,42 MANDIBULATA. — COLEOPTERA. 



shire, &c. " Not uncommon, particularly on Crwmlyn and Sketty 

 Burrows." — L. W. Dillwyn, Esq. 



Sp. 6. leucpstigma. Subelongatus , niger, subtus palUduSj suturcB hasi alb&, 



elytris nigro-cinerascentibus, interstitiis tuberculatis. (Long. corp. 1-| lin.) 

 Cu. leucostigma. Marsham. — Rh. leucostigma. Steph. Catal. 157. No. 1590. 



Longer but scarcely broader than the last : black : thorax with an obsolete dorsal 

 line, and the sides broadly pale: elytra rather deeply striated, clouded with 

 cinereous, the interstices with black tubercles : the base of the suture with 

 an oblong white spot, the middle dusky, and towards the apex white : legs 

 dull piceous, anterior femora dusky. 



: My specimens were obtained from the Marshamian collection, 

 and appear perfectly distinct from Rh. Castor, the form being dis- 

 similar. 



Sp. 7. interstitialis. Brevius, niger, subnudus, subtus parce albido-squamosus, 

 ■ interstitiis elytrorum, tuberculatis, pedibus rufis. (Long. corp. \^ lin.) 

 Cu. .f* interstitialis. 'Reich. — Rh. interstitialis. Steph. Catal. 157. No. 1591. 



Short; black; somewhat glabrous ; with a few whitish scales beneath: thorax 

 with an obsolete dorsal and narrow lateral pale line : elytra simply striated, 

 with black tubercles in the interstices, alternating with ashy- white squamous 

 spots: the base of the suture with a narrow white streak : legs rufous. 



Taken near London, and in Norfolk. 



Sp. 8. rufipes. Niger, supra cinereo-nebulosus, elytris tuberculatis, antennis 

 pedihusque rufis. (Long. corp. 1^ lin.) 



Ch. rufipes. Steph. Catal. 157. No. 1592. 



Rather larger than the last: dull black, clouded above with cinereous scales: 

 thorax immaculate, granulated, with a slight dorsal channel : elyti^a faintly 

 and simply striated, the interstices slightly tubercular, the tubercles dusky, 

 alternating 2t)z7/i dull-cinereous scales, base of suture concolorous with the rest: 

 legs and antennae rather clear nfous. 



Taken near London, and at Dover. 



Sp. 9. crassus. Nigro-fuscus, subtus albidus ; antennarum basi, pedibusgue 



rufescentibus, clavu nigro-piced. (Long. corp. 1^ lin.) 

 Cu. crassus. Marsham. — Rh. crassus. Steph. Catal. 157. No. 1593. 



Brown-black, obscure, whitish beneath : head and thorax thickly granulated, 

 the latter immaculate: elytra punctate-striated, the interstices granulated, 

 suture concolorous: legs and base of antennce rufescent, club of the latter 

 pitchy-black : rostrum black. 



Apparently not very common : I have taken a specimen near 

 London, and have received others from Norfolk. 



