New Species of Staphylinidae from. Singapore. 365 



Species in great part reddish- testaceous. 



Species entirely or in great part dark. 



Size larger 1-75 mm., shining, the fore- 

 parts punctured, not shagreened ; the 

 diameter of the eyes equal to the length 

 of the temples, and moderately 

 prominent ..... 



Size smaller 1-4 mm., with greasy lustre 

 only, the fore-parts shagreened, not 

 punctured; the eyes small and flat, 

 their diameter much less than the 

 length of the temples 



Species smaller, black, nearly opaque, 

 head and thorax shagreened, not 

 punctured ... 



Species larger, castaneous, shining, the 

 fore-parts distinctly punctured, not 

 shagreened ..... 



(8) lit I oralis Cam. 



(9) ritfotestaceus Cam, 



(6) halophiloideus Cam. 



(7) lucens Cam. 



Aploderus Steph. 

 Rufo-testaceous, shining, finely and 

 sparingly punctured 



(10) testacevs Cam. 



Oxytelus Grav. 



1st joint of the antennae elongate, 

 constricted before the apex ; eyes large, 

 occupying nearly the whole side of the 

 head (Sub-gen. Caccoporus Thoms.). 



1st joint of the antennae only moderately 

 long, gradually thickened and not 

 constricted before the apex. 



Head black, nearly opaque, not or very 

 obsoletely punctured, densely coria- 

 ceous; size larger (4-5 to 5 mm.). 



Head reddish-testaceous, shining, dis- 

 tinctly punctured posteriorly in front, 

 coriaceous; size smaller (2-75 mm.). 

 cj : 7th ventral segment broadly and 

 feebly emarginate, on each side with 

 a small spine; 6th ventral segment 

 with a small tubercle at posterior 

 margin on each side of the middle 

 line ...... 



ferrugineus Kr. 



