44 INDEX CATALOGUE. 



Legentil : Remarques sur les etoiles nebuleuses. Hist, de I' Acad. R. dcs 

 Sci., Paris, 1759, p. 453, [with plates.] 



: Mem. des Savans etrangers, vol. ii, p. 137. [Discovery of a neb- 

 ula near the Andromeda nebula.] 



Le Monnier : Catalogue des etoiles de la neb. de l'ecrevisse. Hist, de I' 

 Acad. R. des Sci., Paris, 1789, p. 610. 



Le Sueur: Scientific Opinion, vol. iii, p. 250. [Spectrum of nebula of 



Argo, etc.] 



: Proc. R. S., 1870, xviii, pp. 1, 212. [Spectrum of Orion nebula.] 



. Proc. R. &, London, 1870, xix, p. 18. [Spectrum of Orion nebula, 



etc.; drawing of G. C. 1477-78.] 

 : Proc. R. S., London, 1870, vol. xviii, pp. 216 and 245. [G. C 



4403, with drawing ; G. C. 3570 and 1179.] 

 : Trans. R. S. Victoria, x, pp. 11-23. [On 27 Argus and surrounding 



nebula. See also p. 23 for spectrum n Argus.] 



: Correspondence concerning the Great Melbourne Telescope. Part 



iii, p. 16. 



Le Verrier: C. R., xliv, 1859, pp. 1074, 1293-5. [Porro's new star in 

 nebula of Orion.] 



: C. R., vol. liv, 1862, 1, p. 299. [Hind's variable nebula observed 



by Hind, D'Arrest, Chacornac, Goldschmidt.] 



: C. R., 1862, vol. liv, p. 299. [Drawing of nebula in Canes V.] 



: C. R., vol. liv, 1012. [Drawing of the Lyra nebula.] 



: C. R., vol. lv, 1862, p. 606. [Letter of Lassell on a planetary 



nebula.] 

 : Same, p. 792. [Discovery of two nebulae by Schonfeld.] 



Liaponoff : Mon. Not. R. A. S., vol. xxiii, p. 228. [Review of his work 

 on nebula Orionis.] 



: See O. Struve. 



. See W. Strtjve. 



Lincei Nuovi : Atti dell' Acad. Pontificate dei. Vol. vii, p. 67 ; xxi, p 15; 

 xxv, p. 49. Secchi. 



Littrow : Sterngruppen und Nebelmassen des Himmels, 8°, 1835. 



: Die Wiinder des llimmels, 2d ed., 1842. 



: Sitzungsbcr. d. Wiener Akad., 1869, vol. lix. [The Durchmuster- 



ung of Augelander contains sixty-two nebulae and clusters.] 



Littrow, K. VOH : Ueber d. Zuriickbleiben d. Alton in d. exacten "Wis- 

 senschaften, 8vo. [Views of the ancients on the Pleiades, etc.] 



