Contains: A. Auwers, publication of the star index by Tobias Mayer - G. Berthold, publication of a treatise on sunspots - F. Blockmann, investigations of the development history of brachiopods - A. Borgert, investigations of radiolarians - K. Futterer, investigation of chalk formation in the Veneto Alps - C. Holster, botanical collections. - O. Jaekel, publication of his work "Über die Selachier vom Monte Bolka...".- G. Müller, Kempf, studies on the extinction of stellar light.- F. Reinecke, anthropological research (journey to the South Seas, Samoa, Tonga, New Caled).- P. Schiefferdecker, production of a microtome.- Fülleborn, studies on the development of the Lepisosteus, Amia and Necturus in North America.- C. A. Weber, Investigations of the Tormoore.