NEBULiE, CLUSTERS, ETC. 



Proceedings of Royal Society of London : 



51 



Quarterly Journal of Science : 1872, p. 308. 



Quarterly Review : Vol. 85, p. 1. [Review of Sir John Herschel's 

 survey of the southern heavens.] 



Rheinl. u. Westph. Sitzungsber : Vol. xix, [18G2,] p. 79, Argelander. 



Robinson: Proc. R. Irish Acad., iii, p. 127. [Account of observations on 



nebulae with Lord Rosse's telescope.] 



: Same, vol. iv, pp. 124, 236. 



: Rept. B. A. A. S., 1869, p. 20. [Nebula in Argo.] 



■ : Nature, vol. 6, p. 8. [On Melbourne observations of 7 Argus 



nebula, with two cuts.] 

 : Nature, vol. 15, p. 232. [Note on the resolvability of the central 



part of nebula Orionis.] 



Roman College Observatory : See Colleqio Romano and Secchi. 



Rondini : See De Vico. [Drawing of nebula of Orion.} 



Rosse*: Observations of some of the nebula?. P. T., 1814, p. 321. [Plates.] 



: [Condensed account of above.] Am. Jour. Sal, 2d series, ix, p. 



140, and Proc. R. S., v, p. 514. 



: Observations on the nebula?. P. T., 1850, p. 499. [Plates.] 



: [Condensed account of above.] Proc. R. S., vol. v, p. 9G2. 



* Third Earl of Rosse. 



