TACHYPORID-E. MEGACKOXUS. li')^ 



Shining castaneous-red : head rounded^ piceous : mouth very smooth and glossy, 

 with two obsolete punctures in front : elytra less glossy, with three faint 

 punctured strice : abdomen rather dusky at the base, the margins of the seg- 

 ments and the apex castaneous : legs pale testaceous : antenna; ivith the Jive 

 basal joints and the terminal one pale, the remainder piceous, the apical one 

 rather small. 



Found in Norfolk, and within the metropolitan district. 



Sp. 5. cernuus. Nigro-piceus, nitidus, antennarum basi pedihus, ore, elytris, 



segmentorumque marginibus anoque rufescentibus. (Long. corp. 3 lin.) 

 Ta. cernuus. Gravenhorst. — Me. cernuus. Steph. Catal. 268. No. 2117^. 



Shining, pitchy-black, smooth : head rounded ; mouth rufous : thorax black or 

 castaneous, with four dorsal impressions, two anteriorly and two near the 

 middle : elytra castaneous, dusky towards the scutellum, each with three 

 obsolete punctured strice : abdomen above thrice as long as the elytra, black, 

 with the m,argins of the segments and the apex rufescent : legs rufo-ferrugi- 

 nous : antenncE fuscous, with the three basal joints rufous, the terminal one 

 slightly longer than the others. 



Also rare : found near London, and in the New Forest. 



Sp. 6. nitidus. Piceo-castaneus, nitidus, capite abdominisque basi piceis, 

 antennis Jiliformibus, tarsis posticis longissimis, elytris crebre punctatis. 

 (Long. corp. S^ lin.) 



Me. nitidus. Steph. Catal. 268. No. 2776. 



Broad, pitchy-chestnut, shining: head indexed, pitchy ; mouth and palpi testa- 

 ceous : thorax wide, glossy castaneous, impunctate: elytra less glossy, 

 thickly and rather deeply punctured throughout, the punctures irregularly 

 scattered: abdomen pitchy at the base, with the two apical segments rufo- 

 castaneous : legs pale testaceous ; the posterior tarsi very long and slender : 

 antennce eXongaXe, filiform, piceous, with the base and apex testaceous. 



This and the following species diifer greatly from the others of the genus, 

 especially by having the antennae very slender, with the terminal joint short 

 and acute : the elytra deeply punctured, instead of striated, and the body 

 and hinder tarsi considerably elongated, the latter very slender. 



Taken near London, and at Gravesend. 



Sp. 7. formosus. Plate xxvi. f. 5. — Gracilis, rufus, capite abdomineque, 

 excepto ano, nigris, elytris vage punctatis. (Long. corp. 3§ lin.) 



Ta. formosus. Gravenhorst, Micropt. 32. — Me. atriceps. Steph. Catal. 268. 

 No. 2777. 



Slender, bright rufous, shining: head black: thorax rather fuscescent, with 

 four dorsal punctures, two in front towards the margin, and the others near 

 the middle : elytra rufo-fuscous, irregularly, but distinctly, punctured 

 throughout, and very sparingly pubescent: abdomen pilose, black, with the 



