QUEDIUS. 253 



of abdomen moderately close and not very fine, latter with 

 fine gray pubescence. L. 2-| — 2h 1. Not unconunon. 



Q. chri/surus, Kies. 



STAPHYLINinES, 



A, Fourth joint of maxillary palpi shorter than tliird. 



a. Thorax smooth. 



Antennae rather far apart, with first six joints horny, 

 without pubescence, next four joints strongly transverse and 

 gradually broadened. Ligiila emarginate at apex. Thorax 

 broader tlian long, narrowed toward base, upper and lower 

 side marginal lines scarcely confiuent ; middle coxae rather 

 far apart, first joint of hinder tarsi elongate. 



Creophilus, Kirby. 



I), Thorax hairy. 



JT. Antennae somewhat thickened toward apex, penul- 

 timate joints strongly transverse. 



First five joints of antennae horny, without pubescence. 

 Ligula emarginate at apex. Thorax broader than long, 

 narrowed toward base, upper and lower side marginal lines 

 confluent ; middle coxae rather far apart ; first joint of 

 hinder tarsi not very elongate. Emus, Leach. 



II. Antennae threadlike, penultimate joints slightly 

 sawlike. 

 Antennae with first four joints horny. Ligula emarginate 

 at apex. Thorax narrowed toward base, with acute anterior 

 angles, upper and lower side marginal lines confluent ; 

 middle coxae moderately far apart; first joint of hinder 

 tarsi elongate. Leistotrophus, Perty. 



jB. Fourth joint of maxillary palpi as long as, or longer 



than third. 



First four joints of antennae horny, bearing long hairs, 

 rest covered with fine pubescence ; upper and lower side 

 marginal lines of thorax confluent. 



a, Ligula emarginate in front. 



I. Antennae and abdomen short, latter slightly nar- 

 rowed at apex. 



Thorax parallel-sided ; middle coxae placed near or close 



