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VOL. IV. 



No. 22. 



ctence 



progress 



A MONTHLY REVIEW OF CURRENT SCIENTIFIC INVESTIGATION. 



Conducted by HENRY C. BURDETT. 



Edited by J. BRETLAND FARMER, M.A. 



WITH THE CO-OPERATION OF THE FOLLOWING EDITORIAL COMMITTEE : — 



H. E. ARMSTRONG, F. R.S., Professor of Chemistry at the City and Guilds of London Institute for Technical 

 Education. 



W. R. DUNSTAN, F.R.S., Professor of Chemistry, St. Thomas' Hospital and Pharmaceutical Society, 

 London. 



G. F. FITZGERALD, F.R.S., Professor of Natural and Experimental Philosophy in the University of Dublin. 



C. S. SHERRINGTON, F.R.S., Professor of Physiology in University College, Liverpool. 



J. W. JUDD, C.B., F.R.S., Dean of The Royal College of Science, London. 



W. J. SOLLAS, F. R.S., Professor of Geology in the University of Dublin. 



G. B. HOWES, F.Z.S., Professor of Zoology, Royal College of Science, London. 



H. MARSHALL WARD, F.R.S., Professor of Botany in the University of Cambridge. 



DECEMBER, 1895. 



CONTENTS. 



H. 



WILLIAMSON'S RESEARCHES ON THE CARBONIFEROUS FLORA. By D. 

 SCOTT, M.A., F.R.S., Hon. Keeper of the Jodrell Laboratory, Royal Gardens, Kew 



MINERAL TRANSFORMATIONS. By H. A. MIERS, M.A 



ON SOME APPLICATIONS OF THE THEORY OF OSMOTIC PRESSURES TO 

 PHYSIOLOGICAL PROBLEMS (Part I.). By E. STARLING, M.D., Lecturer on 

 Physiologyin Guy's Hospital, London 



THEORIES OF ELECTROLYSIS. By C. DAMPIER WHETHAM, M.A., Fellow of 

 Trinity College, Cambr d^e ... ■ ... 



THE STUDY OF THE ANCIENT SEDIMENTS. By J. E. MARR, F.R.S., Fellow of St. 



John's College, Cambridge 

 CARL LUDWIG (II.). By LEON ASHER, Lecturer on Physiology in the University, Bern 

 APPENDICES : 



I. NOTICES OF BOOKS 



II. CHEMICAL LITERATURE FOR OCTOBER, 1895 



253 



2 73 



284 

 293 



313 

 ^23 



XXI 

 XXII 



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