171 
the Lower Coal Measures near Huddersfield,” by E. W. Binney, 
F.R.S., F.G.S. 
January ^th, 1867. — “ On the Amount of Carbonic Acid con- 
tained in Sea Air,” by Mr. T. E. Thorpe. 
January 8th, 1867. — “On the Amount of Carbonic Acid con- 
tained in the Atmosphere of Tropical Brazils during the Rainy 
Season,” by Mr. T. E. Thorpe. 
January 10th, 1867. — “On ‘Braun’s’ Photographic Copies of 
Drawings of the Old Masters,” by J. B. Dancer, F.R.A.S. 
January 10th , 1867. — “On Mr. Mercer’s Process of Printing 
Photographs in various Colours,” by J. B. Dancer, F.R.A.S. 
January 22nd, 1867. — “On Casting, Grinding, and Polishing 
Specula for Reflecting Telescopes (Part II.),” by James Nasmyth, 
C.E., Corresponding Member of the Society. 
January 22nd , 1867. — “On Storm Warnings,” by Dr. Buys 
Ballot. 
January 31 st, 1867. — “Results of Raingauge, Anemometer, and 
Ozone Observations, made at Eccles, near Manchester, during the 
year 1866,” by Thomas Mackereth, F.R.A.S., F.M.S. 
January 81st, 1867. — “ Observation of the Occultation of Alde- 
baran, January 16th, 1867, at Mr. Worthington’s Observatory,” 
by Joseph Baxendell, F.R.A.S. 
January 31s£, 1867. — “ Observation of the Occultation of Alde- 
baran, January 16th, 1867,” by Alfred Brothers, F.R.A.S. 
January 31s£, 1867. — “On the Elements of the Variable Star 
R Persei,” by Joseph Baxendell, F.R.A.S. 
January 31s£, 1867. — “On the Variable Star R Vulpeculee,” by 
George Knott, F.R.A.S. 
February 5th, 1867. — “On Barometric Waves,” by Sir J. F. W. 
Hersehel, Bart., M.A., F.R.S., &c., Honorary Member of the 
Society. 
February 10th, 1867. — “On Siemen’s and Wheatstone’s Magneto- 
electric Machines,” by Mr. Henry Wilde. 
February 19 th, 1867. — “ On the Origination of the System of 
Issuing Storm Warnings,” by Mr. T. H. Babington. 
February 19 th, 1867. — “On the Casting, Grinding, and Polishing 
of Specula for Reflecting Telescopes (Part HI.),” by James Na- 
smyth, C.E., Corresponding Member of the Society. 
