346 Mr. M. Cameron on new Staphylinidge 



densely and finely punctured. Elytra longer than the thorax, 

 longer than broad, pitchy, the sides broadly, the apex 

 narrowly, reddish, densely finely, but rather roughly, punc- 

 tured. Abdomen black, the posterior margins of the first 

 four visible segments narrowly, the penultimate broadly, and 

 the last entirely reddish testaceous, finely and densely punc- 

 tured and pubescent throughout. 



$ . Fifth ventral plate produced in the middle into a 

 triangular lamella, with emarginate apex and closely beset 

 with black setse, which bears near the base on either side a 

 large, broad, smooth tooth ; sixth ventral plate with broad 

 deep emargination. 



St. Vincent (H. H. Smith). Type in the British Museum. 



36. Aderocharis obscurior, sp. n. 



(Fauvel, in litt ) 



Black, dull ; elytra reddish brown ; posterior margins of 

 the dorsal abdominal segments and apex obscurely lighter. 



Length 6 mm. 



Very closely allied to the preceding, so that a detailed 

 description is unnecessary, and from which it differs by the 

 more uniform reddish-brown colour of the elytra and the 

 more obscure coloration of the abdomen. 



No sexual differences observed ; all the specimens appear 

 to be females. 



Grenada (H. H. Smith). Type in the British Museum. 



37. Scopaus angusticollis , sp. n. 



(Fauvel, in litt.) 



Ueddish brown, not very shining; abdomen lighter; an- 

 tennae, legs, posterior margins of the abdominal segments 

 and apex testaceous. 



Length 3*8 mm. 



Size and colour of S. liguUfer, Slip., but distinct by its 

 longer head and thorax, longer and much more finely punc- 

 tured elytra. 



Head longer than broad, broader than the elytra ; temples 

 long, parallel ; vertex emarginate posteriorly ; posterior 

 angles rounded ; closely and finely punctured throughout. 

 Antennse with first joint rather long and stout ; second to 

 sixth longer than broad, gradually decreasing in length ; 

 seventh to tenth globose ; eleventh oval, pointed. Thorax 

 narrower than the head, distinctly longer than broad, widest 

 at the anterior angles, which arc rounded but traceable, very 



