove, its two dorsal grooves are robust and diverging forwardly, 

 the corner-f oveae deep and somewhjat elongate; elytra ih times as long as 

 pronotum , smooth, with distinct basal f oveae and a fine sutural groove; 

 abdomen feebly narrowing anteriorly, forwardly almost smooth, hindwardly 

 finely and sparsely punctated. L. 1.5-2 mm. 



Distributed in North and Middle Europe, but rare in this country; at 



rotting plants, under dry cow-manure and sometimes in fungi. 



(Page 245) 



3. A. puncticollis Sharp. 



(Sharp Transact. Entom. 1864, 45; Thorns. Skand. Col. IX, 204; Muls. 

 et Fey Brevip. 1371, 320; Janglb. Kaf. K. II, 262). 



Of same size as impressa or a little smaller, but black like rivularis , 

 glistening, with rather long and dense, gray rough-hair vestiture; legs 

 brownish-yellow with darker femora. 



Head very finely, pronotum distinctly and rather densely punctated, 

 its groove in middle-line feeble and posteriorly entirely evanescent, the 

 other grooves and the corner-f oveae same as in impressa . Elytra and ab- 



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