%\t $ntaatt0tral Bnmti&t Series. 



MESSRS. HENRY S. KING & CO. have the pleasure to announce 

 that under this title they are issuing a Series of Popular Treatises, 

 embodying the results of the latest investigations in the various departments 

 of Science at present most prominently before the world. 



Although these Works are not specially designed for the instruction of 

 beginners, still, as they are intended to address the non-scientific public, they 

 will be, as far as possible, explanatory in character, and free from techni- 

 calities. The object of each author will be to bring his subject as near as 

 he can to the general reader. 



The volumes will all be crown 8vo. eize, well printed on good paper, 

 strongly and elegantly bound, and will sell in this country at a price not 

 exceeding Five Shillings. 



Hgg° Prospectuses of the Series may be had of tho Publishers, 



Already Published, 

 xxxix 



THE FORMS OF WATER IN RAIN AND RIVERS, 



ICE AND GLACIERS. By J. Tyndall, LL.D., F.R.S. With 26 

 Illustrations. Crown 8vo. 5s. 



' One of Professor Tyndall's best scientific treatises.' — Standard. 



' The most recent findings of science and experiment respecting the nature 

 and properties of water in every possible form, are discussed with remarkable 

 brevity, clearness, and fulness of exposition.' — Graphic. 



1 With the clearness and brilliancy of language which have won for him his 

 fame, he considers the subject of ice, snow, and the glaciers.' — Morning Post. 



'Before starting for Switzerland next summer every one should study "The 

 forms of water." ' — Globe. 



'Eloquent and instructive in an eminent degree.' — British Quarterly. 



XL 



PHYSICS AND POLITICS ; or, Thoughts on the Application 

 of the Principles of ' Natural Selection ' and ' Inheritance ' to Political 

 Society. By Walter Bagehot. Crown 8vo. 4s. 



' On the whole we can recommend the book as well deserving to be read by 

 thoughtful students of politics.' — Saturday Review. 



1 Able and ingenious.' — Spectator. 



' The book has been well thought out, and the writer speaks without fear.' — 

 National Reformer. 



' Contains many points of interest, both to the scientific man and to the mere 

 politician.' — Birmingham Daily Gazette. 



The Volumes now preparing are — 



XLI 



MIND AND BODY: The 



Theories of their Relations. By 

 Alexander Bain, LL.D., Professor 

 of Logic at the University of Aberdeen : 

 Illustrated. 



XLII 



PRINCIPLES OF MENTAL 

 PHYSIOLOGY. With their ap- 

 plications to the Training and Discip- 

 line of the Mind, and the Study of its 

 Morbid Conditions. By W. B. Car- 

 penter, LL.D., M.D., F.R.S., &c. 

 Illustrated. 



XLIU 



ON FOOD. By Dr. Edward 



Smith, F.R.S. Profusely Illustrated. 



XLIV 



THE FIRST PRINCIPLES OF 

 THE EXACT SCIENCES 



Explained to the Non-Mathe- 

 matical. By Professor W. Kingdom 

 Clifford, M.A. 



XLV 



ANIMAL MECHANICS ; or, Walk- 

 ing, Swimming, and Flying. By 

 Dr. Bell Pettigrew, M.D., F.R.S. 

 125 Illustrations. 



65 Com/ii//, and 12 Paternoster Rozv, London, 

 b3 



