160 
‘“Results of Meteorological Observations taken at Langdale, 
Dimbiila, Ceylon, during the years 1868 — 72,” by Edward Heelis, 
Esq. Communicated by Joseph Baxendell, F.R.A.S. 
October 21s^, 1873. — “On the Relative Work spent in Friction 
in giving Rotation to Shot from Guns rifled with an Increasing, 
and a Uniform^Twist,” by Professor Osborne Reynolds, M.A. 
November Uh, 1873. — “On the Bursting of Trees and Objects 
struck by Lightning,” by Professor Osborne Reynolds, M.A. 
“On some Roman and Celtic Antiquities,” by the Rev. W. N. 
Moles worth, M.A. 
“On Vitrified Forts,” by Dr. R. Angus Smith, F.R.S., V.P. 
November lO^A, 1873. — ‘‘Remarks upon the British locality for 
Lobelia urens,” by J. C. Melville, M.A., F.L.S. 
“On Lymexylon Navale,” by Joseph Sidebotham, F.R.A.S. 
November 1873 — “On the Bursting of Trees and Objects 
struck by Lightning,” by Professor Osborne Reynolds, M.A. 
“ On the Colour of Nankin Cotton,” by Edward Schunck, Ph.D., 
F.R.S., V.P. 
“ An Improved Method for preparing Marsh Gas,” by C. Schor- 
lemmer, F.R.S. 
December 2nd, 1873. — “On a Remarkable Thunderstorm at 
Brockham Green, Surrey, on the 7th November, 1873. 
December 1873.—“ On a Collection of Shells from the 
Worden Gravel Pit, near the Leyland Station, near Chorley,” by 
R. D. Darbishire, F.G.S. 
December 1873. — “ Method of Construction of a New 
Barometer,” by J. P. Joule, D.C.L., LL.D., F.R.S., &c., President. 
“On the Explosion of AVater,” by C. Piazza Smyth, F.R.S., 
Astronomer Roval of Scotland. 
V 
“On the Destruction of Sound by Fog and the Inertness of a 
Heterogeneous Fluid,” by Professor Osborne Reynolds, M.A. 
“ The Chemical Constitution of Bleaching Powder,” by C. 
Schorlemmer, F.R.S. 
December 30th, 1873. — “On the Rapid Growth of the Bar at 
the Entrance into the Queen’s Channel, Liverpool,” by E. AV 
Binney, F.R.S., F.G.S., A^.P. 
January 13^A, 1874. — “On Further Improvements in a 
