TACHYPORID.E. ALEOCHARA. 117 



Black, shining, pundulated, with a short silken pubescence : head rather nar- 

 rower than the thorax^ orbiculate : thorax truncate in front, rounded behind, 

 with a faint impression : elytra rather longer and a little broader than the 

 thorax^ sligYiilj flattened, black, with the disc dull brownish, the shovdders 

 gibbous, the base impressed in the middle: abdomen narrower than, and 

 more than twice as long as, the elytra, smooth, shining and pilose, especially 

 on the sides : legs black, or pitchy-black, with the tarsi rufous ; antennae 

 black, slender, but slightly thickened at the apex, the terminal joint 

 conic-acute. 



Taken within the metropolitan district, and in Suffolk. 



Sp. 23. assimilis. Nigra, subsericea, punctulatissima, tlbiis subtestaceis, elytris 



thorace longioribus. (Long. corp. 11 lin.) 

 Al. assimilis. Kirby MSS.—Steph. Catal. 262. No. 2618. 



Black, very finely punctured, and a little shining, glossed with a delicate ashy- 

 silken pubescence : head scarcely narrower than the thorax, suborbicidate : 

 thorax rather longer than the head, with an obsolete impression behind : 

 elytra longer and broader than the thorax, depressed towards the scutellum, 

 with an elevated humeral callous, with a few fuscous hairs : abdomen linear, 

 scarcely twice as long as the elytra, glabrous, smooth, and shining : legs 

 pale testaceous, with the femora brownish : antennae scarcely shorter than the 

 thorax, with the terminal joint ovate-conic, acute. 



Also taken within the metropolitan district. "Found in the 

 autumn in Suffolk."— A'm-6?/ ikf*S'*S'. 



Sp. 24. teres. Nigra, nitidiuscula, elytris obscuris piceis, pedibus testaceis. 



(Long. Corp. \^ lin.) 

 Al. teres. Gravenhorst. — Steph. Catal.262. iVo. 2619. 



Black, rather shining, smooth : head scarcely narrower than the thorax, sub- 

 orbiculate : thorax scarcely longer than the head : elytra broader than the 

 thorax, but scarcely longer, very obscure piceous : abdomen linear, more than 

 twice as long as the elytra, with the extreme apex pitchy : legs testa- 

 ceous: antennae longer than the thorax, slightly thickened at the apex, the 

 articulations distinct, the three basal ones longer than the rest, the terminal 

 one ovate-acute. 



Taken within the metropolitan district ; also in Suffolk, Norfolk, 

 and Scotland. 



Sp. 25. clongata. Nigra, longiuscula, antennis fcrrugiiieis elytrorum longi- 

 tudine, thorace antice latiori, elytris rufo-fiiscis, pedibus testaceis. (Long. 

 Corp. 1| lin.) 



Al. elongata. Kirby MSS.—Steph. Catal. 2G2. A'n.2(i20. 



Elongate, black, with a long, (hick obsturc jiubcsccncc: head rather narrower 



