1900.] Catalog j{e of the Colcoptera of South Africa. 29 



Prothorax finely granulate, very parallel, not broader 

 than the base of the elytra, not sinuate below the shoul- 

 ders ; pygidium with a longitudinal median line . . . . 'proxiimis. 



Prothorax similar to that of S. proximus ; elytra a little 

 sinuate below the shoulders ; pygidium without longi- 

 tudinal line cocjnafus. 



C^ Elytra moderately convex, distinctly sub-gibbose along the 

 suture, not sub-parallel. 



D-. Mentum simple,* 



a'-. Head with a frontal tubercle. 



Prothorax covered with deep sub-scabrose, nearly 

 coalescing fovese, elytra not much attenuate laterally 

 behind, striae finely geminate, anterior tibise not 

 serrate inwardly ; size moderate alieniis. 



Prothorax covered with moderately closely set punc- 

 tures, striae of elytra very fine, simple, anterior tibiiie 

 strongly serrate inwardly ; size large zainhesianiis^ 



«\ Head without a frontal tubercle. 



Prothorax with scattered, shallow punctures, and 

 four more or less distinct impressions in the posterior 

 part ; intervals of elytra raised surl. 



Prothorax with two indistinct impressions ; intervals 



of elytra plane viator. 



Prothorax covered with irregular foveate punctures, 

 slightly granulose laterally ; intervals of elytra raised, 

 and with one series of f ovese on each — 



Posterior tibiae normal funchris. 



Posterior tibiae strongly bi-sinuate intcrstitialis^ 



Prothorax covered with shallow foveas enclosing a 

 minute granule ; intervals of elytra with a double 

 series of very broad but shallow punctures rugosus. 



Prothorax sparingly and not deeply punctured ; 



elytra very finely shagreened .. .. , anihigMiis. 



Prothorax very finely punctato-granulate ; anterior 



tibiffi not serrate nor laminate .. satijrns. 



Prothorax very finely and closely granulose ; anterior 

 tibiae wdth a distinct inner lamina deeply emarginate 

 in the posterior part iirofanus.. 



Prothorax very finely and closely granulose ; anterior 



tibiae simple jpacatiis. 



D'. Mentum produced in a vertical tubercle. ; 

 a. Head tuberculate in the frontal part. 



