GENERAL SCIENCE. 



1157 



Young, Thomas, (cont.). A practical and historical treatise on Con- 

 sumptive Diseases. 8°. London, 1815. 



[ ] Elementary Illustrations of the Celestial Mechanics of La- 

 place ; Part the first, comprehending the first book. 



8°. London, 1821. 



[ ] Tides. (From the ' Encyclopaedia Britannica.') 4°. [1824?] 



An account of some recent Discoveries in Hieroglyphical Litera- 

 ture and Egyptian Antiquities, including the author's original 

 alphabet as extended by Mr. Champollion. 8°. London, 1823. 



— Memoir of the Life of Thomas Young, with a catalogue of his 



works and essays. [By H. Gurney ; to which are added : I, As- 

 tronomical chronology of Egypt deduced from Ptolemy and his 

 Commentators ; n, Rudiments of an Egyptian Dictionary in the 

 Enchorial character by Dr. Young.] 



3 pts. in 1 vol. 8°. London, 1831. 



Miscellaneous Works ; edited by George Peacock, D.D., and 



John Leitch. 3 vols. 8°. London, 1855. 



Vol. 1-2. Scientific memoirs, &c. 

 „ 3. Hieroglyphical Essays and Correspondence. 



Mecanique. [Transl. fr. A Course of Lectures on Natural 



Philosophy, &c] See Dictionaries : Encyclopedic Portative. 

 Life. See Peacock. 



Young, (Sir) William. Life of Brook Taylor. See Taylor, Brook : 



Contemplatio philosophica. 

 Yvon, Paul, (Seigneur) de la Leu. See La Leu. 



Yvon Villarceau, A. J. Determination des Orbites des Planetes et des 

 Cometes. 4°. Paris, 1857. 



et Magnac, Avecl de. Traite de Navigation, [2 e Section] ; Navi- 

 gation Astronomique, [2 e Partie]. Nouvelle Navigation Astrono- 

 mique. Theorie par Yvon Villarceau ; Pratique par Aved de 

 Magnac. 2 pts. in 1 vol. 4°. Paris, 1877. 



Zaaijer, Teunis. Beschrijving van twee Vrouwenbekkens uit den 

 Oost-Indischen Archipel. [Thesis.] 8°. Leiden, 1862. 



Zach, Franz Xaver von. De vera Latitudine et Longitudine geogra- 

 phica Erfordise. 4°. Erfurt, 1790. 



Nachrichten von der konigl.-Preussischen trigonometrischen 



und astronomischen Aufnahme von Thtiringen und dem Eichsfelde 

 und von der Sachsen-Gothaischen Gradmessung, zur Bestimmung 

 der wahren Gestalt der Erde. Theil 1. 4°. Gotha, 1806. 



Tables abregees et portatives de la Lune, calculees pour le 



meridien de Paris. 8°. Florence, 1809. 



Nouvelles Tables d' Aberration et de Nutation, pour 1404 Etoiles ; 



avec une table generale d'aberration pour les planetes et les 

 cometes. . . , 8°. Marseille, 1812. 



