Description of a new species of the Coleopterous family Staphylinidae

Osorio puncticolli Kraatz (Indiae orientalis) vicinus, sed paulo minor et praesertim angustior, niger, nitidus, palpis, antennis pedibusque rufis, capite toto longitudinaliter subtilius densiusque strigoso, fronte media vix carinulata, angulis anticis externis rotundatis, tuberculis ocularibus minus elevatis, vertice puncto nullo, thorace longiore et angustiore, vix transverso, cordato, ante basin minus abrupte coarctato, multo subtilius densiusque asperatim punctato, elytris etiam duplo subtilius crebriusque punctatis, abdomine haud perspicue alutaceo, punctura asperata crebriore, duplo subtiliore, pube aurea longius densiusque vestito, tibiis anticis extus spinis 9 vel 10 (neque 5 ut in puncticolli) armatis, 5 apicalibus majoribus maxime distinctus. — Long. 7½ mm. Found in Sumatra: in October at Alahan pandjang by the Dutch Scientific Sumatra-Expedition (Leyden Museum), in September at Soengei-Boeloe by Dr. Beccari (Civic Museum at Genoa and the Author’s collection).