876 CHRONOLOGICAL LIST OF WORKS 



1722. A. VAN Leeuwenhoek, Opera Omnia Anatom. et Contempl. 



1740, Henry Baker, An Account of Leeuwenhoek's Microscopes. * Philosophical 

 Transactions,' vol. xli. No. 458. 



1742. , The Microscope made Easy. 8vo, London. 



1743. , A Contribution towards the Natural History of the Polype. 8vo, London. 



1744. Abraham Trembley, Observations upon several newly discovered Species of 



Fresh-water Polypi. ' Philosophical Transactions, vol. xliii. No. 476. 



1745. T. Needham, An Account of some new Microscopical Discoveries. 8vo, London. 



1746. Unger, Ueber Infusorien. ' Gottinger Zeitung von gelehrt. Sachen.' 



1748. T. Needham, Summary of some late Observations upon the Generation, Composi- 

 tion, and Decomposition of Animal and Vegetable Substances. ' Philosophical 

 Transactions,' vol. xlv. 



1752. John Hill, Essay in Natural History, containing a series of discoveries by the 

 assistance of Microscopes. 8vo, London. 



1752. , History of Animals, including the several classes of Animalcula visible only 



by the assistance of the Microscope. Fol., London. 



1753. Henry Baker, Employment for the Microscope. 8vo, London. 



1754. L. JOBLOT, Observations d'Histoire Naturelle faites avec le Microscope sur les 



Animalcules qui se trouvent dans les liqueurs prdpardes. 4to, Paris. 



1754. J. C. Schaffer, Die Armpolypen in den siissen Wassern von Regensburg. 4to, 



Regensburg. 



1755. A. J. ROSEL, Insectenbelustigungen. Th. iii. 4to, Niirnberg. 

 1758. LiNN^uSj Systema Naturae. Ed. x., 8vo, Bruxelles. 



1760. M. T. Ledermuller, Mikroskop-Gemiiths- und Augen-Ergotzung. 4to, 

 Niirnberg. 



1763. , Amusement Microscopique tant pour I'esprit que pour lesyeux. 3 vols, 4to, 



Niirnberg. 



1764. L. Spallanzani, Saggio di osservazioni microscopiche. 8vo, Modena. 



1765. Wissberg, Observationes de Animalcuhs Infusoriis. 8vo, Gottingen. 



1766. Pallas, Elenchus Zoophytorum. 8vo, Hagee Comitis. 



1767. LiNN^uSj Systema Naturae. Ed. xii,, 8vo, Bruxelles. 



1769. John Ellis, Observations on a particular manner of increase in the Animalcula of 

 Vegetable Infusions. ' Philosophical Transactions,' vol. lix., p. 138. 



1773. O. F. Mueller, Vermium terrestrium et fluviatilium Historia. 4to, Havnias et 



Leipsig. 



1774. GoEZE, Bonnet's Abhandlung aus der Insectologie. Bd. ii. 



1775- J- C. Eichorn, Beitrage zur Kenntniss der kleinsten Wasserthiere, die mit keineni 

 blossen Auge nicht konnen gesehen werden. 4to, Danzig. 



1776. Otho Friedrich Mueller, Zoologiae Danicae Prodromus. 8vo, Havniae. 



1777. L. Spallanzani, Opuscules de Physique Animale et Vdg^tale. Geneva. 



1778. Slabber, Naturk. Verlustigingen. 

 1778. B aster, Naturk. Uitspanningen. 



1778. W. F. Gleichen, Abhandl. iiber die Saamen u. Infusionsthierchen. 4to, 



Niirnberg. 

 1780. ScHRANK, / Neue Philosoph. Abhandl." d. Baierischcn Akad. d. Wiss.,' Bd. ii. 



p. 479. 



