BY THOMAS G. SLOAN K. 437 



HoLOLEius NITIDULUS Dejean. 



Species, ii. p.341; Chaudoir, Ann. Mus. Civ. Geneva, viii., 

 1876, p.290; Chlcenius ceylanicus Niebner, Ann. Mag. Nat. 

 Hi.st., 1857, xix. p. 241; {VfPvecilus ornatusTiyon, Report Admin- 

 istrator Brit. N, Guinea, ii., 1890, Appendix; var. H. punctulatus 

 Chaudoir, Bull. Soc. Imp. Nat. Mosc. 1857, ii. p. 10. 



I believe the description of Pcecihis ornatus Ti-yon, is founded 

 on this widely distributed species, which is found in Asia, as well 

 as in the eastern coastal districts of Australia, northwards from 

 the Clarence River. 



Genus C h l ^e n i u s . 



Bonelli, Obs. Ent. i., Table, 1810; Chaudoir,(Monograph) Ann. 

 Mus. Civ. Genov. viii., pp. 10-287. 



There is no need for another definition of Chlcenius, which is 

 one of the best known genera of the Carahidce; but attention 

 may he drawn to the following features, which have received 

 little, if any, attention, at least so far as the Australian species 

 are concerned. 



Marginal seUeof pronotuin. — Normally, in the genus Chlcenius, 

 the pronotum has two marginal sette; the anterior placed a little 

 before the middle of the length of the pronotum, the posterior 

 near the basal angle(e.g., Ch. australis, Ch. ophonoides, etc.); but 

 in Ch. subcostahis Macl., and Ch. darlingensis Cast., the anterior 

 seta is lost, and the posterior is distant from the basal angle — 

 somewhat similarly placed (though not quite so far forward) as 

 in the genus Phero2}sophus. 



Hair-fringe along basal socket of prothorax above peduncle. — 

 This is present in all our species except Ch. subcostatus,* and 

 Ch. darlingensis. 



Pu/ncturation of posterior legs. — In all the Australian species 

 the posterior trochanters have, on their outer side, minute non- 



* In Ch. subcosiatus there appears to be a scattered fringe of hairs, but a 

 close examination will show that these arise from pores on the upper surface, 

 near the extreme margin of the pronotum, not from the edge of the socket- 

 hole. 



