CHRONOLOGICAL LIST 



OF THE MORE IMPORTANT WORKS AND PAMPHLETS RELATING TO 

 THE INFUSORIA PUBLISHED SINCE THEIR FIRST DISCOVERY IN 

 A.D. 1675 TO THE YEAR 1882. 



1677. ANTONY VAN LEEUWENHOEK, Observations concerning little Animals observed in 

 Rain, Well, Sea, and Snow Water, as also in Water wherein Pepper had lain 

 infused. ' Philosophical Transactions,' vol. xii. p. 821. 



1677. - , Account of the manner of observing- little Animals in divers sorts of Water. 



1683. - > Opera Omnia. 



1685. - > Onttedingen en Ontdekkingen. 



1693. SIR EDMUND KING, Several Observations and Experiments on the Animalcula. in 



Pepper-water, &c. ' Philosophical Transactions,' vol. xvi. p. 86 1. 



1694. A. VAN LEEUWENHOEK, Concerning Animalcula found in Teeth. ' Philosophical 



Transactions,' vol. xvi. p. 646. 



1695. - , Arcana Naturae detecta. 4to, Delphis Batavorum. 



1696. STEPHEN GRAY, Several Microscopical Observations and Experiments. ' Philo- 



sophical Transactions,' vol. xix. No. 221. 



1696. JOHN HARRIS (Rector of Winchelsea), Some Microscopical Observations of vast 

 numbers of Animalcula seen in water. ' Philosophical Transactions,' vol. xix. 

 p. 254. 



1702. A. VAN LEEUWENHOEK, Concerning the Worms in Sheeps' Livers, Gnats, and 

 Animalcula in the Excrements of Frogs. ' Philosophical Transactions,' 

 vol. xxii. No. 261. 



1702. - , Continuatio Arcanorum Naturae. 4to, Delphis Batavorum. 



> Concerning Green Weeds growing in Water, and some Animalcula 



found about them. ' Philosophical Transactions,' vol. xxiii. No. 283. 



1703. ANONYMOUS, An Extract of nine Letters sent to Sir C. H., relating to some Micro- 



scopical Organisms. ' Philosophical Transactions,' vol. xxii. No. 284. 



1703. A. VAN LEEUWENHOEK, Observations on some Animalcula in Water; the dis- 



solution of silver, &c. ' Philosophical Transactions,' vol. xxiii. No. 286. 



1704. - , A letter concerning Animalcula on the roots of Duckweed. ' Philosophical 



Transactions,' vol. xxiv. p. 1784. 



1708. - , A letter containing some further microscopical observations on the 

 Animalcula found upon Duckweed. ' Philosophical Transactions, vol. xxviii. 

 p. 1 60. 



1713. - , Further Microscopical Observations on the Animalcules found upon 

 Duckweed, 



1718. LOUIS JOBLOT, Descriptions de Nouveaux Microscopes, avec de nouvelles Observa- 

 tions faites sur une multitude d'insectes qui naissent dans les liqueurs pre'pare'es. 

 4to, Paris. 



