South African Coleopterous Fauua. 295 



longitudine in medio tertio latior, ad foveam lateralem modice 

 ampliatus, basi apice nonnihil angustior angulis posticis acutis, 

 reflexis ; elytra oblonga, pvothorace tertio longiora, utrinque bifariam 

 anguste striata, striis levibus, prima juxta suturali Integra, at antice 

 valde abbreviata, altera tertiam partem postice vix attingente, sulcus 

 posticus lateralisque profundi. 



Long. 2 mm. ; lat. 1 mm. 



This pretty species is as shiny iridescent as some of the small 

 species of the genus Stcmolophus. 



Hah. Cape Colony (Port Alfred). Eev. J. A. O'Neil. 



Tachys debilis, n. sp. 



Flavus, nitidus, antennis articulis basalibus tribus pallidis, reliquis 

 sub-infuscatis, palporum articulo ultimo etiam obscuriore ; caput 

 impunctatum, sulcis manifestis ; prothorax longitudine duplo latior 

 antice rotundato ampliatus, pone foveolam lateralem retrorsum 

 suboblique attenuatus, basi apice nonnihil latior angulis haud 

 reflexis, in medio canaliculatus, omnino levis ; elytra antice pro- 

 thorace nonnihil latiora, triplo longiora, oblonga, stria juxta suturali 

 levi Integra tantummodo utrinque prsedita, arcu posticali bene 

 distincto. 



Long. 1-J— 2 mm. ; lat. |^-1 mm. 



Hah. Southern Ehodesia. (G. A. K. Marshall.) 



Tachys arrogans, n. sp. 



Stramineo flavus, antennarum articulis totis pedibusque pallidis ; 

 caput impunctatum sulcis mediocribus; prothorax longitudine media 

 nonnihil latior, ab apice pone medium manifeste rotundato ampliatus 

 dein basim versus distincte sinuatus anguhs acutis, reflexis, basi ipsa 

 lata at apice aliquantulum angustiore ; elytra antice prothoracis 

 latitudine maxima, oblonga, vix convexa, striis levibus duabus juxta 

 suturalibus, a basi longe remotis, prima ad apicem obliterata, secunda 

 punctum posticum attingente in singulo praedita, sulco posticali haud 

 arcuato. 



Long. 2 mm. ; lat. j} mm. 



Not quite so broad in proportion as T. dehilis ; the prothorax is 

 narrower, and the number of striae on the elytra differ. 



Tachys minutissimus. 

 E minimis. Pelucidus, antennis pedibusque pallidis ; caput 

 impunctatum sulcis profundis; prothorax longitudine media tertio 



