Ili58 REV. H. S. GORHAM ON NEW COLEOPTERA. [Mar. 16, 



those preceding them. Thorax about as long as wide if the projecting 

 front angles are taken in, widest a little below the front ; basal 

 angles right angles, sides a little sinuate not angular, front margin 

 rounded and a little prominent, basal margin nearly straight ; on 

 the disk, which is very even and smooth, are two large inky-black 

 oblong marks a Uttle obhquely placed, a small dot on each side 

 where the thorax is widest, and one in the middle, near the base. 

 Elytra pitchy, inclining to brown, the apex is yellow, and this 

 colour returns some way up the suture and the margins ; they are 

 convex, evenly ovate, and rounded at the apex, narrower at the base, 

 and with a very obsolete sutural stria and scarcely at all widened 

 margin; the epipleural fold is yellow. There is no visible 

 punctuation on their surface ; but it is not glabrous as in Encymon 

 angulatus, but very finely alutaceous, though the sculpture is 

 hardly visible at all. 



Only two specimens of this insect have come under my notice ; 

 both are males. One is in Mr. Lewis's collection, and the other in 

 Dr. Sharp's, by whom they were obtained from Mr. Cowan. 



2. Cymones cowANi. (Plate XVII. fig. 1.) 



Nigro-subviolaceus ; capite, prothorace, antennis (clava excepta) 

 pedibusque rufis, abdomine rufo-piceo. Long. 6g millim. 6 ? • 



Mas. Tibiis anticisdente acuto distantemediano, apicibus intermediis 

 etiam leviter incurvatis. 



Hab. Madagascar (Cowan). 



More parallel than C. sharpi, and with the thorax not so convex 

 above, and more quadrate, smaller, and differently coloured. The 

 head and thorax are rusty red, very little shining, and without 

 punctuation ; palpi red ; antennae of moderate length, and with the 

 club, which is black, abrupt, and with its two first joints transversely 

 heart-shaped. The thorax is transversely quadrate, with the front 

 angles a little prominent, the sides a little sinuate, nearly straight, base 

 obsoletely margined, and the sulci distinct but not deep. Elytra dark 

 blackish purple, their apex ferruginous, slightly shining but not bright. 

 Legs in the male example pitchy, in the female clear rusty red. 



Although this species and "the following one differ in several 

 particulars of their structure from C. sharpi, I have not been able 

 to find any characters of sufficient importance to warrant their 

 separation generically. In the abruptly formed club of the antennae 

 and in the form of the thorax these two species are nearer to 

 Encymon, but the strongly toothed tibiae in the male, and the form 

 of the body, less swollen, and with its sides more parallel than in any 

 eastern species of that genus, indicate a radical divergence from that 

 type. 



Only two specimens have come under my notice ; they were 

 obligingly placed in my hands by Dr. Sharp for description. 



3. Cymones helopioides. (Plate XVII. fig. 3, d •) 

 Niger ; parum nitidus; prothorace transversim quadrato, cum elytris 

 subopacis. Long. 6g-7 millim. S 2 • 



