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WORKS published by LONGMANS & CO.

Rocks Classified and De-scribed. By Bernhard Von Cotta. 'An English Translation, by P. II. jLawrence (with English, German, andFrench Synonymes), revised by the IAuthor. Post Svo. 14J.

The Geology of England

and Wales; a Concise Account ofthe Lithological Characters, LeadingFossils, and Economic Products of theRocks. By H. B. Woodward, F.G.S.Crown Svo. Map & Woodcuts, 14?.

Keller’s Lake Dwellings

of Switzerland, and other Parts ofEurope. Translated by John E. Lee,F.S.A. F.G.S. New Edition, en-larged, with 206 Illustrations. 2 vols.royal 8vo. 42s,

The Primaeval World of

Switzerland. By Professor OswalHeer, of the University of Zurich.Edited by James Heywood, M.A.F.R.S. With Map, 19 Plates, & 372Woodcuts. 2 vols. 8vo. 28 j\

The Puzzle of Life and

How it Has Been Put Together ; aShort History of Praehistoric Vegetableand Animal Life on the Earth. By A.Nicols, F.R.G S. With 12 Illustra-tions. Crown 8vo. 3s. 6d.

The Origin of Civilisa-tion, and the Primitive Condition ofMan ; Mental and Social Condition ofSavages. By Sir J. Lubbock, Bart.M.P. F.R.S. 8vo. Woodcuts, i8r.

The Ancient Stone Im-plements, Weapons, and Ornamentsof Great Britain. By John Evans,

F. R. S. With 2 Plates and 476 Wood-cuts. 8vo. 28 s.

A Dictionary of Science,

Literature, and Art. Re-edited bythe late W. T. Brande (the Author)and the Rev. SirG.W, Cox, Bart.,M.A.3 vols. medium 8vo. 6$s.

The History of Modern

Music, a Course of Lectures deliveredat the Royal Institution of 'GreatBritain. By John Hullah, LL.D,Svo. price Ss. hd.

Dr. Hullah’s 2d Course

of Lectures on the Transition Periodof Musical History, from the Beginningof the 17th to the Middle of the 18thCentury. 8vo. Ior. 6d.

Loudon’s Encyclopaedia

of Plants ; comprising the SpecificCharacter, Description, Culture, His-tory, &c. of all the Plants found inGreat Britain. With upwards of12,000 Woodcuts. * 8vo. 42s.

! De Caisne & Le Maout’s

System of Descriptive and Analy-tical Botany. Translated by Mrs.Hooker ; edited and arranged accord-ing to the English Botanical System, byJ. D. Hooker, M.D. With 5,500Woodcuts. Imperial 8vo. 3ir. 6 d.

Hand-Book of Hardy

Trees, Shrubs, and HerbaceousPlants; containing Descriptions &c.of the Best Species in Cultivation.With 720 Original Woodcut Illustra-tions. By W. B. Hkmsley. Medium8vo. 12 s.

The Rose Amateur’s

Guide. By Thomas Rivers. LatestEdition. Fcp. 8vo. 4r. 6 d.

CHEMISTRY and PHYSIOLOGY.

Miller’s Elements of Che-mistry, Theoretical and Practical.Re-edited, with Additions, by IL.Macleod, F.C.S. 3 vols. 8vo.

Part I. Chemical Physics, i 6s.Part II. Inorganic Chemistry, 24 s.Part III. Organic Chemistry, NewEdition in the press.

Animal Chemistry; or,

the Relations of Chemistry to Physiologyand Pathology: a Manual for MedicalMen and Scientific Chemists. ByCharles T. Kingzett, F.C.S, 8vo.price i8r.