1-4 INDEX CATALOGUE. 



Dien : See Le Verrier. [New nebula.] C. R., xl, p. 775. 



Doppelmayer : Himinelskarten. Blatt. 26. [Figure of nebula Orionis, 

 after Huyghens and Picard. 



Drew, John : Atlas of nebulae and clusters, Southampton, [about] 1864, 

 [I have never seen this work, but suppose it to have been similar 

 to a series of charts made by him for the South Kensington 

 Museum. These are none of them original.] 



Dreyer, J. : V. J. S., 1876, p. 69. [Review of Schtjltz's 500 nebula?.] 



: V. J. S., 1876, p. 269. [Review of Schcenfeld, Ast. Obs. 



Mannheim, vol. ii ;] and same vol. p. 276. [Review of Vogel, 

 Leipzig observations, 1876.] [Dreyer also notes that the 

 Merope variable nebula is not seen in Lord Rosse's telescopes.] 



: A. N., lxxxviii, col. 359. [Announcement of his proposed sup- 

 plement to Herschel's general catalogue of nebulas.] 



: Mon. Not. R. A. S., xxxvii, p. 427. [Identification of some of 



Stephan's nebulas.] 



Duner : A. N., lxxviii, col. 251. [Discovery of a nebula.] 



Dunlop : A catalogue of nebulae, etc., in the southern hemisphere. P. T.. 

 1828, p. 113. [629 objects ; figures of 27.] Ed. Jour. ScL, x, 

 p. 282. 



Durchmusterung, etc. : [Argelander.] The Maps have 62 nebulae and 

 clusters. See Littrow. 



Edinburgh Journal of Science : Vol. x, p. 282. [Dunlop.] 



Edinburgh New Phil. Journal : Vol. xxxiii, p. 307. [Arago.] 



Edinburgh Review : Vol. 88, p. 55. [Review of Sir John Herschel's 

 Survey of the Southern Heavens.] 



Ellery : Mon. Not. R. A. S., xxxiv, p. 269. [Note on rj Argus.] 



Engelmann R. : Messungen 90 Doppelsternen, etc., p. 147. [Variability 

 of stars in nebula Orionis.] 



: [Has a series of observations on nebulae, made in 1865 and 1^66, 



and as yet unpublished. See Vogel's Beob. v. Nebeljlec/ccn, 

 etc., 1867, p. 85.] 



: V. J. S., 1875, p. 111. [Review of Helmert's work on the cluster 



in Sobieski's Shield.] 



Ennis : Origin of the stars. 8vo. 



. Phil. Mag., L. E. D., 5th series, vol. 3, p. 262. [Nebular Hypoth- 

 esis.] 



