189 
Algebraic Equations, by the late Judge Hargreave, LL.D., F.R.S.,’ ” 
by the Rev. Thomas P. Kirkman, M.A., F.R.S., Hon. Member 
of the Society. 
March 17th, 1868. — “ On the Origin of Colour and the Theory 
of Light,” Part II., by J. Smith, M.A., Perth Academy. 
March 2ith, 1868. — “Results of Rain-gauge and Anemometer 
Observations at Eccles, during the year 1867,” by Thomas 
Mackereth, F.R.A.S., F.M.S. 
March 31s£, 1868. — “ On the Solution of Algebraic Equations,” 
by the Rev. Thomas P. Kirkman, M.A., F.R.S., Hon. Member of 
the Society. 
March ?>lst, 1868. — -“Description of a Dolerite at Gleaston, in 
Low Furness,” by E. W. Binney, F.R.S. , F.G.S. 
March 31s£, 1868. — “A Search for Solid Bodies in the Atmos- 
phere,” by R. Angus Smith, Ph.D., F.R.S. 
March 31 st, 1868. — “Microscopical Examination of the Solid 
Particles from the Air of Manchester,” by J. B. Dancer, F.R.A.S. 
April 14 th, 1868. — “Brief Notes on the Mutations of Impon- 
derable Elements,” by Mr. J. C. Dyer, V.P. 
April 14 th, 1868. — “ Researches on Di-Methyl,” by Mr. W. H. 
Darling, Dalton Scholar in the Laboratory of Owens College. 
Communicated by Professor H. E. Roscoe, Ph.D., F.R.S. 
The printing of the third volume, third series, of the So- 
ciety’s Memoirs, containing papers read during the sessions 
1864-5, 1865-6, and 1866-7, has been completed; and a new 
volume has been commenced. Many of the papers in the 
above list will appear in this volume. 
The Sections have again contributed several interesting 
and important papers and communications to the Society’s 
Memoirs and Proceedings; and as the system of admitting 
Sectional Associates continues to work satisfactorily, the 
Council have decided to recommend its renewal for the 
ensuing year. 
The Librarian reports that the Society continues to receive 
the various publications of the Associations in correspond- 
ence with the Society. The number of learned bodies, &c., 
