112 MANDIBI'LATA. COLEOPTERA. 



fuscous: anteuniE thickened exteriorly, with the joints turbinate-obconic, 

 the terminal one ovate-acute. 



Not common ; found in Devonshire, and within the metropolitan 

 district. " In an agaric at Great Blaiienham, Suffolk, in November." 

 ^Kirhij MSS. 



Sp. 7. attenuata. Atra, nitidiuscula, antennis elongatis piceis, femoribus nigri- 



cantibus, tibiis tarsisque rufo-piceis. (Long. corp. 1^ lin.) 

 St. attenuatus. Marsham? — Al. attenuatus. Steph. Catal. 261. No. 2602. 



Black, slightly shining, and clothed with an obscure pubescence : head rather 

 narrower than the thorax, suborbiculate : thorax slightly convex, obscurely 

 truncate in front, rounded behind, with a shallow broad fovea towards the 

 base : elytra rather longer and broader than the thorax, dull piceous : 

 abdomen slightly glossy, very much attenuated towards the apex, which is 

 Sicwie: femora dusky; tibice and tarsi pitchy-red: antennce piceous, rather 

 long-, with the terminal joint ovate, obtuse. 



From the Marshamian Cabinet. 



fSp. 8. basella. Atra, obscuriuscula, frojite depressa, thorace canaliculato, 



elytris luteis basi nigris, pedibus flavis. (Long. corp. l^: lin.) 

 At. basella. Kirby MSS.— Steph. Catal. 261. No. 2603. 



Slender, black, opaque, very minutely and thickly punctulate : head nearly as 

 broad as the thorax, orbiculate, depressed above, with the mouth produced: 

 thorax subobcordate, depressed, with a dorsal furrow ; elytra rather longer 

 and broader than the thorax, quadrate, luteous, with the base black: abdomen 

 rather shining, a little broadest towards the apex : legs yellow ; tarsi rather 

 short : antennas black, with the^owr basal joints yellow. 



Apparently very rare ; I believe the only known specimens were 

 " taken beneath rejectamenta of the river Orwell after an inundation, 

 on 3d Feb. 1809.'^— i?eu. W. Kirby. 



B. Thorax scarcely longer than broad, subquadrate. 



a. Antennce with the intermediate joints bell-shaped. 



1. Body for the most part black. 



* With a silken pile. 



Sp. 9. dubia. Nigra, obscura, subsericea, thorace unilineato, tibiis piceis. 



(Long. corp. If lin.) 

 Al. dubia. Gravenhorst. — Al. subsericea. Steph. Catal. 261. A^o. 2604. 



Black, smooth, clothed with an obscure, very short, cinerascent pubescence : 

 head rather narrower than the thorax, slightly inflexed, subcordate, 

 punctulated, with a smooth longitudinal line : thorax rather longer than the 



