BIBLIOGRAPHY OF HERSCIIEL^S WRITINGS 515 



Astronomical observations and experiments tending to investigate the local arrange, 

 ment of the celestial bodies in 8i)ace, and to determine the extent and condition 

 of the Milky Way. 



FliU. Trans., 1817, pp. 302-331. Lode's Jalirhuch, 1821, p. 149. 

 Astronomical observations and experiments selected for the purpose of ascertaining 

 the relative distances of clusters of stars, and of investigating how far the power 

 of our telescopes may bo expected to reach into space, when directed to ambigu- 

 ous celestial objects. 



Fhil. Trans., 1818, pp. 429-470. 

 On the places of one hundred and forty-five now double stars (1821). 



Mem. Roij. Ast. Soc, I., 1822, pp. 161J-181. 



III. — List of works relating to the life and writings of 

 William Herschel. 



[arranged alphabetically by authors.] 



[y(. B. In general, tlio notices of his life to bo found in encyclopaedias of biography, etc., are not in- 

 cluded here.l 



Arago (F.) 



Analyse de la vie et des travaux de Sir William Herschel [from Annuaire da 

 Bureau des Longitudes, 1842]. Paris, 1843. 18mo. 



[See also the Annuaire for 1834, for an account of Hersciiel's work on 

 double stars.] 



Arago (F.) 



Biographies of Distinguished Scientific Men. Translated by Admiral W. H. 

 Smyth, Rev. B. Powell, and Robert Grant, Esq. Herschel. 

 First series, ]). 258. Boston, 1 859. 8vo. 



Arago (F.) 



Herschel. [Translated from the French.] 

 Smithsonian Report. 1870, p. 197. 8vo. 



Auwers (A.) 



William Herschel's Verzeichnisse von Nebelfiecken und Steruhaufeu bearbeitet 

 von A. Auwers. 



From the Konigsherg Ohservations. 1862. Folio. 



Bessel (F. W.) 



Sir William Herschel. [From the Kiinigsherger Allgemeine Zeitung,\, 1843, No. 

 37, et seq., rexiriuted in his] Abhandlungen, vol. iii., p. 468. Leipzig, 1876. 4to, 



Bruhns (C.) 



Karolixe Lucretia Herschel, aus der AUgem. Dcutschen Biograpliie. 1877, 8vo. 



D' Arrest (H. L.) 



Verzeichniss von Sir William Herschel's NebeMecken erster und vierter Classe, 

 aus den Beobaehtnngen berechnot und auf 1850 reducirt. 



Abhandlungen d. Math. Phys. Classe der K. Sachs. Gesell. d. Wissenschaften 

 Band iii [1857] p. 359. 



Dunkin (E.) 



Obituary Notices of Astronomers, p. 86. 



Sir William Herschel, K. C. H., F. R. S., 1738, 1822. 

 London, 1879. 12mo. 



