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PROCEEDINGS of the TWENTY-THIRD MEETING, at Hull, 

 1853, Fuhlished at 10s. Q>d. 



Contents :— Rev. Prof. Powell, Report on Observations of Lixminous Meteors, 

 1852-53 ;— James Oldliam, on the Physical Featui-es of the Humber ;— James Old- 

 ham, on the Rise, Progress, and Present Position of Steam Navigation in Hull ;— 

 William Fairbairn, Experimental Researches to determine the Strength of Locomo- 

 tive Boilers, and the causes which lead to Explosion ;— J. J. Sylvester, Provisional 

 Report on the Theory of Determinants ;— Professor Hodges, M.D., Report on the 

 Gases evolved in Steeping Flax, and on the Composition and Economy of the Flax 

 Plant ;— Thirteenth Report of Committee on Experiments on the Growth and 

 Vitality of Seeds ;— Robert Himt, on the Chemical Action of the Solar Radiations ; 

 —Dr. John P, Bell, Observations on the Character and Measurements of Degrada- 

 tion of the Yorkshire Coast ;— First Report of Committee on the Physical Character 

 of the Moon's Surface, as compared with that of the Earth ;— R. Mallet, Provisional 

 Report on Earthquake Wave-Transits ; and on Seismometrical Instruments ;- - 

 William Fairbairn, on the Mechanical Properties of Metals as derived from repeated 

 Meltings, exhibiting the maximum point of strength and the causes of deterioration ; 

 — Robert Mallet, Third Report on the Facts of Earthquake Phenomena (continued). 



Together with the Transactions of the Sections, Mr. Hopkins's Address, and 

 Recommendations of the Association and its Committees. 



PROCEEDINGS of the TWENTY-FOURTH MEETING, at Liver- 

 pool, 1854, Published at 18s. 



Contents :— R. Mallet, Third Report on the Facts of Earthquake Phenomena 

 (continued) ;— Major-General Chesney, on the Construction and General Use of 

 Efficient Life-Boats ;— Rev. Prof. Powell, Third Report on the present State of our 

 Knowledge of Radiant Heat ;— Colonel Sabine, on some of the results obtained at 

 the British Colonial Magnetic Observatories ;— Colonel Portlock, Report of the 

 Committee on Earthquakes, with their proceedings respecting Seismometers ;— Dr. 

 Gladstone, on the Influence of the Solar Radiations on the Vital Powers of Plants, 

 Part 2 ;— Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1833-54 ; 

 — Second Report of the Committee on the Physical Character of the Moon's Surface ; 

 — W. G. Armstrong, on the Application of Water-Pressure Machinery ;— J. B. Lawes 

 and Dr. Gilbert, on the Equivalency of Starch and Sugar in Food ;— Archibald 

 Smith, on the Deviations of the Compass in Wooden and Iron Ships ;— Fourteenth 

 Report of Committee on Experiments on the Growth and Vitality of Seeds. 



Together with the Transactions of the Sections, the Earl of Harrowby's Address, 

 and Recommendations of the Association and its Committees. 



PROCEEDINGS of the TWENTY-FIFTH MEETING, at Glasgow, 

 1855, Published at 15s. 



Contents:— T. Dobson, Report on the Relation between Explosions in Coal- 

 Mines and Revolving Storms ; — Dr. Gladstone, on the Influence of the Solar Radia- 

 tions on the Vital Powers of Plants growing under different Atmospheric Conditions, 

 Part 3;— C. Spence Bate, on the British Edriophthalma ;— J. F. Bateman, on the 

 present state of our knowledge on the Supply of Water to Towns ; — Fifteenth 

 Report of Committee on Experiments on the Growth and Vitality of Seeds ; — Re\-. 

 Prof. Powell, Report on Observations of Luminous Meteors, 1854-55 ; — Report of 

 Committee appointed to inquire into the best means of ascertaining those properties 

 of Metals and effects of various modes of treating them which are of importance 

 to the durability and efficiency of Artillery ; — Rev. Prof. Henslow, Report on Typical 

 Objects in Natural History ;— A. Follett Osier, Account of the Self -registering 

 Anemometer and Kain-Gauge at the Liverpool Observatory ; — Provisional Reports. 



Together with the Transactions of the Sections, the Duke of Argyll's Address, 

 and Recommendations of the Association and its Committees. 



