306 Annals of the South African Museum. 



MlCRANTEREUS SPISSUS, 



Plate VII., fig. 3. 



$ . Niger, nitidus, glaber, antennis brunneis ; caput punctulaturn, 

 antice vage longifrudinaliter in medio sulcatum, crebre sed laxe punc- 

 tulatum ; prothorax normihil rotundato ampliatus, longitudine tertio 

 latior, antice posticeque sub-sinuatus, angulis anticis acutis, sub- 

 prominulis, posticis nullis, totus marginatus, supra modice convexus, 

 crebre sed baud profunde punctulatus ; scutellum breve ; elytra 

 oblongo ovalia, antice prothorace vix latiora, a basi ultra medium 

 modice ampliata, medio prothorace tertio latiora, versus apicem 

 attenuata, supra modice convexa, postice declivia, margine lateral! 

 acuta, apice distincte deplanata, in dorso sub-coriacea, lateribus verti- 

 calibus, late crebreque granulate tuberculosis, spatio supra marginal! 

 sat angusto, levi ; corpus subtus pedesque ut in M. spisso. Long. 

 20 mm. ; lat. 12 mm. 



Allied to the preceding species, but easily distinguished by the 

 absence of ridges in the elytra, the discoidal part of which is some- 

 what uneven yet not quite rugose, and there is a broad lateral band 

 of granulose tubercles reaching from near the base to the apex, of 

 nearly equal width throughout ; in the declivity there is also a 

 faint trace of a granulose line and also a few scattered granules. 



Transvaal (Leydenburg). In the Pretoria Museum. 



MlCRANTEREUS AMBIGUUS. 



Niger, sub-opacus; caput prothoraxque tenuiter punctulati, punctis 

 squamis minutissimis griseis repletis ; prothorax longitudine fere 

 duplo latior, ad medium rotundato ampliatus, basi apiceque emar- 

 ginatus, angulis anticis sub-acutis, posticis rotundatis, totus mar- 

 ginatus, supra sub-convexus, in medio tenuissime canaliculatus ; 

 elytra antice prothorace nonnihil angustiora, pone humeros per- 

 parum ampliata, in medio prothorace quarto latiora, versus apicem 

 modice aculeata, thorace fere quadruple longiora, supra convexa, 

 postice longe dehiscentia, magine lateral! acuta, apice deplanata, 

 lateribus fere verticalibus, nitidis, in dorso costa discoidali pone 

 medium acuta, ante apicem abbreviata, ad basim obliterata carinaque 

 lateral! granulata, apicem attingente, prseterea rudimentum costae 

 interstitialis in singulo praedita ; parte antica disci sub-levigata, spatio 

 inter costas verrucis, ad lateralem validioribus, sat dense obsito ; 

 pedes subtus ut in speciebus prascedentibus. Long. 18 mm ; lat. 

 9 mm. $ . 



