New Species of Staphylinidae from Singapore. 375 



Oligolinus Cas. 

 1. Black, shining; antennae, mouth-parts 

 and legs reddish-testaceous, the middle 

 and posterior tibiae more or less in- 

 fuscate ...... (33) parvus Cam, 



Leptacinus Er. 

 1. Black, shining; thorax reddish or pitchy, 

 with a dorsal series of 5 or 6 large 

 punctures; elytra pale testaceous, the * 



base and apex somewhat infuscate. 

 Length 4 mm. .... tricolor Kr. 



Somoleptus Sharp. 

 1. Shining, head and abdomen black, 

 thorax and elytra pitchy- brown, the 

 latter finely and sparingly punctured. 

 Length 3 mm. .... (34) linearis Cam. 



Eulissus Manner h. 

 1. Black, shining; elytra and abdomen 

 pitchy, the disc of the former obscure, 

 the side margins of the latter clear 

 testaceous ..... (35) lateralis Cam. 



Thyreocephalus Guer. 

 1. Shining bronze-green or coppery- bronze, 

 the elytra and 3rd and 4th (visible) 

 segments of the abdomen bright 

 reddish; the last six joints of the 

 antennae and legs testaceous. Length 

 10-5-15 mm. .... annularis Fauv. 



Diochus Er. 



1. Pitchy- black, shining; thorax entirely, 

 apex of the elytra broadly, reddish- 

 testaceous; abdomen pitchy-red, the 

 apex testaceous. Anteimae, mouth- 

 parts and legs testaceous. Length 

 3 mm. ...... (36) jndchellus Cam, 



Holisomimus Cam. 

 1. Abdomen unicolorous pitchy-brown. 



Length 2-3 mm. .... (37) parvus Cam. 

 — Abdomen in part reddish-testaceous. 



Length 1-75 mm, .... (38) cingulatus Cam, 



