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, Summar>' 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. 



•753- Henry Baker, Employment for the Microscope. 8vo, London. 



1754. L. JOBLOT, Obser\'ations d'Histoire Naturelle faites avec le Microscope sur les 

 Animalcules qui se trouvent dans les liqueurs prepar^es. 4to, Paris. 



1754. J. C. Sch.\ffer, Die Armpolypen in den sUssen Wassem von Regensburg. 4to, 



Regensburg. 



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

 1758. LlNN^us, Systema Naturae. Ed. x., 8vo, Bruxelles. 



1760. M. T. Ledermuller, Mikroskop-Gemiiths- und Augen-Ergotzung. 410, 



Niimberg. 



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



Niimberg. 



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



1765. Wissberg, Observationes de Animalculis Infusoriis. Svo, Gottingen. 



1766. Pallas, Elenchus Zoophytorum. Svo, Haga Comitis. 



1767. LinNjEUS, Systema Naturae. Ed. xii., Svo, 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 terrestriuni et fluviatilium Historia. 4to, Havniae et 



Leipsig. 



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



1775- J- C. ElCHORN, Beitrage zur Kenntniss der kleinsten Wasserthiere, die mit keinem 

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



1776. Otho Friedrich Mueller, Zoologise Danicae Prodromus. Svo, Havniae. 



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



1778. Slabber, Naturk. Verlustigingen. 



1775. Baster, Naturk. Uitspanningen. 



177S. W. F. Gleichen, Abhandl. iiber die Saamen u. Infusionsthierchen. 4to, 

 Niimberg. 



1780. Schrank, ' Neue Philosoph. Abhandl. d. Baierischen Akad. d. Wiss.,' Bd. ii. 



p. 479. 



