114 MANDIBULATA. COl.F.OPTKi; A. 



base and sides finely margined, the disc subfovcolato : elytra somewhat 

 transverse : abdomen scarcely narrower than the elytra, recurved, with the 

 apex pitchy : legsj'uscuus-bluck : tibiiv paler, posterior elongate ; tarsi ferru- 

 ginaiis : antenna: rather long, stout, thickened exteriorly, ft rruninous, the 

 terminal johit subconic : palpi ferruginous. 



Rare: taken "in boleti in SufFolk/'' — Kirhy MSS. 



* * Scarcely triih a silke?i j»'le. 

 t Elytra of a dissimilar colour to the body. 



Sp. 13. xanthopa. Atra pichescens obxciiriuscnla, antcnnis cli/trisrjue fuscis, illis 



basi paljnsque riifis, pedibusjlavis. (Long. corp. !§ lin.) 

 Al. xanthopa. Kirby MSS.—Stcph. Catal. 26 1. No. 2608. 



Black, smooth, clothed with an obscure, very short, pile : head suborbiculate, 

 scarcely narrower than the thorax, slightly shining : thorax truncate ante- 

 riorlj', rounded behind, somewhat flat : elytra rather longer and broader 

 than the thorax^ subquadrate, of a dull lurid fuscous : abdomen linear, 

 rather more shining than the rest of the body: legs fulvous-yellow: palpi 

 rufous: antennw scarcely thickened exteriorly, pubescent, fuscous, with the 

 basal joint 7'ufescent, Or rufous, the terminal one short, conic. 



Rather scarce : found in Norfolk and in Suffolk. " On the banks 

 of the Orwell, near Claydon ; the insect runs with great velocity-'" 

 —Kirby MSS. 



Sp. 14. tricolor. Nigra, subsericea, antennis elytris anoque fuscis, pedibus 



testaceiv, (Long. corp. 1 lin.) 

 Al. tricolor. Kirby MSS.—Steph. Catal. 261. N'o. 2609. 



Black, clothed with an obscure short silken pubescence : head suborbiculate, 

 scarcely narrower than the thorax ; thorax as broad as long, subtruncate 

 anteriorly, a little rounded behind, with a very faint channel : elytra rather 

 longer and broader than the thorax, fuscous : abdomen above twice as long 

 as the elytra, rather shining, with the apex pitchy : legs testaceous : anienr.ts 

 subfiliform, about as long as the thorax, pilose, rufo-fuscous, with the ter- 

 minal joint rather long ovate, acute. 



Taken in Suffolk, and I believe also in Norfolk. 



Sp. 15. longicornis. Atra, nitida, antennis longiuscidis filiformibus, elytris 



fuscis, pedibus ferrugineis. (Long. corp. 1 lin.) 

 Al. longicornis. Gravenhorst.—Steph. Catal. 261. No. 2610. 



Rather shoi-t, black, shining, slightly pubescent : head suborbiculate, rather 

 narrower than the thorax : thorax as broad as long, longer than the head, 

 somewhat truncate in front, rovmded behind: elytra nearly as long, but 

 broader than the thorax, rather convex, punctulate, J"«5com5 / abdomen twice 

 as long as the elytra : legs dull ferruginous ; the posterior femora dusky: 



