Wyman & Sons, Printers, Publishers, &c. 



"KNOWLEDGE" LIBRARY SERIES. 



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The Borderland of Science. 



A series of familiar dissertations on Stars ; Planets and Meteors ; Sun and Moon ; 



Gambling ; Earthquakes ; Flying Machines ; Coal ; Coincidences ; Ghosts, &c. By 



RICHARD A. PROCTOR, author of "Science Byways," "The Poetry of 



Astronomy," &c. 



" Mr. Proctor is one of the few English writers who can treat scientific subjects popularly, without 

 either vulgarising them or lapsing into inaccuracy. In his charming pages every educated person will 

 find instruction and solid information deftly combined with amusement." Daily Telegraph. 



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Science Byways. 



A series of familiar dissertations on Life in Other Worlds ; Comets and the Sun ; the 

 North Pole ; Danger from Lightning ; Growth and Decay of Mind ; the Brain and 

 Mental Feats ; Automata, c., &c. , to which is appended an Essay entitled " Money for 

 Science." By RICHARD A. PROCTOR, author of "The Borderland of Science," 

 &c. &c. 



"A clear as well as interesting summary of many subjects concerning which public interest has been 

 aroused by recent research or discovery." Westminster Review. 



" Mr. Proctor has the happy knack, much rarer than he seems to think it, of putting a really scientific 

 article into an attractive form." British Quarterly tteview. 



Crown 8vo., cloth, price 6s. ; post-free, 6s. 6d. 



The Poetry of Astronomy. 



A series of familiar Essays on the Heavenly Bodies, regarded less in their strictly scientific 

 aspect than as suggesting thoughts respecting infinities of, time and space, of variety, 

 of vitality, and of development. By RICHARD A. PROCTOR, author of "The 

 Borderland of Science," " The Sun," &c. 



"Interesting in the highest degree, and at the same time quite capable of being appreciated without 

 special acquaintance with the subject." Spectator. 



" VVhatever Mr. Proctor writes has about it grace and finish, and we can pay him, as a man of science, 

 no higher or more merited compliment than to say that, if all natural philosophers would discard as 

 completely as he does all technical jargon, their favourite branch of study would be perused more 

 widely and studied with greater avidity than it is." IVorld. 



" Full of information as well as imagination." John Bull. 



"Well-written sketches of the mor^ popular portions of the science of astronomy." Popular Science 

 Review. 



" Mr. Proctor has the rare faculty of making the truths of astronomy attractive without any sacrifice 

 of scientific exactness." Daily News. 



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Nature Studies. 



A Series of Essays. By RICHARD A. PROCTOR, Author of "Science Byways," 

 &c. &c., EDWIN C. CLODD, DR. ANDREW WILSON, &c. 



Crown 8vo., cloth, price 6s.; post-free, 6s. 6d. 



Leisure Readings. 



A Series of Essays. Ry RICHARD A. PROCTOR, Author of "The Borderland of 

 Science," &c. &c., EDWIN C. CLODD, DR. ANDREW WILSON, &c. 



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