TACHYPORID.E. ALKOCHAKA. 143 



Fiiscons-hlacJc, with a delicate opaque ashy pubescence : head narrower than 

 the thorax, suborbiculate : palpi rufous : thorax rounded : elytra longer and 

 rather broader than the thorax, fuscous : abdomen above twice the length 

 of the elytra, conic, with the apex fuscous : legs testaceous, the posterior 

 darker : anten-nce as long as the thorax, slightly thickened, fuscous, pilose, 

 with the terminal Joint very large, ovate, with the apex compressed, obtuse. 



From the Marshamian Collection : of its locality I am ignorant. 



iSp. 106. tenuior. Nigra, angustata, elytris fuscis, pedibus iestaceis, antennis 



JUiformibus articulo extimo majori. (Long. corp. | lin.) 

 Al. tenuior. Kirby MSS — Steph. Catal. 265. No. 2701. 



Black, rather obscure, smooth, glabrous : head a little narrower than the 

 thorax, subtriangular : thorax subtransvsrse, rounded behind : elytra 

 scarcely longer than the thorax, dull ferruginous : abdomen above thrice as 

 long as the elytra, acute, slightly pilose, with the apex pitchy : legs yel- 

 lowish: antennce piceous, with the base ferruginous, longer than the thorax, 

 filiform, with the terminal joint suddenly larger than the rest, acute. 



Taken in Suffolk, I believe by Mr. Kirby. 



Sp. 107. castanipes. Nigra, nitidiuscula, pedibus ferrugineis. (Long. corp. 



H lin.) 

 Al. castanipes. Kirby MSS.— Steph. Catal. 265, No. "2102. 



Black, smooth, rather shining, glabrous : head narrower than the thorax, 

 somewhat rounded : thorax longer than the head, subtruncate anteriorly, 

 rounded and rather wider behind : elytra scarcely longer, but broader than 

 the thorax, submargined, slightly pubescent : abdomen thrice as long as 

 the elytra, with the apex somewhat acute: legs ferjmginous : antennse 

 nearly as long as the thorax, rather thickened, with the terminal joint 

 turbinate. 



Found in Norfolk ; apparently rare. 



Sp. 108. parvula. Atxa, subpubescens, nitidiuscula, pedibus rufescentihus, 



thorace obsoletius canaliculato. (Long. corp. f lin.) 

 Al. parvula. Kirby MSS.— Steph. Catal. 265. No. 2703. 



Black, rather shining, with a delicate black pubescence : head narrower than 

 the thorax, orbiculate, finely punctulate : thorax also finely pvmctulate, 

 transverse, subtruncate in front, rounded behind, with an obsolete dorsal 

 furrow : elytra longer and broader than the thorax, quadrate, very thickly 

 punctured: abdomen narrower than the elytra, scarcely twice as long, 

 more glossy than the rest of the body : legs ferruginous, with the femora 

 dusky: antennae longer than the thorax, somewhat filiform, with the ter- 

 minal joint ovatc-acutc. 



Found in Norfolk, Suffolk, and Devonshire. 



