450 Dr. Leach on the Pselaphidce, 



TYCHUS NIGER, 



T. Corpore toto nigro ; pedibus nigrescentibus; thorace elytris- 



que punctulatis. 

 Pselaphus niger. Rekhenbach^ Monographia Pselaphorum, 35. 

 tab. I. Jig. 5 c? eta ?. 

 Tychus niger. Leach^ ZooL Miscell. iii. 184. 

 /3. niger ; Elytris disco castaneis. 

 Habitat prope Londinum, Bristol et in Provincia Norfolcii baud 



valde infrequens. 

 T. with the body entirely black : the feet blackish , the thorax 

 and the elytra punctulated. 

 i3. black, with the disc of the elytra chesnut. 

 Inhabits the vicinity of London, and Bristol, and is found in 

 Norfolk not unfrequently. 



GENUS VL— BRYAXIS. 



PSELAPHL Fam. III. Reichenbach. 



Corpus breve, convexum. Thorax foveolis sulco conjunctis 

 sculptus. 

 Antennce articulis primo et secundo aliis crassioribus, subcylin- 

 draceis ; articulis tertio, quarto, sexto, et septimo elongatis, 

 cylindraceis ; quinto longiore ; octavo subgloboso minore ; 

 nono decimo et undecimo elongatis clavem gradatim forman- 

 tibus ; hoc apice acuminato. 

 Palpi maxillares articulo primo clavato basi angustissimo ; se- 

 cundo subgloboso ; tertio conico. 



Body short, convex. Thorax sculptured with foveolae (little pit- 

 like excavations) joined by a groove. 

 Antennce with their first and second joints thicker than the 

 others, subcylindric ; t"he third, fourth, fifth, sixth and the 

 seventh joints elongate, cylindric ; the fifth longer; the 

 eighth smaller, subglobose ; the ninth, tenth, and the eleventh 

 elongate gradually forming a club ; the last one with its 

 apex acuminated. 

 Maxillary Palpi with the first joint clavate, with its base very 

 narrow ; the second subglobose ; the third conical. 



