3. Systema Naturae, sive Regna Tria Naturae, systematice proposita, per classes, ordines, genera et species. Lugd. Batav. apud Haak, 1735. 14 pages folio. Of this work we have already spoken at considerable length. The two editions most in use are that of 1766-68, published at Stockholm, being the last that appeared under the author's inspection, and the enlarged but ill-digested one of Gmelin, published in 1788-1792 at Leipsic. 4. Hypothesis Nova de Febrium Intermittentium Causa. Harderovici, 1735. 4to. This is Linnaeus's thesis, written when he took his medical degree at Harderwyk in Holland. 5. Fundamenta Botanica, quae majorum operum prodromi instar, theoriam scientiae botanicae per breves aphorismos tradunt. Amst. 1736, apud Schouten. 36 pages 12mo. There have been eight editions of this tract, of which the last was published at Paris in 1774. 8vo. 6. Bibliotheca Botanica, recensens libros plus mille de plantis, huc usque editos secundum systema auctorum naturale, in classes, ordines, genera et species dispositos, &c. Amstelod. 1736, apud Schouten. 136 pages 12mo. There have been two other editions; the last of which appeared at Amsterdam in 1751. 7. Musa Cliffortiana, Florens Hartecampi prope Harlemum. Lugd. Batav. 1736. 40 pages 4to. 8. Genera Plantarum earumque characteres naturales, secundum numerum, figuram, situm et proportionem omnium fructificationis partium. Lugd. Batav. apud Wishof, 1737. 384 pages 8vo. The last edition, corrected by Linnaeus, was published at Stockholm in 1764. It contains 1239 genera. Five other editions have appeared since; the two last by Schreber and Hanke. 9. Viridarium Cliffortianum. Amst. 1737. 8vo. 10. Caroli Linnaei Corollarium Generum Plantarum; cui accedit Methodus Sexualis. Lugd. Batav. 1737. 8vo. 11. Flora Lapponica, exhibens plantas per Lapponiam crescentes, secundum systema sexuale, collectas itinere impensis Societ. Reg. Litterar. Scientar. Sueciae, anno 1732 instituta, additis synonymis, &c. Amstelod. apud Schouten, 1737. An improved edition was published by Sir J. E. Smith, London, 1792. 12. Hortus Cliffortianus. Amst. 1737. One vol. folio. 13. Critica Botanica, in qua nomina plantarum generica, specifica et variantia examini subjiciuntur, selectiora confirmantur, indigna rejiciuntur simulque doctrina circa denominationem plantarum traditur; cui accedit Browalii Discursus de introducenda in scholas Historiae Naturalis lectione. Lugd. Batav. apud Wishof, 1737. A second edition, with a Dissertation on the Life and Writings of Linnaeus, was given by J. E. Gilibert in 1788. 14. Petri Artedi, Sueci Medici, Ichthyologia, sive opera omnia de Piscibus; scilicet Bibliotheca Ichthyologica; Genera Piscium; Synonyma Specierum et Descriptiones; omnia in hoc genera perfectiora quam antea ulla. Posthuma vindicavit, recognovit, coaptavit et edidit C. Linnaeus. Lugd. Batav. apud Wishof, 1738. A second edition, by Walbaum, appeared at Gryphishaw in 1788-1791. 3 vols 4to.