192 MANDIBUI.ATA. COI.KOFTKR A. 



the segments rufesccnt : legs ferruginous ; antentice the same, with the apex 

 incrassated and dusky. 



Found near London. 



Genus D. — Tachinus, Gravenhorst. 



Antennce filiform, a little thickened exteriorly, the basal joint stout, the second 

 very slender, and with the third clavate, the remainder slightly stouter, the 

 terminal one ovate. Paljji filiform, with the apical joint longer than the 

 preceding, and subacuminate : head small, retracted : thorax ample, trans- 

 verse, with the posterior angles rounded : body wdde, the entire surface more 

 or less finely punctured : abdomen subconic, setose at the apex: legs mode- 

 rate; </;62(E ciliated with spines: ^am slender. 



Tachinus may be known by the greater comparative width of the 

 body, combined with its punctured surface, fihform palpi, with their 

 terminal joint subacuminated, and other less evident characters. 

 The species are generally of greater bulk than those of the three 

 foregoing genera, and they usually reside beneath stones, mosses, 

 dead leaves, dunghiUs, Sec, being most abundant during the spring 

 and summer months. 



A. More or less pubescent. 



Sp. 1. fimetarius. Nigro-piceus, nitidus, thorace laevi laterihus subtestaceo, 

 elytris punctulatis, macula humerali apiceque ferrugineis, abdomine pubescente. 

 (Long. Corp. 1| lin.) 



Ta. fimetarius. Gravenhorst — Steph. Catal. 273. No. 2861. 



Pitchy-Zi/acA:, shining: head rounded, smooth: ^Aoraa; also smooth, very con- 

 vex, with the lateral margins rufo-testaceons : elytra punctulated, with an 

 oblong spot on the shoulders, and the margin of the apex ferruginous ; the 

 outer margin pale testaceous beneath : abdomen pubescent, with the apex 

 beneath testaceous, the terminal segment bifid : legs rufo-testaceous, with 

 the femora sometimes pitchy, with the apex testaceous : antennae pitchy- 

 black at the base, fuscescent at the apex. 



Apparently rare : taken in Devonshire. 



Sp. 2. castaneus. Nigro-piceus, nitidus, thorace Icevi lateribus testaceis, elytris 



punctulatis pallide castaneis, disco interdum infuscato. (LOng. corp. 1§ lin.) 

 Ta. castaneus. Gravenhorst Steph. Catal. 273. No. 2862. 



Pitchy-Z»ZacA:, shining : head rounded, smooth : thorax also smooth, convex, 

 with the lateral margins rather broadly testaceous : elytra punctulated, rufo- 

 testaceous or chestnut, the disc sometimes clouded: abdomen slightly 



