Periodicals published by TAYLOR & FRANCIS. 



Published the First Day of every Month. — 2s. 6d, 



THE 



LONDON, EDINBURGH, aftd DUBLIN 



PHILOSOPHICAL MAGAZINE 



AXD 



JOURNAL OF SCIENCE. 



Conducted by 



SIR OLIVER JOSEPH LODGE, D.Sc., LL.D., F.R.S, 



SIR JOSEPH JOHN THOMSON, O.M., M.A., Sc.D., F.R S., 



JOHN JOLY, M.A., D.Sc, F.R.S., F.G.S., and 



WILLIAM FRANCIS, F.L.S. 



Published the First Day of every Month. — 2s. 6d. 

 THE 



ANNALS AND MAGAZINE OF NATURAL HISTORY, 



including Zoology, Botany, and Geology. 



Conducted by 

 WILLIAM CARRUTHERS. Ph.D., F.R.S., F.L S , F G S 

 ARTHUR E. SHIPLEY. M.A., Sc.D., F.R.S., F.Z S , and' 

 RICHARD T. FRANCIS, F.Z.S. 



Founded in 1877. Monthly, Is. Annual Subscription 

 (' Companion ' and 12 Monthly lumbers), IBs 



THE OBSERVATORY, 



A MONTHLY REVIEW OF ASTRONOMY. 



Edited by 

 A. S. EDDINGTON, M.A., M.Sc, F.R.S , 

 F. J. M. STRATTON, M.A., and 

 II. S. JONES, M.A., B.Sc. 



Its Contributors include most of the leading' English-speaking Astronomers 

 and its Articles give an interesting reflection of the progress of astronomical 

 thought and achievement. 



Published Monthly. Price Is. 8d. Annual Subscription, 

 16s. post free. 



THE 



JOURNAL OF BOTANY 



BRITISH AND FOREIGN. 



Edited by 

 JAMES BRITTEN, K.S.G., F.L.S., 



LATE SENIOR ASSISTANT, DEPARTMENT OF BOTANY, BRITISH MUSEUM. 



Articles by prominent Bots,nists ; Announcements of Discoveries ; Reviews • 

 Botanical News and Notes, &c, &c. 



Red Lion Court, Fleet Street, London. 



