80 M, L. Peringuey's Descriptive Catalogue [Nov. 30, 



median patch, and a band of the same colour near the apex ; the tibi^ 

 are slightly infuscated. 



Length," 15 ; width, 5™-"^' 



Smaller than tulerculata and carinulata, and with the marginal 



markings very well defined ; the sub-humeral band is very distinct in 



both sexes. 



Transvaal (Lydenburg). 



D. TUBERCULATA. 



Yar. ACUMINATA. Chaud. 

 Kev. Zool. 1864. p. 40. 



Brassy or brassy-black, underside dark-blue ; head strigose, labrum 

 yellowish-white narrowly edged with black ; prothorax irregularly pli- 

 cated, quadrate, with the protuberances of the disk much raised ; 

 elytra oblong, hardly depressed in the male, acuminated behind, the 

 male with two long sutural spines ; they are covered with closely set 

 punctures, and have on each side a short basal ridge, a dorsal one 

 consisting of four oblique disconnected ridges, and an external one 

 reaching from the shoulder to the apex ; in the outer margin there is 

 a median yellowish-white patch, and an elongated band of the same 

 colour near the apex. 



Closely allied to the preceding variety ; lacks, however, the sub- 

 humeral whitish band, and the external ridge reaches the apex. . 



Length, 15 ; width, S""*"' 



D. ALBiviTTis. Ohaud. 



Catal. Collect. 1865. p. 50. 



Brassy, shining, dark-blue underneath ; head strigose, labrum of the 

 male whitish and narrowly edged with white, that of the female more 

 broadly edged with black, or having sometimes a lateral yellowish 

 band on each side and one in the middle ; prothorax irregularly 

 plicated, quadrate, with the discoidal protuberances much raised, and 



