MR. F. P. PASCOE ON THE CUROULTONID7E. 



1G3 



comprcssa. Femora modico incrassata; tibiae rectao, corbulis 

 posticis cavernosia ; unguiculi connati. Processus intercoxalia 

 antice angulatua. 



Thia genua liaa more the habit of aome of the apeciea of Scio- 

 bius than of Episomus, to which, on account of its cavernoua cor- 

 bels and connate clawa, it ia most allied. 



Cychrotonus viDUATua. C. ovalis, niger, subnitidus, fere glabratus; 

 capite inter oculos sulcato ; rostro fortiter tricarinato ; prothorace 

 crebre punctata, punctis nonnullis squama alba repletis ; elytris pro- 

 funde sat confertim fortiter punctatis, interstitiis subtilissime punctu- 

 latis squamis albis remote adspersis ; corpore infra pedibusque sparse 

 albo-squamosis. Long. 4 lin. (rost. inch). 



Hub. N'Gami. 



The genera allied to Episomus, of which two only were known 

 to Lacordaire, may be thus tabulated : — 



Prothorax produced on each side at the base. 



Zyrcosa, Pasc. 



Prothorax not produced. 



Elytra broader at the base than the prothorax. 



Platyomicus, Thorns. 

 Elytra not broader at the base than the prothorax. 

 Scrobes at the apex of the rostrum nearly contiguous. 



Syntaphocerus, Thorns. 



Scrobes widely apart at the apex. 



Intercoxal process gradually narrower and forming an 

 angle anteriorly. 

 Elytra at the base projecting on the prothorax. 

 Scrobea terminating before the eye. 



Episo7nus, Schon. 

 Scrobea terminating beneath the eye. 



Antinia, n. g. 



Elytra truncate at the baae. 



Scrobes terminating beneath the eye. 



Cychrotonus, n. g. 

 Scrobes terminating before tbe eyes. 



Rostrum as broad as the head. Simallus, Pasc. 

 Eostrum narrower than the head. 



Demenica, n. g. 

 Intercoxal process broad and truncate anteriorly. 



