530 CLASS VIII. 
in the frons between the eyes, with eleven joints, last three joints 
incrassated. Feet slender. 
A. Tarsi with five joints. Labrum entire. 
Sub-genera: Dianous Leacu, Stenus Latr. 
B. Tarsi with four joints. Labrum denticulate or serrate. 
Huaesthetus GRAVENH. 
Sp. Stenus biguttatus, Staphylinus biguttatus L., DuméRIL Cons. gén. s. Ll. 
Ins. Pl. 3, fig. 4, Panzer Deutschl. Ins. Heft 11, Tab. 17, &e. 
Compare Tu1on, Description des organes de la manducation chez les 
Sténes, Ann. de la Soc. Entom. Iv. 1835, pp. 153—168, Pl. 3 B. 
Oxytelus GRAVENH. Head exsert, with base narrower. Labrum 
entire, horny, mostly enlarged at the apex on both sides by a 
membranous lacinia. Maxillary palps much shorter than head, with 
fourth joint distinct, often subulate. Anterior tibiz mostly spinose. 
Head in many horned. Tarsi with last joint very long. 
A. Tarsi with five joints. 
Megalops Dz. Antenne with ten joints, clavate. 
Osorius Leacu. Antenne with eleven joints, filiform. 
B. Tarsi with three joints. Antennz with eleven joints. 
Sub-genera : Oxytelus GRAV. (in part), bledius Leacu, Platysthetus 
Manneru., Coprophilus Larr. and some others. 
Compare LATREILLE Considérations sur la tribu des Denticrures, Nouv. 
Ann. du Muséum, 1. 1832, pp. 77—92; Ericuson 1. 1. pp. 759—822. 
Sp. Oxytelus tricornis GRAVENH., PANZER Deutschl. Ins. Heft 66, Tab. 17 ;— 
Oxytel. piceus, Staph. piceus L., Panzer Deutschl. Ins. Heft 27, Tab. 12; 
Oxytelus (Coprophilus) rugosus, GUERIN Iconogr. Ins. Pl. x. fig. 2, GERMAR 
Faun. Ins. Europ. Fasc. xv. Tab. 2, &e. 
Piestus GRAVENH. 
Prognatha Later. (Siagonium Kirsy), Leptochirus GERMAR, &e. 
Compare ERicHson 1. |. pp. 823—841. 
Omalium GRAVENH. Head porrect, scarcely constricted at the 
base. Labrum transverse, horny, simple or supplied with a mem- 
branous border at the apex. Antenne with eleven joints, straight, 
filiform. Elytra mostly longer than pectus, sometimes covering 
a large part of abdomen. Tarsi with five joints. Body depressed. 
