BRITISH ASSOCIATION FOR THE ADVANCEMENT 



OF SCIENCE. 



The Published Reports of Proceedings at the Meetings of the Association 

 may be obtained by Members on application to Messrs. Taylor & Francis, 

 Printing Office, Red Lion Court Fleet Street, London, E.G., at the following 

 prices, viz. — Reports for 1 849-68, at two-thirds of the Publication Price; and 

 ibr the purpose of completing their sets, any of the first seventeen volumes, 

 of which more than 100 copies remain, at one-third of the Publication Price. 



Associates for the Meeting in 1868 may obtain the Volume for the Year at the same price 



as Members. 



PROCEEDINGS of the FIRST and SECOND MEETINGS, at York, 

 and Oxford, 1831 and 1832, Published at 13«. 6rf. 



Contents : — Prof. Airy, on the Progress of Astronomy ; — J. W. Lubbocli, on tlie Tides ; 

 — Prof. Forbes, on the Present State of Meteorology ; — Prof. Powell, on the Present State 

 of the Science of Radiant Heat; — Prof. Gumming, on Thermo-Electricity ; — Sir D. Brewster, 

 on the Progress of Optics ; — Rev. W. Wliewell, on the Present State of Mineralogy ; — Rev. 

 W. D. Conybeare, on the Recent Progress and Present State of Geology ; — Dr. Prichard's 

 Review of Philological and Physical Researches. 



Together with Papers on Mathematics, Optics, Acoustics, Magnetism, Electricity, Chemistry, 

 Meteorology, Geography, Geology, Zoology, Anatomy, Physiology, Botany, and the Arts ; 

 and an Exposition of the Objects and Plan of the Association, &c. 



PROCEEDINGS of the THIRD MEETING, at Cambridge, 1833, 

 Published at 1 2s. 



Contents : — Proceedings of the Meeting ; — John Taylor, on Mineral Veins ; — Dr. 

 Lindley, on the Philosophy of Botany ; — Dr. Henry, on the Physiology of the Nervous Sys- 

 tem ; — P. Barlow, on the Strength of Materials ; — S. H. Christie, on the Magnetism of the 

 Earth; — Rev. J. Challis, on the Analytical Theory of Hydroi^tatics and Hydrodynamics; — 

 G. Rennie, on Hydraulics as a Branch of Engineering, Part I. ; — Rev. G. Peacock, on certain 

 Branches of Analysis. 



Together with papers on Mathematics and Physics, Philosophical Instruments and Mecha- 

 nical Arts, Natural History, Anatomy, Physiology, and History of Science. 



PROCEEDINGS of the FOURTH MEETING, at Edinburgh, 1834, 

 Published at \5s. 



Contents : — H. G. Rogers, on the Geology of North America ;— Dr. C. Henry, on the 

 Laws of Contagion ; — Prof. Clark, on Animal Physiology; — Rev. L. Jenyns, on Zoology; — 



