NEBULA, CLUSTERS, ETC. 



57 



Stephan : A. N., lxxvi, col. 159. [Observations of new nebula?.] 



A. N, lxxviii, col. 295. [Observations of new nebula?.] 



A. N., lxxix, col. G2. [Discovery and observations of new nebula?.] 



A. N., lxxxi, col. 303. [Observations of new nebula?.] 



A. N., lxxxiii, cols. 51 and 137. [Observations of new nebula 1 .] 



A. N., lxxxix, col. 2G3. [Notice of 30 new nebula?.] 



Man. Not. R. A. S., xxxii, pp. 23-231. [Observations of new 

 nebula?.] 



Mon. Not. R. A. S., xxxiii, p. 433. [Observations of new nebula?.] 



Mon. Not. R. A. S., xxxiv, p. 75. [New nebula?.] 



C. R-, vol. Ixxiii, 1871, ii, p. 825. [Notice of discoveries— no 

 catalogue given.] 



G. R., vol. lxxiv, 1872, i, p. 444. [Catalogue of new nebula?.] 



G. R., vol. lxxvi, 1873, i, p. 1073. [Catalogue of new nebula? ] 



C. R., vol. lxxvii, 1873, ii, p. 1364. [Catalogue of 20 new nebula?.] 



C. R., vol. lxxviii, 1874, i, p. 313. [Notices of discoveries, no 

 catalogue.] 



: C. R-, vol. lxxxiii, 1875, p. 328. [Notice of discoveries of nebula?.] 



: C. R., vol. lxxxiv, 1877, pp. 641, 705. [Notice of 60 new nebula?.] 



Stone, E. J., and Carpenter : Mon. Not. R. A. S., xxiv, p. 92. [On G. P. 

 Bond's drawing of nebula of Orion. See same vol., p. 177.] 



Stone, E. J.: Mon. Not. R. A. S., xxxvii. p. 232. [On apparent bright- 

 ness as an indication of distance in stellar masses.] 



: Nature, vol. xv, p. 550. [Bright lines in the spectra of clusters.] 



Stoney, B. B. : See Bo'sse. 



St. Petersbourg : Academie Imperiale des Sciences. Memoires. 1802, 

 vol. v, series 7, 0. v. Struve. 



: Bulletin Scien.tif.que, 1838, vol. iv, p. 238. J. Herschel. 



: Bulletin de la Classe Phys-Math., vol. xii, col. 316, W. Struve ; 



vol. xvi, col. 113, O. v. Struve. 



: Bulletin, vol. vii, col. 18. Winnecke, vol. vii, col. 353 ; vol. 



ix, col. 569 ; vol. xiv, col. 248, O. v. Struve. 



: Tableau general mcthodique et alphabetique des Matieres contenucs 



dans les Publications de l' Academie Imperiale des Sciences de St. 

 Petersbourg depuis sa fondation. Ire parlie. Langues etrangcrcs. 

 8vo. 1874. 5 2 



