( 347 ) 



XVI. New species of Staphylinidae fro)it Singapore. 

 Part IV (Conclusion). Bv Malcolm Cameron, 

 M.B., R.N., F.E.S. 



[Continued from Trans. Ent. Soc. Lond. 1920, p. 212.] 



[Read November 17th, 1!)1«J.] 



TABLE OF THE SUB-FAMILIES.* 



L Head in front of the eyes with a raised 

 or thickened border, under which the 

 antennae are inserted. 2. 



— Head in front of the eyes Avithout a 



raised or thickened border, the 

 antennae either freely inserted on the 

 front, or on or beneath the simple side 

 margin of the head in front of the eyes. 4. 



2. Posterior coxae transverse, not promi- 



nent. 3. 



— Posterior coxae conical, prominent . Paederinae. 



3. Gular sutures usually fused together for 



the greater part, often indistinct, at 



least fused at one point . . . Oxytelinae. 



— Gular sutures completely separated . Megalopsinae. 



4. Antennae 12-jointed .... Adinopsinae. 



— Antennae 10- or 11- jointed. 5. 



5. 1st joint of maxillary palpi elongate. 6. 



— 1st joint of maxillary palpi short. 7. 



6. Tarsal formula 5, 5, 5 . . . . SXENINAE. 



— Tarsal formula 4, 4, 4, or 5, 4, 4 . . EvAESTHETlNAE. 



7. Antennae inserted in a cup-shaped de- 



pression on the underside of the head . Pygosteninae. 



— Antennae not so inserted. 8. 



8. Antennae insei-ted on the front margin of 



the head Staphylininae. 



— Antennae otherwise inserted. 9. 



* The characters given in the tables do not necessarily apply to 

 species not found in Singapore. 



TRANS, ENT, SOC. LOND, 1920. — PARTS III, IV, V. (APR.'21) 



