1900.] Catalofjne of the Colcoptera of South Africa. 251 



median pai-t of the elytra ; prothorax slightly depressed in the 

 middle in the anterior part and having at the top of the depression 

 a small, bluntly conical tubercle ; apical spur of intermediate tibiae 

 curving slightly outwards. In the small development the cephalic 

 horns (fig. 10a) are short and form a sort of crescent the median 

 part of which, however, is produced into a high tri-dentate carina. 



Female : Clypeus more sharply aculeate in front, slightly sinuate 

 laterally and with the edge a little more recurved, frontal carina 

 somewhat short and a little arcuate, vertex with a short, conical 

 tubercle at a small distance from the base ; prothorax with a short 

 semicircular impression, not broader than the base of the head and 

 surmounted by two blunt tubercles set close to one another ; apical 

 spur of anterior tibiae thickened and conspicuously bent inward at 

 right angles at tip. 



Length 18-22 mm. ; width 10^-13 mm. 



Hab. Southern Ehodesia (Manica), Mozambique (Sena, teste 

 Klug), Ovampoland (Okovango Eiver). The species was originally 

 described from specimens from Senegambia. 



Onthophagus furcifer, Bohem., 



Plate XXXV., figs. 9, 9a ; Plate XXXVIII., fig. 24. 



Ofv. Vet. Akad. Forh., 1860, p. 111. 



0. jj/a/o. Bat., Entom. Month. Magaz., vol. xxxi., 1888, p. 203. 



Black, opaque ; head and prothorax covered with equi-distant, 

 closely set granules, frontal carina slightly arcuate ; prothorax ampli- 

 ated laterally from a little past the middle, straight or nearly straight 

 from there to the basal angle which is sharply dentate, plane on the 

 disk, marginate laterall)^ and also slightly along the base the median 

 part of which is not aculeate, and having a faintly impressed 

 longitudinal line in the middle ; elytra plane, finely and not deeply 

 geminato-striate and very slightly punctulate at intervals, interstices 

 covered with very closely set, fine punctures very briefly setigerous 

 and somewhat scabrose on the sides in the male, but entirely 

 scabrose in the female, these intervals are plane, the second one is 

 at middle nearly twice as wide as the third which is not narrower 

 than the fourth ; pygidium sub-carinate longitudinally in the centre, 

 and covered with small, not closely set granules ; metasternum 

 scabrose except in the median part which has a longitudinal smooth 

 band with a median, slightly impressed longitudinal line. 



Male : Clypeus almost straight in front, but with a ver\- slight 

 sinuation on each side, frontal carina not much raised, vertex of the 



