Frankfurt am Main, Vittorio Klostermann, 1939. 4to (29.2 x 20.6 cm). 234 pp.; 16 photographic plates. Later brown buckram with gilt title on spine. Original printed wrappers bound in.
A rarely seen bound copy of this important contribution to the Chinese molluscs by the Chinese (later American) malacologist Teng-Chien Yen (1903-1972). In total 1,026 specimens are figured, including several belonging to newly described species. This is Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 444. Published in the first year of WW II it has become scarce. On the front free endpaper and front wrapper top margin a stamp of the American malacologist Richard Irwin Johnson (1925-2020). A very good, clean copy.