741 



Vitality of Seeds ; — Robert Hunt, 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, 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 Recommendations of the Association and its Committees. 



PROCEEDINGS op 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 ; — Rev. 

 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 Rain-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. 



PROCEEDINGS of the TWENTY- SIXTH MEETING, at Chel- 

 tenham, 1856, Pioblished at 18s. 



Contents: — Report from the Committee appointed to investigate and report 

 upon the effects produced upon the Channels of the Mersey by the alterations which 

 within the last fifty years have been made in its Banks ; — J. Thomson, Interim 



Report on progress in Researches on the Measurement of Water by Weir Boards ; 



Dredging Report, Frith of Clyde, 1856;— Rev. B. Powell, Report on Observations of 

 Luminous Meteors, 1855-1856 ; — Prof. Bunsen and Dr. H. E. Roscoe, Photochemical 

 Researches ; — Rev. James Booth, on the Trigonometry of the Parabola, and the 

 Geometrical Origin of Logarithms; — R. MacAndrew, Report on the Marine 

 Testaceous Mollusca of the North-east Atlantic and neighbouring Seas, and the 

 physical conditions affecting their development ; — P. P. Carpenter, Report on the 

 present state of our knowledge with regard to the Mollusca of the West Coast of 



