48 INDEX CATALOGUE. 



North British Review : Vol. viii, p. 263. [Review of Sir John Her- 



schel's Astronomical Observations.] See also Am. Jour. Sci., 

 2d series, vol. v, p. 86. 



Olbers : Ueber einen von Cacciatore gesehenen Nebelfleck. A. N., v. 



col. 113. 



: B. J., 1826, p. 110. [Transparency of Space.] 



: Notice of J. Herschel's observations of nebulse, etc. [1825-33.] 



A. N., vol. xi.col, 373. 



■ A. N., vii, col. 64. [On Cacciatore's new nebula. See Zach, 



Mon. Corr., xiv, p. 409.] 

 ■ ■ : Allgemeine Gcog. Epbem., iv, 269. 



Oppolzer: A. N., lxx, col. 155. [Observations of h. 2000,2036,2037, 

 2064, 2075, 2081, 2128, 2139, 2173, 2203, 2230, 2233, and H. ii, 

 249, and comparison witb other observations.] 



[ ] : A. N., lxiii, col. 246. [Comparison of his observations of neb- 

 ulas with those of other observers.] 



Oriani : Lage von 3 neuen Nebelsternen, etc. B. J., 1784, p. 181. [G. C. 

 3021 ; 1712 = M. 67 ; 2878 = M. 61.] 



Paris Academy of Sciences : See Academy of Sciences. 



Peter: V. J. S., 1877, p. 64. [Is engaged on a monograph of the cluster 

 h. 2027 = G. C. 4460, at Leipzig.] 



Peters, C. A. P. : V. J. S., 1877, p. 61, No. 3. [An unpublished series of 

 observations of nebulas for position begun at Altona is continued 

 at Kiel.] 



Peters, C. H. F. : A. N., lxxi, col. 240. [Error in place of a nebula,— 0° 

 No. 2436 in Bonn Zones.] See Argelander, A. JV., lxxi, col. 

 237. 



: Gould's Astr. Journal, No. 98, vol. v, p. 16. [On Capocci's 



nebula.] 



Petersen : Ast. Jour., i, p. 47. [Notice of discovery of Hind's nebula.] 



: Ast. Jour., i, p. 48. [New nebula, 6 h 4 m 14 s + 12° 40'; 1850.0. 



Auwers identifies it as H. vi, 5.] 



: Ast. Jour., iii, p. 71. [Notice of discovery of a double nebula by 



Secchi.] 



Pfaff, J. W. A. : W. Herschel's Entdeckungen. 8vo. Erlangen, 1828. 

 : Do dimensione Cceli seeundem principia W. Herschelii. Er- 

 langen, 1825, 4°. 



