PROCEEDINGS of the TWENTY-THIRD MEETING, at Hull, 

 1853, Published at 10s. Gd. 



Contents : — Rev. Piof. Powell, Report on Observations of Luminous Meteors, 1852-53 ; 

 — James Oldham, on tlie Pliysical Features of the Humber; — James Oldham, on the Rise, 

 Progress, and Present Position of Steam Navigation in Hull; — William Fairbairn, Experi- 

 mental Researches to determine the Strength of Locomotive Boilers, and the causes v%'hich 

 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 CEconoray of the Flax Plant; — Thirteenth Report of Committee on Experiments on the 

 Growth and Vitality of Seeds ; — Robert Hunt, on the Chemical Action of the Solar Radiations; 

 — John P. Bell, ^LD., Observations on the Character and Measurements of Degradation of the 

 Yorkshire Coast; First Report of Committee on the Physical Character of the Moon's Sur- 

 face, 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 Earth- 

 quake Phsenomena (continued). 



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

 tions of the Association and its Committees. 



PROCEEDINGS of the TWENTY-FOURTH MEETING, at Liver- 

 pool, 1 854-, Published at 1 8s. 



Contents: — R. Mallet, Third Report on the Facts of Earthquake Phaenomena (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, 1S53-54; 

 — 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 Re- 

 commendations of the Association and its Committees. 



PROCEEDINGS of the TWENTY-FIFTH MEETING, at Glasgow, 

 1 855, Published at 1 5s. 



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

 Revolving Storms; — Dr. Gladstone, on the Influence of the Solar Radiations on the Vital Powers 

 of Plants growing imder 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 ; — Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1854-55 ; 

 —Report of Committee appointed to inquire into the best means of ascertaining those pro- 

 perties 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. FoUett Osier, Account of the Self-Registering Anemometer and Rain- 

 Gauge at the Liverpool Observatory ; — Provisional Reports. 



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

 mendations of the Association and its Committees. 



