ENCYCLOP/EDIA BRITANNICA. 



EIGHTH EDITION. 



PRINCIPAL SUBJECTS. 



VOLUME I. 

 DISSERTATION FIRST. — On the Progress of Metaphysical and 



Ethical Philosophy, since the Revival of Letters in Europe. By Dugald Stewart, 

 late Professor of Moral Philosophy in the University of Edinburgh. 



DISSERTATION SECOND.— On the Progress of Ethical Philosophy, 



chiefly during the Seventeenth and Eighteenth Centuries. By Sir James Mackintosh, 

 LLlD. With a Preface by William Whkwell, D.D. 



DISSERTATION THIRD.— On the Pise, Progress, and Corruptions 

 of Christianity. By Richard Whately, D.D., Archbishop of Dublin. 



DISSERTATION FOURTH.— On the Progress of Mathematical and 



Physical Science since the Revival of Letters in Europe. By Sir John Playfair, 

 late Professor of Natural Philosophy in the University of Edinburgh. 



DISSERTATION FIFTH. — On the Progress of Mathematical and 



Physical Science, chiefly during the Eighteenth Century. By Sir John Leslie, late 

 Professor of Natural Philosophy in the University of Edinburgh. 



DISSERTATION SIXTH. — On the Progress of Mathematical and 

 Physical Science during the Nineteenth Century. By James D. Forbes, Professor 

 of Natural Philosophy in the University of Edinburgh. 



VOLUME II. 



ABERRATION & ACOUSTICS. By George Buchanan, F.R.S.E. 



ACHROMATIC GLASSES and AERONAUTICS. By Sir John 

 Leslie. 



ADMIRAL and ADMIRALTY. By Sir John Barrow, Bart. 



Revised by John Barrow, Admiralty. 



ADDISON (JOSEPH). By William Spalding, A.M., Professor 



of Logic in the University of St. Andrews. 



AESCHYLUS. By J. S. Blackie, Professor of Greek in the Uni- 

 versity of Edinburgh. 

 iETNA and ALPS. By Robert Jameson, late Professor of Natural 



History in the University of Edinburgh. 



AFGHANISTAN. By David Buchanan and Edward Thornton, 



East India House. 



AFRICA. By Augustus Petermann, F.R.G.S. 

 AGRICULTURE. By J. Wilson, Eddlngton Mains, Berwickshire. 

 AGRICULTURAL CHEMISTRY. By Thomas Anderson, M.D., 



Professor of Chemistry in the University of Glasgow. 



AGRARIAN LAWS. By George Ferguson, Professor of Huma- 

 nity, King's College, Aberdeen. 



