BRITISH ASSOCIATION FOR THE ADVANCEMENT 



OF SCIENCE. 



Life Members (since 1845), and all Annual Members who liave not 

 intermitted their Subscription, receive gratis all Ueports published after 

 the date of their Membership. Any other volume they require may be 

 obtained on application at the Office of the Association, 22 Albemarle 

 Street, Piccadilly, London, AV., at the followiug prices, viz. — Eeports for 

 1849-68, at two-thirds of the Publication Price ; and for 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 1871 may obtain the Volume for the Year at two-tbirds of 



the Publication Price. 



PROCEEDINGS of the FIRST and SECOND MEETINGS, at York 

 and Oxford, 1831 and 1832, Published at 13s. 6d. 



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

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

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

 on the Progress of Optics ; — Rev. W. Whewell, 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 12s. (Out of Print.) 



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 Hydrostatics 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 15s. 



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 ;— 



