102 MAXDIBULATA. COl.EOVTEU A. 



smooth, black, with tlie nioutli nitons: t/iora.r suh^dobose, smooth, wi//i 

 j'uin- impressed furrows, of whicli the two outer ones are abbreviated ante- 

 riorly : elytra longer and nuich broader than the thorax, nearly castaneotis, 

 smooth, with the base folded ; abdomen rufous, with a Idaek rhig towards 

 the apex, and the region of the posterior femora also black : legs testaceous : 

 antentuc rather short. 



Taken occasionally near London. " Found on the boletus of the 

 ash in October." — Kirhy MSS. " In putrid boleti in the Penlle- 

 gare-woods." — L. W. Dillwyn, Esq. 



Sp. 3. ruficornis. Ihifescens, niiiila, ccrpite nigricanti, ahdomine cingulo f'usco, 

 ihoruce anticc angusiato, posticc sulcis irilius hiigitudinalibus uhhreviatis, 

 antennis grac'dihus riifis. (Long. corp. 1§ lin.) 



Au. ruficornis. Steph. Catal. 259. No. 2517. 



Reddish, shining : head small dusky : thorax obcordate, narrowed in front, 

 behind ^vith three abbreviated longitudinal furrows : elytra with the base 

 plicate: abdomen with a fuscescent belt towards the apex, legs and antennas 

 slender, rifoiis. 



Taken at Hertford in June. 



Sp. 4. aterrima. Nigra, nitida, pedibus ferrugineis, thorace orhiculaio, sidcis 



quatuur ahhreviatis, elytris hasi pli cutis. (Long. corp. 1 lin.) 

 Au. aterrima. Steph, Catal. 259. No. 2578. 



Black, shining : head small, orbiculate : thorax also orbiculate, narrowed in 

 - front, with four abbreviated sulci, or furrows, on the disc : elytra pubes- 

 cent, slightly shining, with the base plicate : legs entirely/ ferruginous : 

 antenncE black. 



Found in Battersea-fields in the spring. 



Sp. 5. rivularis. Nigra, nitida, tibiis ferrugineis, thorace elytrisque basi 



plicatis. (Long. corp. | lin.) 

 Al. rivularis. Gravenhorst. — Au. rivularis. Steph. Catal. 259. No. 2579. 



Black, shining, nearly glabrous: head broader than the thorax, orbiculate: 

 thorax subglobose, plicate, with four impressed furrows, the two outer ones 

 abbreviated anteriorly : elytra slightly pubescent, longer and much broader 

 than the thorax, the base folded: abdomen nearly twice as long as the 

 elytra: tibiae and tarsi ferruginous: antennce obscure rtfous. 



Not uncommon in the vicinity of the metropolis ; also found in 

 Norfolk, Suffolk, Devonshire ; near Bristol, &c. 



Sp. 6. angusticollis. Nigra, nitida, pedibus piceis, tibiis pallidioribus , thorace 

 angusto obcordato sulcis quatuor abbreviatis, elytris basi plicatis. (Long. corp. 

 i-i lin.) 



