746 MB. C. J. GAHAH ON COLEOPTEEA [DeC. 5, 



It is very difficult to decide the limits of a species in this genus, 

 inasmuch as the colours not only vary to a considerable extent, 

 but the punctuation also is by no means constant. As, however, 

 I have not seen examples of the form described above from any 

 other locality, I have thought it well to give it a name. 



49. CoLASPOsoMA CTANHooiJPEEUM, Fairm. 



Colasjiosoma cyaneocupreum, Fairm. Ann. Soc. Bnt. Fr. (6) vii. 

 (1887) p. 352. 

 Two examples. 



50. CoLASPOSOMA, sp. 



51. Ceealcbs feeeuginbus, Gerst. 



52. Cekalces nataI/Ensis, Baly. 



53. Atechna claeki, Baly. 



54. Oides collaeis, Baly. 



55. DiACANTHA DISTINCTA, Sp. n. 



Cajnte 2^rotlioraceque fulvescentibus ; elytris crehre punctatis, 

 cyaneis (tuherculis ad basin in mare fulvis, exceptis) ; antennis 

 (basi exceptis) pedibusque nigris ; corpore siibtus nigro, segmento 

 idtimo fulvo. Long, 9-10 mm. 



Hab. Zomba, Moimba ?, and Zambesi. 



The basal tubercles of the male elytra resemble those of D. 

 conifera, Fairm., but are not quite so strong and prominent. Very 

 close to the hind margin of the pronotum there are, in the male, 

 two small lunate pits or depressions — one on each side of the 

 middle line nearly opposite the elytral tubercles. At the middle 

 of the hind margin the pronotum does not send back a distinct 

 process to overlap part of the scutellum, as happens in the 

 males of some species of this genus. These characters of the male, 

 together with the close and rather strong punctuation of the 

 elytra in both sexes, will suffice to distinguish the species. 



Oue male example only was in the collection made by Mr. Whyte 

 at Mount Zomba ; a male and two females ticketed " Moimba " 

 and a male from Zambesi are also in the British Museum collection. 



56. DiACANTHA CONIFEEA, Fairm. 



Diacantha conifera, Fairm. Ann. Soc. Ent. Belg. xxvi. (1882) 

 p. Ivi. 



Numerous examples, most of which have arrived in a very bad 

 condition, are in the collection from Zomba. The species is also 

 well represented in the British Museum collection by specimens 

 from "Moimba" and Mamboia (Baly Coll.) and from Lake 

 Ngami. 



It is doubtful whether it is to this species or to the one which I 



