172 
November 2nd , 1869. — “On a New Chromium Oxychloride,” by 
T. E. Thorpe, Ph.D., communicated by Professor H. E. Roscoe, 
F.R.S. 
November 1 6th, 1869. — “On the Permian Strata of East 
Cheshire,” by E. W. Binney, F.R.S., F.G.S. 
“ On the Combinations of Phosphate of Lime and Sulphurous 
Acid,” by Dr. B. W. Gerland, communicated by Professor H. E. 
Roscoe, F.R.S. 
November 36th, 1869. — “On the Microscopical Examination of 
Milk under certain conditions,” by J. B. Dancer, F.R.A.S. 
December 7 th, 1869. — “On the Mean Monthly Temperature at 
Old Trafford, Manchester, 1861 to 1868, and also the Mean for 
the twenty years 1849 to 1868,” by G. V. Vernon, F.R.A.S., F.M.S. 
December 14 th, 1869. — “On the Hades, Throws, Shifts, &c. ; of 
the Metalliferous Veins of the North of England,” by Mr. John 
Currey, communicated by E. W. Binney, F.R.S., F.G.S. 
December 28th, 1869. — “On Pollen; considered as an Aid in 
the Differentiation of Species,” by Mr. Charles Bailey. 
January 3rd, 1870. — “Notes on the pupa and imago of 
Acherontia atropus ,” by Mr. Joseph Sidebotham. 
January 4 th, 1870. — “ On the Rainfall of 1869, at Old Trafford, 
Manchester,” by G. V. Vernon, F.R.A.S., F.M.S. 
January 2 5th, 1870. — “ On Organic Matter in the Air,” by Dr. 
R. Angus Smith, F.R.S. 
“ On the so-called Molecular Movements of Microscopic Par- 
ticles,” by Professor Wm. Stanley Jevons, M.A. 
“ On a General System of Numerically Definite Reasoning,” by 
Professor Wm. Stanley Jevons, M.A. 
February 8 th, 1870. — “On Convertant Functions,” by Sir James 
Cockle, F.R.S., communicated by the Rev. Professor R. Harley, 
F.R.S. 
“ On the Natural Ropes used in packing Cotton Bales in the 
Brazils,” by Mr. Charles Bailey. 
February 22nd, 1870. — “On Artificial Alizarine,” by Dr. F. 
Grace Calvert, F.R.S. 
“ On the Organic Matter of Human Breath in Health and 
Disease,” by Dr. Arthur Ransome, M.A. 
