60 Kev. H. S. (Torhain's Nofps on the 



b. C 'laws bifid, — Avitli tooth . . . Tillus. 



do. without tooth . . Perilypus. 



b b. Claws simply toothed. 



c. Antennse gradually enlarged . . Philocalus. 



d. Antenna; of ^ with apical joint very long Macrotelus. 



e. Antennte flabellate or serrate . . I'ladiscus. 



f. Antennae almost filiform . . . Cymatodera. 

 b b b. Claws cut out ..... Pallenis. 



AA. Antennye with 3- or 4-jointed club. 



a. Claws bifid, without tooth . . Gastrocentrum. 

 a a. Claws toothed. 



b. Antennae with 3 jointed club abrupt . Callimerus. 



c. do. do. laxly articulate Stenocylidrus. 

 a a a. Claws simple Dupontiella. 



Cylidrus, Lat. 1825. 



Ti/pe C. cyaiieiis, Fab. 



Cylidrus alcyoneus, Pascoe, Cylidrus pallipes, Chev., Eev. 

 et. Mag. de Zool. 1874, p. 29., Cylidnis Vescoi, Fairmaire, 

 Cylidrus cynneus, Fab. 



These all appear to pertain to one species. It is widely spread 

 from Madagascar to the Islands of the Pacific, the only conti- 

 nental locality given being India ; C. ^jallipes Chev. was originally 

 referred to Taiti and Java (White Cat. B. M. p. 1 . ) The smaller 

 and narrower specimens are ])roT)ably males, and it varies in 

 Cdlour from jiurplisb ti) l)]ue-greeu. 



(Ujlidriis Wdlhirei, Thomson. 



Readily known by its black legs, and wider and brighter 

 elytra. P)orneo. I have a specimen from Penang, differing a 

 little in the punctuation of the thorax, but T doubt if it is 

 distinct. 



