40 



INDEX CATALOGUE. 



HugginS : On the spectrum of the great nebula in Orion. Proc. R. S., 

 xiv, p, 30. 



: Proc. R. S., xv, 1866, p. 7. [Spectra of nebulas. Remarks.] 



: On the spectrum of the great nebula in Orion, etc. Proc. R. S., 



vol. xx, 1872, p. 379. 

 : On the motions of some of the nebulas towards or from the earth. 



[G. C. 1179,4234,4373,4390,4447,4510,4904.] Proc. R. S. 



vol. xxii, 1873, p. 251. See V. J. S., 1873, p. 218. 

 : On the spectra of some of the nebulas. P. T., 1864, p. 437. See 



L. E. D. Phil. Mag., 1866, p. 523. 

 : Further observations on the spectra of some of the nebulas, with a 



mode of determining the brightness of these bodies. P. T. t 



1866, p. 381. See L. E. D. Phil. Mag., 1866, p. 475. 

 : Further observations of the spectra of the nebulas, etc. P. T., 



1868, p 529. Abstract Proc. R. S., xvi, p. 383. 

 : See L. E. D. Phil. Mag., [4,] xxxvi, p. 57, and V. J. S., 1869, 



p. 116. 

 : [Spectrum analysis applied to nebulas.] Mon. Not. R. A. S., xxv. 



pp. 109, 112. 

 : Mon. Not. R. A. S., xxvi, p. 71. [Nine stars in trapezium of 



Orion.] 

 : Mon. Nut. R. A. S., xxxii, p. 359. [Spectroscopic observations of 



nebulas.] 

 Am. Jour. Sci., 2d series, xl, pp. 77-133. [Spectra of nebulas.] 

 Am. Jour. Sci., 3d series, v, p. 75. [Spectra of nebulas.] 

 Am. Jour. Sci , 3d series, viii, p. 75. [Motions of nebulas.] 

 Lcs Mondes, ix, 18. [Qu'est ce qu'une nebuleuse?] 



Humboldt: Cosmos, iii and iv. [Bohn's edition, iii, milky way, etc.; iv, 

 nebulas, etc.] 



Huth : Astron. pbys. Beob. an Nebelflecken. B. J., 1807, p. 192. 



Htiyghens : Systema Saturnium, 4°, 1659. [Has a drawing of nebula of 



Orion.'] 

 : See Kaiser. 



Ideler : Ursprung d. Sternnamen. 1809. 8vo., p. 262. [Contains Sufi's 



account of Magellanic clouds.] 

 : Sec under Hersciiel various translations by Ideler. 



Ihle, A. : [Discovered nebula G. C. 4424 = M. 22 in Sagittarius, 1665.] 

 See Kirch. Ephemeriden, 1682. 



