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3. Essays on the Microscope, containing a practical description 

 of the most improved Microscopes, a General History 

 of Insects, their transformations, peculiar habits, and 

 ceconomy; an account of the various species and sin- 

 gular properties of the Hydrae and Vorticellae ; a des- 

 cription of 379 Animalculae, with a concise catalogue, a 

 view of the organisation of timber, and the configuration 

 of salts when under the microscope. With Atlas of 30 

 plates, folio. 4to. London, 1787. 



Adan, H. Ph. Le Microscope coup d'ceil discret sur le 

 Monde Invisible. 10 planches. 8vo. Bruxelles, 1873. 



Amici, Giambattista. Collezione di alcune Memorie e 

 Lettre. 12 plates. 4to. Modena, 1825. 



Annuaire de 1'Observatoire de Montsouris pour Tan 1882: 

 Meteorologie, Agriculture, Hygiene. i2mo. 



Paris, 1882. 



Antony, John, M.D. On the Structure of Plcurosigma 

 angulatum and Pleurosigma quadratum. i plate. 

 Month. Mic. Journ., Sept. i, 1870. 8vo. London, 1870. 



Ayscough, James. The Description of a Single Micro- 

 scope, and of the Apparatus adapted for the olar 

 Microscope, the Camera Obscura, as also for Viewing 

 Prints in Perspective, i plate. 8vo. (Also in French, 

 8vo.) London, 1753. 



2. A Description of the Structure of a Microscope, with the 

 Method of Using it, either with a Single or with 

 Compound Lenses, both for Opaque as well as 

 Transparent Objects. i plate. 8vo. 



London, 1754. 



Bachman, Prof. Dr. Isidor. Ueber eine Chalcedon- 

 mandel von Salto mit Fliissigkeitseinschluss. Sitzungsb. 

 naturf. Ges. Bern., 1878. p. 20. 8vo. Bern., 1879. 



