Prolegomena dated Dec. 26, 1776 "Mantissa specierum nuper detectarum": p. 209-310 Head- and tail-pieces; side-notes (in "Mantissa specierum") Signatures: )(A-TU The final leaf (U4) is blank Includes bibliographical references Hagen, H.A. Bib. entomologica extracted picklist SCNHRB has 2 copies SCNHRB c. 1 (39088002859734; formerly SCAIRB) has autograph of a former owner in ms. ink: E.A. Schwarz; stamps on t.p.: E.A. Schwarz, U.S. Nat. Museum, recd. Jan. 1927 from Bela Hubbard. Carded, Div. of Insects, Div. Ins., U.S. Natl. Mus SCNHRB c. 1 has a modern black half-leather binding with marbled paper boards and endpapers, and gilt-tooled spine. Each leaf is untrimmed and has had a blank paper extension added to the bottom, increasing the height of the volume to 23 cm. The final blank leaf is present SCNHRB c. 2 (39088008690356; formerly INVZRB) has stamp on t.p.: Library, Division of Crustacea; there is also an illegible ink signature on t.p. that has been crossed through. With embossed stamp on p. [5] (1st group): Smithsonian Institution National Museum; accession no. 154711 SCNHRB c. 2 has some ink annotations in an unknown hand on p. 155-156 and passim SCNHRB c. 2 has blue buckram library binding with gilt-lettered spine and red sprinkled edges; binder's label on back paste-down endpaper reads: Bound by Townsend Book Bindery, New Market, Va. The final blank leaf is wanting