1908.] Catalogue of the Coleoptera of South Africa. 559 



culate process, the tibiae arcuate and broadly dilated inwardly at 

 apex ; hind femora greatly developed, compressed with the upper 

 margin laminate and almost truncate outwardly, and having under- 

 neath an elongate triangular, shark-like tooth followed by a moderately 

 deep apical notch, the trochanters are simple ; hind tibiae slender at 

 the base as far as the tooth of the femora and broadly dilated thence 

 into a sub-rectangular laminate process sharply angular in the inner 

 part of its base. 



Length 21 mm. ; width 12 mm. 



Hab. Southern Ehodesia (Lebakwe). 



This species was originally described from German East Africa. 



Cheihonitis damarensis, Felsch., 

 Deutsch. Entom. Zeitschr., 1907, p. 286. 



" In shape and colouration very like G. osiridis, Eeich., but it is 

 broader and less attenuated behind. In both these species the head 

 is similarly shaped and similarly sculptured, but in C. damarensis the 

 clypeal ridge is stronger, almost three times as long, and erected 

 more forwards, the tubercle and the frontal ledge are stronger. The 

 prothorax is of the same shape in both species, but in Osiridis the 

 rasp-like punctuation is somewhat more pronounced, while in damar- 

 ensis the punctures of the base are more strongly stamped; the 

 elytra in damarensis are almost parallel, the surface is beset with 

 extremely fine, widely remote asperous punctures, and they are 

 opaque with a silky sheen, the suture, the callosity of the fourth and 

 fifth intervals, and the boss of the shoulders are shiny. Pygidium 

 of silky smoothness with a few fine punctures, somewhat convex up 

 to the apex, and with a somewhat fine keel in the centre. 



Length 14-16 mm. 



Male : Head somewhat broadly developed and with two broad, 

 blunt teeth. Anterior femora with a very conspicuous fork on the 

 fore margin of the under side which has several notches, and a tooth 

 at the base, the anterior has at the apex a small stumpy tooth ; fore 

 tibiae long, with four teeth, the curved part long, sharply bent 

 inwards, very hairy, the tibiae somewhat broadening inwards from the 

 1-3 tooth and slightly notched on the front part, the under side with 

 a strong tooth in the middle, between this and the base is a short 

 ridge which is raised in the middle and notched ; intermediate legs 

 simple ; in the hind legs the trochanter is conspicuous, the front half 

 being grooved so as to make its end look bluntly bifid ; femora 

 broadening markedly, slightly rounded in front of the basal half, 

 then broadening into a lamina with the whole margin crenulate, on 



