354 



Dr. Malcolm Cameron 



2. Antennae geniculate. 



— Antennae not" geniculate 



3. 3rd joint of the maxillary palpi longer 



than the 2nd. 



— 3rd joint of the maxillary palpi not longer 



than the 2nd. 



4. Gular sutures obsolete; intermediate 



coxae narrowly separated . 



— Gular sutures distinct; intermediate 



coxae widely separated 



5. Labrum broadly emarginate . 



— Labrum with several short blunt teeth 



Diochus Er. 



Oligolinus Cas. 



Leptacinus Er. 

 Eulissus Mannh. 

 Thyreocephalus Guer. 



Staphylinini. 

 Tarsal formula 4, 4, 5; small depressed 



species Holisomimus Cam. 



Tarsal formula 5, 5, 5. 2. 



Anterior and posterior femora furnished 



below with two rows of fine spines . Belonuehus Nordm. 

 Anterior and posterior femora not fur- 

 nished below with two rows of spines, at 

 most (in some species of Philonthus) 

 with a few spines towards the apex. 3. 



2nd joint of the antennae thickened, much 



thicker than the 3rd . . . Actobius Fauv. 



2nd joint of the antennae not thickened, 



not or scarcely thicker than the 3rd. 4. 



Lateral setae of the thorax placed on the 



side margin itself or very near thereto. 5. 



Lateral setae of the thorax distant from 



the side margin. 6. 



. Anterior tarsi dilated in both sexes; 

 mesosternum without a transverse 

 impressed line .... Orthidus Rey. 



Anterior tarsi at most dilated in the cJ ; 

 mesosternum with a transverse im- 

 pressed line ..... Philonthus Curt. 

 I. Last joint of the maxillary palpi nearly 

 twice as long as the preceding; me- 

 sosternum broadly rounded behind . Hesperus Fauv. 

 - Last joint of the maxillary palpi scarcely 

 longer than the preceding; mesoster- 

 num pointed ..... Cafius Steph. 



