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and also for determining the Height above the Level of the Sea, &c. of intermediate points passed over between Sheerness and London Bridge. By John Augustus Lloyd, Esq. F.R.S	page 30
Description of a Graphical Register of Tides and Winds. By Henry R. Palmer, Civil Engineer	33
Proposed Plan for supplying filtered Water to the Metropolis and its Suburbs. By Lemuel Wellman Wright, Esq., Civil Engineer.	36
On the Variable Intensity of Terrestrial Magnetism, and the Influence of the Aurora Borealis upon it. By Robert Were Fox	37
Description of a Mountain Barometer, the column of which is divisible into two portions for safer and more convenient transport. By Mr. Thomas Charles Robinson	40
An account of further experiments tried at Chatham, for the purpose of obtaining an artificial Water Cement. By Brevet-Colonel C. W. Pasley, of the Corps of Royal Engineers, F.R.S, and Honorary Member of the Institution of Civil Engineers	40
On the Meteorological Observations made at the Apartments of the Royal Society, during the Years 1827, 1828, and 1829. By J. W. Lubbock, Esq. V.P. and Treasurer of the Royal Society	42
On the Errors in the Course of Vessels occasioned by local attraction, with some remarks on the recent loss of His Majesty's ship Thetis. By Peter Barlow, Esq. F.R.S. &c	43
On the Anatomy and Physiology of the Minute and Capillary Vessels. By Marshall Hall, M.D	45
On the effect of Water, raised to Temperatures moderately higher than that of the Atmosphere, upon Batrachian Reptiles. By Marshall Hall, M.D. &c	47
Account of a new mode of propelling Vessels. By Mr. Wm. Hale.	48
Additional thoughts on the use of the Ganglions in furnishing Electricity for the production of Animal Secretions. By Sir Everard Home, Bart. F.R.S	48
On a peculiar class of Acoustical Figures ; and on certain forms assumed by groups of particles upon vibrating elastic surfaces. By Michael Faraday, Esq. F.R.S. M.R.I. Corresponding Member of the Royal Academy of Sciences of Paris, &c	49
A Table facilitating the Computations relative to Suspension Bridges. By Davies Gilbert, Esq. V.P.R.S	51
Researches in Physical Astronomy. By J. W. Lubbock, Esq. V.P. and Treasurer of the Royal Society	52
An Account of the Construction and Verification of the Imperial Standard Yard for the Royal Society. By Captain Henry Kater, F.R.S.	52
An Experimental Examination of the Blood found in the Vena Porta?. By James Thackeray, M.D.	53
On the Caves and Fissures in the Western District of the Mendip Hills. By the Rev. David Williams, A.M. F.G.S. Rector of the parishes of Bleadon and Kingston-Seam oor, in the County of Somerset	55
Researches in Physical Astronomy. By J. W. Lubbock, Esq. V.P. and Treasurer of the Royal Society,	59