March 1897] BeUTENMULLER : COLEOPTERA N. E. AMERICA. 37 



hind ; remaining striae obsolete ; marginal stria abbreviated anteriorly, 

 with four punctures at the humeri ; legs testaceous. Length, 2.25 mm. 



Habitat : New York and westward to the Rocky Mountains. 



T. ventricosus Lee. — Piceous, glossy ; head and thorax somewhat 

 rufous; thorax slightly convex, transverse, somewhat narrowed on each 

 side behind, hind angles obtuse, slightly prominent; elytra ovate, 

 broader than the thorax, bipunctate, sutural stria deep posteriorly, remain- 

 ing striae obsolete; legs and antennae flavo-testaceous. Length, 2.5 mm. 



Habitat : New York and southward. 



T. laevis Say. — Piceous, body tinted with rufous; head rather 

 darker ; antennae paler at base ; palpi whitish ; thorax transversely sub- 

 quadrate, hardly narrowed behind, lateral edge not excurved behind, 

 angles slightly obtuse, angular, basal edge nearly rectilinear, dorsal line 

 obsolete, basal ones wanting ; elytra not punctured and without striae, 

 except an obsolete sutural one; legs testaceous. Length, 1.5 mm. 



Habitat : New York, New Jersey, Pennsylvania, Ohio. 



T. pallidus Chd. — Elongate, head and thorax reddish-testaceous, 

 elytra darker, tips paler; legs palpi, and base of antennse pale testace- 

 ous; thorax broader than long, sides rounded, feebly sinuate before the 

 hind angles which are acute, surface slightly convex ; elytra slightly 

 wider than the thorax, sides feebly arcuate, sutural stria continuous, 

 other striae almost obsolete, near the inner basal angle is a small circu- 

 lar wart-like elevation. Length, 2.3 mm. 



Habitat : New Jersey. 



T. occultator Casey. — Reddish-tetaceous, head nearly black ; legs 

 pale testaceous ; form robust ; thorax with sides strongly rounded, feebly 

 sinuate behind ; posterior angle rectangular, prominent ; median line 

 feeble ; elytra distinctly wider than the thorax, sides feebly arcuate, su- 

 tural stria strongly marked, arcuate without, then a feeble second 

 stria, and beyond traces of a third stria ; two minute punctures ; mar- 

 ginal stria interrupted. Length, 2.8 mm. 



Habitat : New Jersey (Cape May). 



T. nanus Gyll. — Deep black, polished, antennae brown, base and 

 palpi and legs rufous ; thorax nearly as broad as the elytra, somewhat 

 narrowed and slightly sinuate behind ; angles rectangular, basal edge 

 rectilinear ; elytra with dorsal stria, outer striae obsolete, impunctured, 

 lateral stria wanting; feet piceous. Length, 2.25 mm. 



Habitat : N. E. America. Usually found under bark of decaying 

 trees. 



