1758. Holmiae, Laurentius Salvius, 1758-59 + 1768. 8vo. Beautifully bound in two recent full mottled calf bindings, in pastiche, with five raised bands, and gilt title-labels to spine. Gilt borders to boards and blindstamped ornamental borders to inside of boards. Title-page of volume 1 with two neatly repaired tears, no loss. Very discreet stamp in blind to title-page (Boston Society Natural History). A few leaves lightly brownspotted, otherwise exceptionally clean (vol. 1 presumably cleaned). All in all a lovely copy. (4), 823, (1, -errata, being p. (824)); (4) pp, pp. 825-1384 + 236, (20, -Index) pp. + 3 folded, engraved plates. The rare seminal tenth edition of Linnaeus' main work (here bound together with the 3rd part, published 10 years later), being the most important edition of this foundational work, as "[i]t is in this edition that Linnaeus carried out the definitive plan of binominal nomenclature, with diagnosis and synonyms, for the fist time, including the generic and…