Photographic facsimile; reprint imprint from Introductory note Edited by C. Davies Sherborn and E.R. Sykes Reprint 1906. Originally published: Hamburgi : Typis Johan. Christi. Trappii, 1798 Text in German "Seventy-five copies only printed"--Verso of original front wrapper SCNHRB (39088013486279 ) has copy no. 31, with ink signatures of C. Davies Sherborn and E.R. Sykes SCNHRB copy has [3] leaves of typescript index and blank leaves bound-in at end SCNHRB copy has bookplate of William Healey Dall, Division of Mollusks Sectional Library. Stamped on front free endpaper and original front cover: Division of Mollusks Sectional Library SCNHRB copy stamped on original front cover: Smithsonian Libraries May 2 1989 SCNHRB copy blind-embossed on t.p.: U.S. National Museum Division of Mollusks Dall Collection [ms. acc. no.] 216251 SCNHRB copy bound in brown library buckram, with title in gilt on spine, original printed paper wrappers bound-in