CONTENTS. 
Report on the Statistics of Life-boats and Fishing-boats on the Coasts of 
Vv 
Page 
Report on Observations of Luminous Meteors, 1856-57. By the Rev. 
Bapven Powe tt, M.A., F.R.S., F.R.A.S., F.G.S., Savilian Professor 
of Geometry in the University of Oxford .........cccseceseseeeerecseeeeee 131 
On the Adaptation of Suspension Bridges to sustain the passage of 
Railway Trains. By C. ViGNOLES, C.E., F.R.S. ......scccecseseesereeee 154 
On Electro-Chemistry. By Professor W. A. Miter, M.D., F.R.S.... 158 
Results of Thermometrical Observations made at the ‘ Plover’s’ Winter- 
ing-place, Point Barrow, latitude 71° 21! N., long. 156° 17! W., in 
1852-54. By Joun Simpson, Esq., R.N., F.R.C.S., F.R.G.S., Sur- 
geon of H.M. “S. « Plover’ ( With a Plate) .. Sb dduas Rosey iat ue OO 
On the Algebraic Couple ; and on the Equivalents of Indeterminate 
Expressions. By CuHaries James Harcreave, LL.D., F.RS. ... 184 
Report on the Improvement of Telescope and Equatorial Mountings. By 
MUFIONG AS GRUBB Mek eloAs: SoCo siccdacecasscdccscverdocbes son cvccsevesesssse LOD 
_’ Report on the Experimental Plots in the Botanical Garden of the Royal 
Agricultural College at Cirencester. By James Bucxmay, F.L.S., 
F.A.S., F.G.S. &e., Professor of Geology and Botany, Lecturer on 
_ Geology, &c. at the Cheltenham Proprietary College .................. 200 
On the Resistance of Tubes to sy By Witttam FarrBairn, 
Report of the Rr alt of the Belfast be Committee. By 
Grorce C. HynpMAv... etre tee urn otusmesnasttons . 220 
On the Mechanical Effect of combining Girders and Suspension Chains, 
and a Comparison of the Weight of Metal in Ordinary and Suspension 
Girders, to produce equal deflections with a given load. By PETER 
MU GIUHE OW aE pEutD ale castes gieanecae deh ieorsecsidvesssccseccessccencdeceeesey 2OG 
Evidences of Lunar Influence on Temperature. By J. Park Harrison, 
Report on the Animal and Vegetable Products imported into Liverpool 
from the year 1851 to 1855 (inclusive) ..,..........ereo-deecceceoerresseoe 254 
the United Kingdom. By AnpREw HenpeRsoN, F.S.A. and A.LC.E. 308 
