AEGUS BIGIBBOSUS. 187 



interstice the punctures are more distinct; the shoulders 

 are slightly toothed. 



Under surface: the jugulum (with the exception of its 

 base) and the raentum are opaque, the first is provided 

 with a few small, the latter with very large margined 

 punctures; the sides of the head are shining and covered 

 with large punctures ; the middle of the prosternum is 

 coarsely punctate, the sides shining and impunctate; the 

 sides of the metasternum as well as the epipleural fold of 

 the elytra are densely covered with semicircular punctures; 

 the abdomen is rather densely punctured and slightly 

 pubescent, densely so at the apex. The anterior tibiae are 

 crenulate along their outer margin , the intermediate and 

 posterior tibiae armed with three spines. 



Hab. East-Sumatra. — The described male specimen 

 belongs to the collection of Mr. J. D. Pasteur. 



Nigidius kinabaluensis , n. sp. 



Allied to Nigidius Hageni Rits. ^) , from East-Sumatra , 

 and of the same length but broader , with stouter deve- 

 loped process on the mandibles , more strongly punctured 

 pronotum which has no tubercle on the centre of the front 

 margin and the central fovea only indicated by a group 

 of punctures; the punctures on the bottom of the elytral 

 sulci are larger and semicircular or horseshoe-shaped, not 

 circular as in Hageni. 



Length (without mandibles) 15 — 16 mm., breadth at the 

 shoulders 6 — 6'/^ mm. ~ Black, covered with a delicate 

 ochraceous pubescence which is only visible under certain 

 lights and with the aid of a lens of strong power. 



The head, considerably broader in front than in Hageni., 

 is covered with circular punctures which are much larger 

 on the raised posterior parts (in Hageni these punctures 

 are semicircular) than on the anterior portion of the de- 

 pressed frontal part. The mandibles show at the base, on 



1) Notes Leyd. Mus. XI, 1889, p. 1. 



Notes from the Leyden. Museum, Vol. XIX. 



