76 



STAPHYLINID.i5. 



elytra more than 1| times as ',long as 

 thorax ....... 



bf. Mandibles stout ; first joint of antennte 

 and palpi testaceous, 

 aj. Thorax as long as broad. 



aa. Tarsi very long and slender ; elytra 

 rather more than 1| times as long 

 as thoi^ax, rather finely and closely 

 punctured ..... 



bb. Tarsi moderate ; elytra about 1^ 

 times as long as thorax, rather 

 strongly and difiusely punctured 

 bj. Thorax transverse. 



aa. Thorax dull ; sides of thorax not 

 angled but rovmded from a little 

 behind middle, and sinuate just befoi'e 

 posterior angles, which are strong and 

 very prominent ; antennos dark, with 

 base red ...... 



bb. Thorax quite dull ; sides distinctly 

 angled behind the middle, and 

 from thence more strongly narrowed 

 towards the base ; sinuate just before 

 posterior angles, which are prominent ; 

 antennse yellow .... 



cc. Thorax somewhat shiny ; sides not 



strongly angled behind middle, less 



strongly narrowed towards the base, 



scarcely sinuate just before posterior 



angles, which are less prominent. 



aa*. Size larger ; club of antennsft 



narrower ; elytra 1^ times as 



long as thorax ; legs and apex of 



antennse testaceous 



bb*. Size smaller ; club of antennse 



broader ; elytra scarcely 1^ times 



as long as thorax ; legs and apex of 



antennse darker .... 



i^B. SUBTERRANEUS, Br. 



B. riLiPES, Sharp. 



B. TEREBRANS, ScModte. 



B. DENTICOLLIS, FciUV. 



B. ANN.i:, Sharp. 



B. PALLiPES, Grav. 



B. FUSCiPES, Rye. 



PLATYSTETHUS, Mannerheim. 

 P. alutaceus, Thoms., Skand. Col. iii. 123. Very clo.sely allied 

 to F. cornutas, with which it has been considered as synonymous by 

 such authors as Erichson, Kraatz and Fairmaire, but now, apparently, 

 considered as separated by the following characters : " Upper surface 

 dull, finely but more distinctly alutaceous, especially the elytra ; 

 elytra black with very shallow scattered punctures." In I', cornutas 

 the upper surface is shining and very finely alutaceous, the elytra have 



