Nebulae. 



•J 11 



7800 



stein. Corrertions to Prof. Tin- 

 ner's |japer " On tlie classitioation of 

 long-period variable stars and a jiossible 

 phvsieal interpreuuioii." .M.N., 68, 



On Dr. Toberts' nietliod of 



determining tlie absolute dimensions of 

 an Algol variable star. M.N., 68, (4i»0). 



Turner. 139C9. Variable stars. [Ab- 

 fttract of lecture.] 



13984. On the determi- 

 nation of periodicity from a broken 

 series of maxima. 



Note to Father Stein's 



IKiper. M.X.. 68, (49-'). 



An example of Prof. Karl 



Pearson's calculation of correlation in 

 the case of periodic inequalities of long- 

 period variables. M.M., 68, (544, 677). 



Note on the period of S 



Serpentis. il.X., 68, (560). 



New variable star 16. 1908 



Vulpeculae. A.X., 178, i367). 



WMteside. Maxima of long- period 

 variables. A.J., 25, (73, 109). 



WMtney. ^Iaxin:a of long-period 

 variables. A J., 25, (83). 



Maxima and Minima of 



long-jjeriod variables. A.X., 178, (317). 



Williams. Some long-period variable 

 stars. A..J., 25, (79). 



WHson. A revised list of vaiiable 

 stars of short period. P.A., 14, (75). 



Wolf. Vemiessuug veranderlicher 

 Sterne. A.X., 177, (61). 



Yendell. On the observation of vari- 

 able stars. P.A., 14, (537). 



Zeipel. Ergebnisse von Photometer- 

 beobachtungeu veranderlicher .Sterne 

 iur/er Periode. A.X., 177, (369). 



7700 



STAR CLUSTERS. 



Dreyer. 12830. Second Index Cata- 

 logue of nebulae and clusters of stars, 

 containing objects found in the jears 

 1895 to 1907, with notes and corrections 

 to the New General Catalogue and to 

 the Index Catalogue for 1888-1894. 



Ludendorff. Nachtrag zu „Der 

 gro-se .Sterniiaufen im Herkules Messier 

 13.' A.X., 178, (.369). 

 ^E-13660) 



Nangle. 13508. 13509. The cluster 

 near k Crucis. 



13511. A comparison of 



maps of the coloured cluster about k 

 Crucis. 



7800 



NEBULM. 



Barnard. A nebulous groundwork in 

 the constellation Taurus. Ap.J., 25, 

 (218). 



Nebulae and nebulosities. 



A.N., 175, (231). 



Variability of the nucleus 



of the planetarv nebida N.G.C. 7662. 

 M.X.. 68, (46.5)." 



Berberich. 12519. Der Andromeda 

 nebel. 



Boblin. 12570. Versuch einer Be- 

 stimmung der Parallaxedes Andromeda- 

 Xebels. 



Dreyer. 12830. Second Index Cata- 

 logue of nebulae and clusters of stars, 

 containing objects found in the years 

 1895 to 1907, with notes and corrections 

 to the New General Catalogue and to the 

 Index Catalogue for 1888-1894. 



Gore. 12990. The great nebula in 

 Andromeda. 



Huss. Die Parallaxen der Nebel G C 

 4964 und XG C 7027. A.N., 178, (95). 



Kopff. Die Nebel der Nova Persei. 

 Dis.s. Heidelberg, 1907. 



See. Significance of the spiral nebulas. 

 P.A., 14, (614). 



A cloud of great height, 



probably of cosmical origin, observed at 

 Flagstaff, Arizona, November 3, 1896. 

 A.N., 177, (131 



Shaw. The inclinations of the planes 

 of some spiral nebulae to the galaxy. 

 M.N., 69, (72). 



Turner. The period of variation of 

 Barnard's variable nebula in Andromeda. 

 M.X.,68, (481). 



Wolf. Lengths of axes and position 

 angles of 52 oval nebulae. M.N., 68, 



(626). 



A new "Cave" nebula in 



Cepheus. M.N., 69, (117). 



Wood. 14082. Die photograpliische 

 Aufnahme sehr schwacher Si^ektreii und 

 Nebel. [Uebers.] 



p 2 



