42 BEETLES. 



of the maxillary palpi shorter than the third. Hind 

 tibiffi with spines. Front tarsi expanded. The only British 

 species is : 



* C. maxillosnis, Linn. (Plate V., Fig. 1). Head and thorax 

 with hair only on the sides. It is found generally on carrion. 



Genus Emus, Leach. 



Antennae slightly thickened only at the end, the sixth to 

 the tenth joint being broad. 



* ;S'. hirttis, Linn. (Plate V., Fig. 2). The pubescence on the 

 head, thorax, and the three last abdominal segments is golden- 

 yellow. The wing-cases have a broad, grey, felt-like band 

 upon them. It frequents horse and cow droppings, but is 

 not common. 



Genus Leistotrophus, Perty. 



Only the end of the antennae is tapering. The last joint of 

 the maxillary palpi is smaller than the last but one. They 

 live in dung during the summer, and in moss in winter. 



* L. nehulosus, Fabr. (Plate Y., Fig. 3). Black, with a thick 

 grey pubescence. Tlie base of the antennse and the legs are 

 orange-coloured, the latter black at the base. 



* Z. murinus, Linn., is smaller than the last, and has black 

 lugs and palpi. Both species have a predilection for human 

 faices. 



Genus Staphylinus, Linn. 



Antennre filiform, the terminal joint emarginate at the 

 tip. Palpi filiform, the last joint being as long as that 

 preceding. They live under decomposing vegetable refuse,. 

 in dung and carrion, and if disturbed raise the abdomen and 

 emit a penetrating odour. 



