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«TJELE IVORTHEIftlV MIICROSCOPIST.' 



A Monthly Illustrated Journal, containing Eeports of the Proceedings of all the 

 principal Microscopical Societies in the North. An excellent medium for the exchange 

 of Slides and Eaw Material. 



London : DAVID BOGUE, 3, St. Martin's Place, W.C. 



Sent post free on receipt of the Annual Subscription, 6s., to the Editor, Geobge B. Datis, 

 F.E.M.S., Dagmar Villa, Beaton Chapel, Stockport. 



= SCIElSrOE.= 



A WEEKLY RECORD OF SCIENTIFIC PROGRESS. ILLUSTRATED. 



The Contributors to the above Journal are the leading representative Scientific men in 

 America. It is a high-class Journal in every respect. FuU of Original Papers of interest. 



229, BROADWAY, NEW YORK. 

 Sample Copies (price 6d.) of SAMUEL DEACON, Leadenhall Street, London. 



THE BRITISH MOSS FLORA. 



By R. BEAITHWAITE, M.D. 



Pabt rv. Fissidentace« is now ready, and completes the First Section of Twelve 

 Plates. 



Section 2 will comprise Leucobryaceae, one Plate ; Dicranacese, eleven Plates ; and 

 will be published in three Parts of four Plates each. Subscriptions (10«. 6d.) may be 

 paid in July next. 



The previous Parts— Andreaeaceae, with two Plates ; Buxbaumiacesa and Georgiacese, with two Plates ; and 

 Polytricbaceae, with five Plates, may be bad from the Author, at 303, Clapham Road, London. 



