a Committee on the Preseivalion of Vegetative Powers in Seeds;— Dr. Hodgkin, on Inquiries 

 into the Races of Man ; — Report of tlie Committee appointed to report how far the Desiderata 

 in our Icnowledge of the Condition of the Upper Strata of tlie Atmosphere may be supplied by 

 means of Ascents in Balloons or otherwise, to ascertain the probable expense of such Experi- 

 ments, and to draw up Directions for Observers in sucli circumstances; — U. Owen, Report 

 on British Fossil Reptiles ; — Reports on the Determination of the Mean Value of Railway 

 Constants; — D. Lardner, LL.D., Second and concluding Report on the Determination of the 

 Mean Value of Railway Constants ; — E. 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 of the TWELFTH MEETING, at Manchester, 

 1842, Published at 10s. 6rf. 



Contents :— Report of the Committee appointed to conduct the cooperation of the British 

 Association in the System of Simultaneous Magnetical and Meteorological Observations ; — 

 J. Richardson, M.D., Report on the present State of the Ichtliyology of New Zealand;-— 

 W. S. Harris, Report on the Progress of Meteorological Observations at Plymouth ; — Second 

 Report of a Committee appointed to make Experiments on tlie Growth and Vitality of Seeds; 

 "- C. Vignoles, 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 Prof. Liebig's Report on "Organic Chemistry applied to Physiology and Pathology;" — 

 R. Owen, Report on the British Fossil Mammalia, Part I. ; — R. Hunt, Researches on the 

 Influence of Light on the Germination of Seeds and the Growth of Plants; — L. Agassiz, Report 

 on the Fossil Fishes of the Devonian System or Old Red Sandstone ; — W. Fairbairn, Ap- 

 pendix to a Report on the Strength and other Properties of Cast Iron obtained from the Hot 

 and Cold Blast; — D. Milne, Report of the Committee for registering Shocks of Earthquakes 

 in Great Britain ; — Report of a Committee on the Construction of a Constant Indicator for Steam- 

 Engines, and for tbe 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 Committte 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 witli the Transactions of the Sections, Lord Francis Egerton's Address, and Re- 

 commendations of the Association and its Committees. 



PROCEEDINGS of the THIRTEENTH MEETING, at Cork, 

 IMS, Published at 12s. 



Contents: — Robert Mallet, 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 As- 

 sociation in the System of Simultaneous Magnetical and Meteorological Observations ; — Sir 

 J. F. W. Herschel, Bart., Report of the Committee appointed for the Reduction of Meteoro- 

 logical 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, Report of a Series of Observations on tlie Tides of the Frith of 

 Forth and the East Coast of Scotland; — J. S. Russell, Notice of a Report of the Committee 

 on the Form of Ships ; — J. Blake, Report on the Physiological Action of Medicines ; — Report 

 of the Committee on Zoological Nomenclature ; — Report of the Committee 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 ; 

 — Prof. Wheatstone, Appendix to tbe Report ; — Report of the Committee for the Translation 

 and Publication of Foreign Scientific Memoirs; — C. W. Peach, on the Habits of the Marine 

 Testacea ; — E. Forbes, Report on the Mollusca and Radiata of the .lEgean Sea, and on their 

 distribution, considered as bearing on Geology; — L. Agassiz, Synoptical Table of British 

 Fossil Fishes, arranged in the order of the Geological Formations; — R. Owen, Report on the 

 British Fossil Mammalia, Part II.; — E. W. Binney, Report on the excavation made at the 

 junction of the Lower New Red Sandstone with Vhe Coal Measures at CoUyhurst; — W. 

 Thompson, Report on the Fauna of Ireland : Div. Invcrtehrata ; — 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, 



J 



