Contents

Logarithms By the Rev JAMES BOOTH LL D F R S c
68
Report on the Marine Testaceous Mollusca of the Northeast Atlantic
101
Mr RICHARD BEAMISHS Statistics of Cheltenham
129
Report on the present state of our knowledge with regard to
159
Mr H BESSEMER on the Manufacture of Iron and Steel without Fuel
162
Abstract of First Report on the Oyster Beds and Oysters of the British
368
On the Stratigraphical Distribution of the Oolitic Echinodermata
396
Mercantile Steam Transport Economy By CHARLES ATHERTON
423
Professor HENNESSY on the Relative Distribution of Land and Water as affect
66
Professor OWEN on the Dichodon cuspidatus from the Upper Eocene of
72
C BABINGTON on a supposed Fossil Fucus found at Aust Cliff Glou
83
Professor G B KNOWLES on the Movements of Oscillatoriæ
90
Mr ALBANY HANCOCK on the Anatomy of the Brachiopoda
97
JENYNS on the Variation of Species 101
101
Professor BUCKMAN on some Antiques found at Cirencester as Evidence of
108
Mr JOHN LOCKE on a New Route to Indiathe SyroArabian Railway 114
114

On the Vital Powers of the Spongiada By J S BOWERBANK F R S
438
Report of a Committee consisting of Sir W JARDINE Bart
451
MATHEMATICS AND PHYSICS
1
Mr H R TwININGS Models to illustrate a New Method of teaching
9
Mr W SYMONS on a Modification of the Maynooth Cast Iron Battery
17
Mr RICHARD GREENES Working Model of a Machine for polishing Specula
24
Professor PIAZZI SMYTH on the Constancy of Solar Radiation
30
Mr WELSH on a Model of a SelfRegistering Anemometer Designed
38
PRITCHARD on a Meteor seen at Cheltenham on Friday August
47
Professor F CRACE CALVERT on the Incrustations of Blast Furnaces
51
Purposes
57
64
64
STATISTICS
122
Mr T BARWICK LLOYD BAKERs Statistics and Suggestions connected with
128
Mr SAMUEL BROWN on the Advantages to Statistical Science of a Uniform
133
Sir THOMAS PHILLIPPS on an instance of Instinct in a Caterpillar
138
Mr VINCENT SCULLYS Table showing the Population of Ireland at different
142
ROTHs Aphoristic Notes on Sanitary Statistics of Workhouses
149
71
150
West of Scotland 155
155
72
159
Mr W CLAY on the Manufacture of the large WroughtIron Gun and other
162
APPENDIX
172
122
185

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