Journal of tU 



Ropal microscopical Socletp 



CONTAINING ITS TRANSACTIONS AND PROCEEDINGS 



AND 

 A SUMMARY OF CURRENT RESEARCHES RELATING TO 



(principally Invertebrata and Cryptogamia) 



EDITED BY 

 CHARLES SINGER, M.A. M.D. F.R.C.P. 



WITH THE ASSISTANCE OF THE PUBLICATION COMMITTEE AND 



J. ARTHUR THOMSON, M.A. LL.D. A. N. DISNEY, M.A. B.Sc. 



Regius Professor of Natural History in the 

 University of A berdeen 



FELLOWS OF THE SOCIETY, 



A. B. RENDLE, M.A. D.Sc. F.R.S. F.L.S. 



Keeper, Department of Botany, British Museum 



AND 



RALPH ST. JOHN BROOKS, 

 M.A. M.D. D.P.H. D.T.M. & H. (Camb.) 



Minimis partibus, per totum Naturae campum, certitudo omnis innititur 

 quas qui fiigit pariter Naturam \\x^\\.—LinncBus. 



FOR THE YEAR 

 1919 



TO BE OBTAINED AT THE SOCIETY'S ROOMS 



20 HANOVER SQUARE, LONDON, W.i 



OF Messrs. WILLIAMS & NORGATE, 14 Henrietta Street, London, W.C 2 

 AND OF Messrs. DULAU & CO., Ltd., 34 Margaret Street, London, W.i 



