396 [June 



above smooth, the segments anteriorly with fine, scattered punctures. 

 Length 1J line. 



Hab. — Pennsylvania. 



Black, polished, clothed with thin scattered pubescence. Antennae 

 as long as the head and thorax, slightly thickened towards the apex, 

 the penultimate joint slightly transverse, the last oblong-ovate, some- 

 what acuminate ; black, the base testaceous. Palpi testaceous. Head 

 narrower than the thorax, rounded, moderately constricted at base, 

 sparsely and obsoletely punctured. Thorax a little narrower than the 

 elytra, one-half shorter than broad, sides and base slightly rounded, 

 apex truncate, angles generally obtuse, finely and densely punctured, 

 rather convex, obsoletely channelled, the base rather profoundly foveo- 

 lated. Elytra half again as long as the thorax, closely and distinctly 

 punctured, testaceous, shining, sides somewhat fuscous. Abdomen 

 with the dorsal surface entirely smooth, or the segments anteriorly very 

 finely punctured. Legs testaceous. — Erichson. 



4. Homalota dichroa. Grav. 



Aleochara dichroa, Grav. Micr. i, p. 186.1 ; Mon. p. 158. 25. 



Homalota dichroa, Erich. Staph, p. 107. 52. 

 Black, somewhat shining; antennae slender, their base, elytra, legs 

 and anus, luteous; thorax finely channelled, base obsoletely foveolated; 

 abdomen above closely punctured. Length \\ line. 



Hab. — North America. 



Body black, somewhat shining, the pubescence very thin and subse- 

 riceous, the sides sparsely pilose. Antennae nearly as long as the head 

 and thorax, slender, somewhat thickened towards the apex, third joint 

 a little longer than the second, joints 5 — 10 subequal, the two penulti- 

 mate joints equal, apex somewhat acuminate ; black, the base testace- 

 ous. Palpi testaceous. Head a little narrower than the thorax, subor- 

 bicular, constricted at base, smooth, the front somewhat depressed. 

 Thorax not narrower than the elytra, more than half broader than long, 

 the base and sides slightly rounded, the apex slightly emarginate, the 

 anterior angles rather acute, subdepressed, finely channelled, the basal 

 fovea obsoletely impressed, very finely punctured; nigro-piceous. sub- 

 opaque. Elytra a little longer than the thorax, finely punctured, opaque, 

 luteous. Abdomen above shining, closely but distinctly punctured, 

 apex luteous. Legs luteous. — Erichson. 



5. Homalota vestigialis. Erich. 



Homalota vestigialis, Erich. Staph, p. 112. 64. 

 Linear, subdepressed. black, somewhat shining ; elytra fuscous ; legs 



