April, 1844.] 31 



2. H.polita. Black, slightly pubescent : tergum polished ; elytra and feet pale 

 fuscous, the former with the suture dusky. — 1 1. long. Pennsylvania. 



Head narrower than the thorax, black, slightly punctured : antennae as long 

 as the thorax, dark brown, basal joints piceous: palpi and thorax not as wide 

 as the elytra, minutely and not very closely punctured, black, glossy : elytra 

 longer than the thorax, indistinctly punctured, pale brown, with the suture 

 dusky : tergum deep black, polished, particularly the fifth and sixth segments : 

 feet pale, somewhat piceous: body beneath black. 



3. H. modesta. Black, pubescent; basal joints of the antenna), elytra and 

 feet testaceous. — 1 1. long. Pennsylvania. 



Body fusiform, black, pubescent: head narrower than the thorax, suborbicu- 

 lar, minutely punctured, black, glossy: antennae, larger than the thorax, some- 

 what slender, brown, three basal joints and tip of terminal one testaceous : 

 thorax narrower than the elytra, transverse, glossy, confertly and minutely 

 punctured, obsoletely indented on the middle of the base : elytra longer than 

 the thorax, slightly indented at the scutel ; minutely punctured, rufo-testaceous, 

 with the suture dusky : tergum somewhat rugulose and punctured, with the 

 fifth and sixth segments polished and coarsely punctured ; anal segment and 

 posterior margin of the sixth segment, obsoletely rufous or piceous : body 

 beneath distinctly punctured, black, with the anterior abdominal segments 

 piceous. 



Oligota, Mannerheim. 



0. pedicularis. Linear, piceous ; feet, palpi and base of the antennae testa- 

 ceous. — 3-5 1. long. Pennsylvania. 



Aleochara pedicularis, Melsh. Catal. 



Head narrower than the thorax, slightly indented on the front, subpubescent, 

 minutely and not densely punctured, blackish with a rufous tinge : antennae 

 longer than the thorax, incrassated towards the tip, brownish, with the basal 

 joint testaceous : thorax transverse, narrower than the elytro, angles rounded ; 

 minutely punctured, reddish-brown-piceous : elytra somewhat longer than the 

 thorax, indented about the scutel, minutely punctured, dark-reddish-brown, 

 with the apical margins piceous; like the thorax, slightly pubescent: abdomen 

 black, pubescent, punctured ; anal segment obsoletely rufous : feet testaceous. 



GYnonijENA, Mannerheim. 



1. G. rufa. Testaceous; eyes, exterior angles of the elytra, and a spot on 

 the dorsum black. — ^ 1. long. Pennsylvania. 



Aleochara rufa, Melsh. Catal. 



Testaceous, glossy, minutely and obsoletely punctate : head nearly as long 

 and wide as the thorax : antennae ? eyes black : thorax not much more than half 

 the breadth of the elytra, transverse, slightly marginate, apex and base truncate, 

 angles obtusely rounded : elytra longer than the thorax, and paler than the 

 same, with the apex and exterior angles dusky or blackish: abdomen more ob- 

 viously punctured than the head and thorax ; a dusky transverse spot on the 

 fifth segment, terminal segment rounded : feet colour of the body. 



2. G.flavicornis. Oval, depressed ; antennas, palpi elytra, feet and tergum, 

 testaceous ; head, thorax, exterior posterior angles of the elytra and a fascia on 

 the tergum, black. — 1 1. long. Pennsylvania. 



