HEER'S GEOLOGY OF SWITZERLAND. 



In Two Volumes, 8vo, with a Geologically Coloured Map, 19 full-paged Plates 

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THE PRIMEVAL WORLD OF SWITZERLAND. 



By Professor OSWALD HEER, 



of the University of Zurich. 



Edited by JAMES HEYWOOD, M.A., F.R.S., 



President of the Statistical Society. 



London : Longmans and Co. 



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LESSONS IN ELECTRICITY 



at the Royal Institution, 1875-76. 



By JOHN TYNDALL, D.C.L., LL.D., F.R.S., 



Professor of Natural Philosophy in the Royal Institution of Great Britain. 



London : Longmans and Co. 



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THE VOCABULARYOF PHILOSOPHY: MENTAL, MORAL, AND 

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With Quotations and References for the Use of Students. 



By WILLIAM FLEMING, D.D., 



Late Professor of Moral Philosophy in the University of Glasgow. 



THE THIRD EDITION, ENLARGED, 

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Professor of Moral Philosophy in the University of Edinburgh. 



London : Charles Griffin and Co., 10 Stationers' Hall-court. 



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A TREATISE ON THE TRISECTION OF AN ANGLE OF THIRTY 

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By BERNARD TLNDAL BOSANQUET. 



London : Effingham Wilson, Royal Exchange. 



Now ready, price 25s. 

 REPORT OF THE FORTY-FIFTH MEETING OF THE BRITISH 

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Held at Bristol, 1875. 



John Mubray, Albemarle Street. 

 [ADVERTISEMENTS continued on 3rd page of Covir. 



