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Show 1884.] FROM THE LOWER NIGER. 405 sat acute reflexis, medio sinuato; thorace sparsim subtiliter punctulato; scutello nigro punctulato; elytris haud costatis, geminato striato-punctatis, interstitiis irregulariter punctatis, pygidio subruguloso haud profunde punctato. Long. 20 millim. <S . The exterior and longer claw of four anterior tarsi is bifid ; terminal ventral segment strongly sinuated at the apex. 7. ADORETUS CINERARIUS, Burm. Handb. Ent. iv. 1. p. 476. 8. ADORETUS RUGULOSUS, Burm. Handb. Ent. iv. 1. p. 473. 9. TEMNORHYNCHUS CRIBRATUS, n. sp. T. retuso affinis ; differt clypei lamina verticali multo altiori, angusta vix emarginata, thorace grossius et profundius punctato, antice fortius excavato-retuso, elytrisque Fig. 2. Fig. 3. Temnorhynchus cribratus. Gnathocera sericinitens. Long. 19 millim. The middle of the upper margin of the anterior concavity of the thorax forms a thick rim. 10. GNATHOCERA AFZELI, Swartz, Schonh. Syn. Ins. i. 3. App. p. 50. 11. GNATHOCERA SERICINITENS, n. sp. Nigra subtus nitida, supra sericeo-opaca ; elytris (marginibus |