Wyman & Sons, Printers, Publishers, &c. 

 "KNOWLEDGE" LIBRARY SERIES. 



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



Nature Studies. 



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

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



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



Leisure Readings. 



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

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



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



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. B 

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

 Astronomy," &c. 



" Mr. Proctor is one of the few English writers who can treat scientific subjects popularly, withot 

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

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



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



Science Byways. 



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

 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. 



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. 



" Well-writttn sketches of the more popular portions of the science of astronomy." Popular Science 

 Review. 



Imperial 8vo., price 55., with Twelve Maps of the Heavens. 



The Stars in their Seasons. 



An easy Guide to a Knowledge of the Stars, exhibiting in Twelve Large Maps the 

 appearance of the Heavens at any hour of the Night all the Year round. By RICHARD 

 A. PROCTOR, Author of " The Poetry of Astronomy," &c. &c. 



74 to 76, Great Queen Street, London, W.C. 



