482 Transactions South African Pliilosoi^thical Society, [vol. xii. 



posterior part ; scutellum with a few hardly discernible punctures ; 

 elytra deeply punctato-striate, eighth stria obliterated in the anterior 

 part for one-third of the length, intervals smooth, impunctate ; 

 under side and legs densely pubescent ; anterior tibiae five- 

 dentate. 



Female unknown. 



Length 14 mm. ; width 9 mm. 



Hab. Damaraland. 



BOLBOCERAS FORTUITUM, n. SpeC, 



Plate XXXVI., fig. 23 ; Plate XXXIX., fig. 8. 



Testaceous red, shining ; head closely and roughly punctured, 

 clypeus sinuate laterally, truncate at apex, not dentate laterally at 

 base, on the posterior part of the head there is a short, transverse, 

 tri-dentate ridge, similar in both sexes ; prothorax not strongly 

 sinuate at apex, and with the median part not recurved, there is 

 a moderately deep, somewhat rounded impression in the anterior 

 part of the disk extending from near the apex to about the median 

 part, and also a distinct transverse impression above the base ; at 

 the top of the anterior impression there is a faint trace of two ill- 

 defined, rounded tubercles, the impression is deeply and closely 

 punctured, the sides are very distinctly scrobiculate, but the upper 

 part of the impression and a broad transverse band above the basal 

 sulcus are smooth, the median longitudinal band in the posterior 

 part is not very distinct, and does not reach the base ; elytra 

 deeply punctato-striate, intervals smooth, impunctate, eighth stria 

 obliterated in the anterior part for one-third of the length ; 

 anterior tibiae five-dentate. 



Both sexes are alike. 



Length 12-12|- mm. ; width 7 mm. -- 



Hah. Transvaal (Lydenburg). 



BoLBOCERAs SPURIUM, n. spec, 

 Plate XXXVI. , fig. 18; Plate XXXIX., fig. 5. 



Head and anterior part of prothorax dark, ferruginous, elytra brick- 

 red, shining, or entirely light brick-red ; head closely and roughly 

 punctured, labrum transverse, not emarginate, clypeus not sinuate 

 laterally, truncate at tip, in the anterior part and nearly equi-distant. 



