81 



Genera- 



Antenna' articulo secundo primo te- 

 nuiore : articulo quinto ar- 

 ticulis quarto et sexto cras- 

 siore - . . _ 4. TychuS. 



B. Palpi maxillares articulo ultimo conico. 

 AntenncE articulis 1 et 2 crassioribus 



cylindraceis - - 5. Bryaxis. 



C. Falpi maxillares articulo ultimo clavato. 

 Antennce articulis 1 et 2 elonjratis sub- 



cylindraceis - - - 6. Pselaphus. 



II. Antennce 6-articulatce. Palpi maxillares bremssimi, 



Stirps 3. Coj^pus subcylindraceum. 

 Antennce articulis 1 et 2 minoribus 

 subglobosis. Palpi maxil- 

 lares filiformes - - 7. Claviger. 



Latreille supposed that these animals had but two joints 

 in their tarsi, and therefore placed them in a peculiar sec- 

 tion of the Coleoptera ; observing, however, that they are 

 allied to Aleochara, a genus of the family Stapliyimidea, 

 to which family they are even referred by Kirby. 



I consider them as constituting a distinct family, whose 

 situation is intermediate between the Staphylinidea and 

 Scydmcenidea, to both of M'liich they are intimately allied, 

 but may be distinguished from either by the structure of 

 their claws, and from the latter also by their abbreviated 

 elytra. 



The genus Cleuniiun of Latreille I have never seen ; 



M 



