66 Transactions South African rhilosojihical Socicti/. [vol. xii. 



Key to the Species. 



A=. Basal part of prothorax with two impressions on the midclle. 

 B-. Clypeus quadri-dentate. 



Metallic green, opaque ; upper part very roughly and closely 

 shagreened; metathorax produced in a triangular tubercle 

 deeply impressed at base splcndcns. 



Metallic green, shining; prothorax closely shagreened; elytra 

 slightly plicate transversely near the suture, intervals finely 

 shagreened and set with small granules ; metathorax pro- 

 duced in a triangular tubercle deeply impressed at base .. u-aldbcrgi. 



Bronze, opaque ; upper part very finely shagreened ; meta- 

 thorax slightly aculeate in front, the aculeate process not 

 impressed at base ; anterior tibis not deeply emarginate in- 

 wardly and not dentate in the male consocim: 



A\ Basal part of prothorax not impressed in the middle. 



Upper side blue or greenish blue, shining ; prothorax and elytra 

 finely aciculate ; metathorax produced in a sharp, triangular 

 point not impressed transversely at base visuliosus. 



Upper side coppery bronze, sub-opaque ; prothorax very finely 

 aciculate ; elytra very finely shagreened ; metathorax produced 

 in a sharp, triangular point not impressed transversely at base caffcr. 



Upper side dull bronze ; prothorax covered with not closely 



set granules ; elytra very finely shagreened, intervals set with - 



small granules ; metathorax produced in a triangular tubercle 



impressed at base fastiditus. 



Upper side bronze, sub-opaque ; prothorax covered with very 

 closely set granules ; elytra very closely shagreened; metathorax 

 produced in a somewhat blunt triangular process not impressed 



, , unicolor. 



at base 



Bronze or bronze-green, sub-opaque ; prothorax covered with 



not very closely set granules wanting in or near the base ; 



intervals of elytra set with moderately close minute tubercles ; 



metathorax produced in a somewhat blunt triangular process : 



Striffi of elytra very shallow thalassinns 



Strise of elytra deep cluoris. 



Upper side coppery bronze, opaque ; prothorax striolate and 

 covered with numerous impressions, elytra very roughly 

 shagreened ; metasternum aculeate at tip ccdatus. 



B'. Clypeus bi-dentate. 



a^ Head without a median smooth longitudinal carina. 



C-. Upper part of the lateral sinuation of elytra sharp, 

 aculeate. 



Outer margin of the prothorax sharply anguUitc past the 

 middle 



c\ Upper part of the lateral sinuation of elytra rounded . . conncxus. 



