2. Antennae inserted opposite the inner margin of the eyes. — Tribe 

 VI. Aleocharides. 

 II. The last joint of the palpi concealed. — Tribe II. Stenides. 

 6. Tarsi trimerous or tetramerous. — Tribe III. Oxytelides. 



Tribe I. Staphylinides ( Fissilabra ) . 



The antennae inserted either in front or between the eyes ; labrum emarginate ; 

 the palpi short, filiform, all the joints distinct ; the head separated from the thorax 

 by a distinct neck ; the abdomen, when alive, stretched lengthwise ; the legs ge- 

 nerally spinose ; the tarsi pentamerous. 

 i. Labial palpi securiform. 



a. The maxillary palpi filiform ; the antennae short, increasing towards the apex, 



with the six last joints dilated and compressed ; the mandibles porrect, 

 very forcipate, and about as long as the head. 

 Genus I. — Oxyporus, Fab. rufus, maxillosus, Schoenherrii, Manner- 

 heimii. 4. 



b. The maxillaiy palpi securiform ; the antennae longer, filiform, much shorter 



than the head, not porrect. 

 Genus II. — Astrap^eus, Lat. Ulmi. 1. 

 II. All the palpi filiform. 



A. Antennae inserted between the eyes, behind the mandibles and labrum. 

 1. The anterior tarsi dilated, either in both sexes or only in the males. 

 *. The thorax much wider than the elytra, orbicular, anteriorly sub-trun- 

 cated, laterally much widened ; the fourth to the tenth joints of the 

 antennae internally produced, serrate, the terminal one narrower and 

 sub-acuminate. 

 Genus III. — Velleius, Leach. Dilatatus. 1. 

 0. Thorax semi-orbiculato-quadrate. 



a. Antennae short, the five terminal joints broader, transverse, the last 



obliquely truncated above and sub-foreolate ; the head and thorax 

 smooth. 

 Genus IV. — Creophilus, Kirby. Maxillosus, variegatus. 2. 



b. The antennae, with the six last joints, shorter, sub-transverse, the 



terminal one obliquely truncated and sub-emarginate. 

 Genus V. — Emus, Leach, hirtus, nebulosus, speciosus, chrysocephalus, 

 pubescens, murinus, inauratus. 7. 



y. Thorax longer than broad, rounded behind ; the fourth to the tenth 

 joints of the antennae equal and lenticular. 

 a. The collar much narrower than the head. 



* The last joint of the antenna laterally obliquely truncated, sub- 

 emarginate. 



