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Constants ;—Edward Woods, Report on Railway Constants ;—Report of a Committee on the 
Construction of a Constant Indicator for Steam-Engines. 
Together with the Transactions of the Sections, Prof. Whewell’s Address, and Recommen- 
dations of the Association and its Committees. 
PROCEEDINGS or tuzr TWELFTH MEETING, at Manchester, 
1842, 7s. 
Contents :—Report of the Committee appointed to conduct the co-operation of the British 
Association in the System of Simultaneous Magnetical and Meteorological Observations ;— 
John Richardson, M.D., Report on the present state of the Ichthyology of, New Zealand ;— 
W. Snow Harris, Report on the Progress of the Meteorological Observations at Plymouth ;— 
Second Report of a Committee appointed to make Experiments on the Growth and Vitality of 
Seeds ;—C. Vignolles, Esq., Report of the Committee on Railway Sections ;—Report of the 
Committee for the Preservation of Animal and Vegetable Substances ;—Lyon Playfair, M.D., 
Abstract of Professor Liebig’s Report on ‘‘ Organic Chemistry applied to Physiology and Pa- 
thology ;” Richard Owen, Esq., Report on the British Fossil Mammalia, Part I. ;—Robert 
Hunt, Researches on the Influence of Light on the Germination of Seeds and the Growth of 
Plants ;—Louis Agassiz, Report on the Fossil Fishes of the Devonian System or Old Red Sand- 
stone ;— William Fairbairn, Esq., Appendix to a Report on the Strength and other Properties 
of Cast Iron obtained from the Hot and Cold Blast ;—David Milne, Esq., Report of the Com- 
mittee appointed at the Meeting of the British Association held at Plymouth in 1841, for re- 
gistering Shocks of Earthquakes in Great Britain ;—Report of a Committee appointed at the 
Tenth Meeting of the Association for the Construction of a Constant Indicator for Steam-En- 
gines, and for the determination of the Velocity of the Piston of the Self-acting Engine at 
different periods of the Stroke ;—J. S. Russell, Report of a Committee on the Form of Ships ; 
—Report of a Committee appointed “ to consider of the rules by which the Nomenclature of 
Zoology may be established on a uniform and permanent basis” ;—Report of a Committee on 
the Vital Statistics of large Towns in Scotland ;—Provisional Reports, and Notices of Progress 
in Special Researches entrusted to Committees and Individuals. 
Together with the Transactions of the Sections, Lord Francis Egerton’s Address, and Re- 
commendations of the Association and its Committees. 
PROCEEDINGS or tue THIRTEENTH MEETING, at Cork, 
1843, 8s. 
Contents :—Robert Mallet, Esq., Third Report upon the Action of Air and Water, 
whether fresh or salt, clear or foul, and of various Temperatures, upon Cast Iron, Wrought 
Iron and Steel ;—Report of the Committee appointed to conduct the co-operation of the 
British Association in the System of Simultaneous Magnetical and Meteorological Observa- 
tions ;—Sir J. F. W. Herschel, Bart., Report of the Committee appointed for the Reduction 
of Meteorological Observations ;—Report of the Committee appointed for Experiments on 
Steam-engines ;—Report of the Committee appointed to continue their Experiments on the 
Vitality of Seeds;—J. S. Russell, Esq., Report of a Series of Observations on the Tides of the. 
Frith of Forth and the East Coast of Scotland ;—J. S. Russell, Esq., Notice of a Report of the 
Committee on the Form of Ships ;—J. Blake, Esq., Report on the Physiological Action of Me- 
dicines ;—Report of the Committee appointed to print and circulate a Report on Zoological 
Nomenclature ;—Report of the Committee appointed in 1842, for registering the Shocks of 
Earthquakes, and making such Meteorological Observations as may appear to them desirable ; 
—Report of the Committee for conducting Experiments with Captive Balloons ;—Professor 
Wheatstone, Appendix to the Report;—Report of the Committee for the Translation and 
Publication of Foreign Scientific Memoirs ;—C. W. Peach, on the Habits of the Marine Tes- 
tacea ;—Edward Forbes, Esq., Report on the Mollusca and Radiata of the Aigean Sea, and 
on their distribution, considered as bearing on Geology ;—M. Agassiz, Synoptical Table of 
British Fossil Fishes, arranged in the Order of the Geological Formations ;—Richard Owen, 
Esq., Report on the British Fossil Mammalia, Part II.;—E. W. Binney, Report on the ex- 
cavation made at the junction of the Lower New Red Sandstone with the Coal Measures at 
Collyhurst, near Manchester ;—W. Thompson, Esq., Report on the Fauna of Ireland: Div. 
Invertebrata ;—Provisional Reports, and Notices of Progress in Special Researches entrusted 
to Committees and Individuals. 
Together with the Transactions of the Sections, Earl of Rosse’s Address, and Recommen- 
dations of the Association and its Committees. 
PROCEEDINGS or tHe FOURTEENTH MEETING, at York, 1844, 
20s. 
Contents :—W. Carpenter, M.D. F.R.S., on the Microscopic Structure of Shells ;—Joshua 
Alder and Albany Hancock, Report on the British Nudibranchiate Mollusca ;—Robert Hunt, 
