20 GENERAL & SCIENTIFIC BOOKS published by Messrs. LONGMANS & CO. 



Text-Books of Science : a Series 



of Elementary Works on Science, 

 adapted for the use of Students in Public 

 and Science Schools. Fcp, 8vo. fully 

 illustrated with Woodcuts. See p. 23. 



Thomson's Conspectus.— Adapted 



to the British Pharmacopoeia of 1885. 

 Edited by Nestor Tirard, M.D. Lond. 

 r.R.C.P. New Edition, with an Ap- 

 pendix containing notices of some of the 

 more important non-official medicines 

 and preparations. iSmo. ds. 



Thomson. — An Outline of the 

 Necessary Laws of Thought; a 

 Treatise on Pure and Applied Logic. By 

 W. Thomson, D.D. Archbishop of 

 York. Crown 8vo. 6s. 



Three in Norway. By Two of 



Them. With a Map and 59 Illustra- 

 tions on Wood from Sketches by the 

 Authors. Crown 8vo. 6s. 



Trevelyan. — Works by the Right 

 Hon. Sir G. O. Trevelyan, Bart. 



The Life and Letters of Lord 

 Macau LAY. 



Library Edition, 2 vols. 8vo. 365. 



Cabinet Edition, 2 vols, crown 8vo. 

 1 2 J. 



Popular Edition, i vol. crown 8vo. 

 6j. 



The Early History of Charles 

 James Fox. Library Edition, Svo. i8j. 

 Cabinet Edition, crown Svo. 6^. 



Trollope. — Novels by Anthony 

 Trollops. Fcp. 8vo. \s. each, boards; 

 \s. 6d. cloth. 



The Warden. 

 Barchester Towers. 



Twiss. — Works by Sir 

 Tiviss. 



Tra vers 



The Rights and Duties of Na- 

 tions, considered as Independent Com- 

 munities in Time of War. 8vo. 2ij-. 



The Rights and Duties of 

 Nations in Time of Peace. Svo. 

 15^. 



Tyndall. — Works by John Tyn- 



DALL, F.R.S. dr'C. 



Fragments of Science. 

 crown Svo. 16s. 



2 vols. 



Hea t a Mode of Motion. Crown 

 Svo. 'js.6d. 



Sound. With 204 Woodcuts. 

 Crown Svo. \os. 6d. 



Essays on the Floating-Matter 

 OF the Air in relation to Putrefaction 

 and Infection. With 24 Woodcuts. 

 Crown Svo. 7^. 6d. 



Lectures on Light, delivered in 

 America in 1872 and 1S73. With 57 

 Diagrams. Crown Svo. 5^'. 



Lessons in Electricity at the 

 Royal Institution, 1875-76. With 

 58 Woodcuts. Crown Svo. 2s. 6d. 



Notes of a Course of Seven 

 Lectures on Electrical Pheno- 

 mena and Theories, delivered at the 

 Royal Institution. Crown Svo. is. sewed, 

 is. 6d, cloth. 



Notes of a Course of Nine Lec- 

 tures on Light, delivered at the Royal 

 Institution. Crown Svo. \s. sewed, \s. 6d. 

 cloth. 



Faraday as a Discoverer. Fcp. 

 8vo. 3^. 6d, 



Ure. — ^ Dictionary of Arts, 

 Manufactures, and Mines. By Dr. 

 Ure, Seventh Edition, re-written and 

 enlarged by R. Hunt, F.R.S, With 

 2,064 Woodcuts. 4 vols, medium Svo. 

 £.1- is- 



Verney. — Chess Eccentricities. 

 Including Four-handed Chess, Chess for 

 Three, Six, or Eight Players, Round 

 Chess for Two, Three, or Four Players, 

 and several different ways of Playing 

 Chess for Two Players. By Major George 

 Hope Verney. Crown Svo. 10s. 6d. 



Ville. — On Artificial Manures, 



their Chemical Selection and Scientific 

 Application to Agriculture. By Georges 

 Ville. Translated and edited by W. 

 Crookes, F.R.S. With 31 Plates. 

 Svo. 2IS. 



