CONTENTS. 



VOL. XIII. 



Page 



A General Catalogue of Nebulae and Clusters of Stars for tlie Year 1860-0, 

 witli Precessions for 1880-0. By Sir J. F. W. Herschel, Bart., F.R.S. . . 2 



Note on Kinone. By A. W. Hofmann, LL.D., F.E.S 4 



Researches on the Colouring-matters derived from Coal-tar. — I. On Aniline- 

 yeUow. By A. W. Hofmann, LL.D., F.RS 6 



Researches on the Colouring-matters derived from Coal-tar. — II. On 

 Anilme-blue. By A. W. Hofinann, LL.D., F.R.S 9 



Account of Magnetic Observations made between the years 1858 and 1861 

 inclusive, in British Columbia, Washington Territory, and Vancouver 

 Island. By Captain R. W. Haig, R.A 15 



On Plane Water-Lines. By W. J. Macquom Rankine, C.E., LL.D., 

 F.R.SS.L. & E., Assoc. Inst. N.A 15 



On the degree of uncertainty which Local Attraction, if not allowed for, 

 occasions in the Map of a Country, and in the Mean Figure of the Earth 

 as determined by Geodesy : a Method of obtaining the Mean Figure free 

 from ambiguity, from a comparison of the Anglo-Gallic, Russian, and 

 Indian Arcs : and Speculations on the Constitution of the Earth's Crust. 

 By the Venerable J. H. Pratt, Archdeacon of Calcutta 18 



On the Meteorological Results shown by the Self-registering Instruments 

 at Greenwich during the extraordinary Storm of October 30, 1863. By 

 James Glaisher, F.R.S., F.R.A.S 19 



Anniversary Meeting : — 



Report of Auditors 21 



List of Fellows deceased, &c 21 



■ elected since last Anniversary 22 



Address of the President 22 



Presentation of the Medals 31 



Election of Council and Officers *. 39 



Financial Statements 40 & 41 



Changes and present state of the number of Fellows 42 



On the Spectra of some of the Chemical Elements. By WiUiam Huggins, 



r.R.A.S 43 



On the Acids derivable from the Cyanides of the Oxy-radicals of the Di- and 



Tri-atomic Alcohols. By MaxweU Simpson, A.B., M.B., F.R.S 44 



a 2 



