332 MANDIBULATA. COLEOPTERA. 



Found sparingly within the metropolitan district. " Taken in a 

 ditch at Spexhall in Suffolk.'' — Kirhy MSS. 



B. Witli the femora simple, slender. 



Sp. -t. depressus. Niger, depressus, ihorace canaliculato, margins obsolete 

 sinuate, pedibus riijis. (Long. corp. 1 lin.) 



Sta. depressus. Paykull — Me. depressus. Steph. Catal. 295. No. 3222. 



Viichy -black, depressed, rather obscure : head narrower than the thorax, 

 punctured, with a slightly elevated longitudinal ridge in the middle : thorax 

 truncate in front and behind, the lateral margins somewhat curved, each 

 having two rather obsolete sinuations; the posterior angles emarginate, 

 disc punctured, and with a longitudinal impressed dorsal line : elytra very 

 thickly punctured: abdomen slightly punctured : legs red : antennae as long 

 as the thorax. 



Found not uncommonly within the metropolitan district ; also in 

 Suffolk and in Devonshire. " Crwmlyn Bog, by Dr. Leach." — 

 L. W. Dillwyn, Esq. 



Sp. 5. emarginatus. Nigro-piceus, depressus, thorace canaliculate, angulis 

 posticis emarginatis, lateribus hand sinuatis. (Long. corp. IJ lin.) 



Me. emarginatus. Kirby MSS — Steph. Catal. 295. No. 3223. 



Pitchy-h\ac\i, obscure, depressed : head punctured, with a longitudinal frontal 

 ridge : thorax with the lateral margins reddish, but 7iot simiated, the posterior 

 angle notched, disc with a dorsal channel, and punctured : elytra pitchy, 

 very thickly punctured, half the length of the abdomen: legs red: antenna 

 dusky. 



The lateral margins of the thorax are sometimes concolorous with the disc, and 

 the femora are occasionally dusky or pitchy-black. 



Found in boleti, dung, &c. within the metropolitan district, and in 

 Suffolk. "Woodland, Devon."— Dr. Leach. " Raehills."— i?ew. 

 W. Little. 



Sp. 6. macropterus. Niger, subpubescens, antennisjuscis basi pedihusque rufo- 

 testaceis, palpis fuscis, thorace siibpunctato. (Long. corp. 1 lin.) 



Omal. macropterum. Gravenhorst. — Me. macropterus. Steph. Catal. 295. 

 No. 3224. 



Black, slightly pubescent : head subtriangular, finely punctured, with a faint 

 fovea on each side near the eyes: thorax very short, and \ ex j finely punc- 

 tured, rather convex, with an obsolete impression behind, the posterior 

 angles acute : elytra thickly and delicately rugose-punctate, with the 



