2 INDEX CATALOGUE. 



Academy of Sciences, Paris : Comptes Rcndus. 



Account of Several Nebulas, etc. : [Halley,] p. t., xxix, p. 390. 



Adams, J. C. : Address on presenting the gold medal of the K. A. S. to 

 D' Arrest, February, 1875. Mon. Not. R. A. S., xxxv, p. 265. 



Airy: Mon. Not., iii, p. 167. [The History and present state of our 



knowledge of Nebulae.] 



: Mon. Not. R. A. S., xxxi, p. 233. [Nebula in Argo.] 



: Mem. R. A. S., ix, p. 303. [Address on delivering gold medal to 



Sir J. Hersciiel.] 



Alexander, S.: On the origin of the forms, etc., of Nebula?. Ast. 

 Jour., Vol. II., p. 95, Nos. 36-44. 



: Am. Jour. Sci., 2d series, xv, p. 300. 



Alphonso X. : Libros del Saber de Astronomia. Vol I, p. 143„4°. 



American Academy of Arts and Sciences : Memoirs. Boston. 1818. 



Vol. Ill, p. 75. Bond, G. P. 

 : 1848. Vol. Ill, p. 87. Bond, W. C. 



American Academy of Arts and Sciences : Proceedings. Boston. Vol 



I, pp. 165, 325, 342. Bond, W. C. 

 : 18G2-3. Vol. VI, p. 177. Bond, G. P. 



