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.C., at the following 
prices, viz.— Reports for 1 849-67, 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 1867 may obtain the Volume for the Year at the same price 
as Members. 
PROCEEDINGS or tHe FIRST anp SECOND MEETINGS, at York 
and Oxford, 1831 and i832, 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. Cumming, on Thermo-Hlectricity ;—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 or tue THIRD MEETING, at Cambridge, 1833, 
Published at 12s. 
ConTEeNTs :—Proceedings of the Meeting;—John ‘Taylor, on Mineral Veins ;—Dr. 
Lindley, on the Philosophy of Botany ;—Dr. Henry, on the Physiology of the Nervous Sy- 
stem ;—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 or true 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 ;—Rey. L. Jenyns, on Zoology ;— 
