PROCEEDINGS of the TWENTY-THIRD MEETING, at Hull, 



1853, Ptcblished at lOs. 6d. 



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

 —James Oldham, on the Physical 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 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 CEconomy 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, M.D., 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 Phaenomena (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, 1854, Published at 18*. 



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, 1853-54; 

 ^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. 



