Tl 



Researclies on Sea Water; — A. Erman, on tlie Calculation of tlie Gaussian Constants for 

 1829; — G. 11. Porter, on the Progress, present Amount, and probable future Condition of the 

 Iron Manufacture in Great Britain ; — W. R. Birt, Third Report on Atmospheric Waves; — 

 Prof. Owen, Report on the Archetype and Homologies of the Vertebrate Slcelelon ; — 

 J. Phillips, on Aneuiometry; — J. Percy, M.D,, Report on the Crystalline Flags; — Addenda 

 to Mr. Bin's Report on Atmospheric Waves. 



Together with the Transactions of the Sections, Sir R. I. Murchison's Address, and Re- 

 commendations of the Association ami its Committees. 



PROCEEDINGS of the SEVENTEENTH MEETING, at Oxford, 

 1847, Puhlished at 18s. 



Contents: — Prof. Langberg, on the Specific Gravity of Sulphuric Acid at different de- 

 grees of dilution, and on the relation which exists between the Development of Heat and the 

 coincident contraction of Volume in Sulphuric Acid when mixed with Water; — Iv. Hunt, 

 Researclies on the Inflnence of the Solar Rays on the Growth of Plants; — R. Mallet, on 

 the Facts of Earthquake Phenomena; — Prof. Nilsson, on the Primitive Inhabitants of .Scan- 

 dinavia; — W. Hopkins, Report on the Geological Theories of Elevation and Eartlupiakes ; 

 — Dr. W. B. Carpenter, Report on the Microscopic Structure of Shells ; — Rev. W.Whewell and 

 Sir James C. Ross, Report upon the Recommendation of an Expedition for the purpose of 

 completing our knowledge of the Tides; — Dr. Schunck, on Colouring Matters; — Seventh Re- 

 port of the Committee on the Vitality of Seeds; — J. Glynn, on the Turbine or Horizontal 

 Water-Wheel of France and Germany; — Dr. R. G. Latham, on the present state and recent 

 progress of Ethnograpliical Pliilology ; — Dr. J. C. Prichard, on the various methods of Research 

 which contribute to the Advancement o'' Ethnology, and of the relations of that Science to 

 other branches of Knowledge ;— Dr. C. C. J. Bunscn, on the results of the recent Egyptian 

 researclies in reference to Asiatic and African Ethnology, and the Classification of Languages ; 

 — Dr. C. Meyer, on the Importance of the Study of the Celtic Language as exhibited by the 

 Modern Celtic Dialecis still extant; — Dr. Max Miiller, on the Relation of the Bengali to the 

 Arian and Aboriginal Languages of India; — W. R. Birt, Fourth Report on Atnios|)heric 

 Waves; — Prof W. H. Dove, Temperature Tables, with Introductory Remarks by Lieut. -Col. 

 -E. Sabine ; — k. Erman and H. Petersen, Third Report on the Calculation of the Gaussian Con- 

 stants for 1S29. 



Together with the Transactions of the Sections, Sir Robert Harry Inglis's Address, and 

 Recommendations of the Association and its Committees. 



PROCEEDINGS of the EIGHTEENTH MEETING, at Swansea, 

 1 S^S, Published at 9s. 



Contents: — Rev. Prof. Powell, A Catalogue of Observations of Luminous Meteors; — 

 J. Glynn on Water-pressure Engines ; — R. A. Smith, on the Air and Water of Towns ; — Eighth 

 Report of Committee on the Growth and Vitality of Seeds; — W. R. Birt, Fifth Report on At- 

 mospheric Waves ; — E. Schunck, on Colouring Matters; — J. P. Budd, on the advantageous use 

 made of the gaseous escape from the Blast Furnaces at the Ystalyfcra Iron Works; — R. Hunt, 

 P»epoit of progress in the investigation of the Action of Carbonic Acid on the Growth of 

 Plants allied to those of the Coal Formations;. — Prof H. W. Dove, Supplement to the Te-n- 

 perature Tables printed in the Report of the British Association for 1847 ; — Remarks by Proi'. 

 Dove on his recently constructed Maps of the Monthly Isothermal Lines of the Globe, and on 

 some of the principal Conclusions in regard to Climatology deduclble from them; with an in- 

 troductory Notice by Lt.-Col. E. Sabine; — Dr. Daubeny, on the progress of tlie investigation 

 on the Influence of Carbonic Acid on the Growtli of Ferns; — J. Phillips, Notice of further 

 progress in Anemometrical Researches; — Mr. Mallet's Letter to the Assistant-General Secre- 

 tary ; — A. Erman, Second Report on the Gaussian Constants ; — Report of a Committee 

 relativo to the expediency of recommending the continuance of the Toronto Magnetical and 

 Meteorological Observatory until December 1850. 



Together with the Transactions of the Sections, the Marquis of Northampton's Address, 

 and Recvmniendations of the Association and its Committees. 



PROCEEDINGS of the NINETEENTH MEETING, at Birmingliatrr, 

 1849, Publishtdat 10s. 



Contents : — Rev. Prof. Powell, A Catalogue of Observations of Luminous Meteors ; — Earl 

 of Rosse, Notice of Nebulce lately observed in the Six-feet Reflector; — Prof. Daubeny, on tlie 

 Influence of Carbonic Acid Gas on the health of Plants, especially of those allied to the I'o-sil 

 Remains found in the Coal Formation ; — Dr. Andrews, Report on the Heat of Combination ; 

 — Report of tiie Committee on the Registration of the Periodic Phenomena of Plants and 



