1910 [ii], 463 p., 28 mostly lithographed plates (11 coloured), frontispiece (= nice photographic portrait of Kobelt), large 4to, paperbound (original printed covers). Plastified. Small waterstain to right margin of plates 22-28 (becoming large in last two plates 27-28 and on back cover). Rare.A well-illustrated and varied Festschrift for one of Germany's most prominent malacologists, with contributions by Kobelt himself, and by Pallary, von Jhering [Ihering] (two papers), Haas, A. Wagner, Rolle, Schmalz, Geyer, Lindholm, Borcherding, Künkel, Hesse, Simroth, Thiele, Hoyle, Stein, Ehrmann, Jickeli, and Oscar Boettger. All papers deal with continental molluscs (land and fresh-water molluscs) only, except Hoyle's contribution which is on cephalopods, and Stein's (5 p.) which is non-malacological.