Price HALF-A-CROWN. 

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VOL. V. 



No. 26. 



Science 



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. 

 Q. 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. 





APRIL, 1896. 



CONTENTS. 



THE GENERAL BEARINGS OF MAGNETIC OBSERVATIONS. By Captain 

 ETTRICK W. CREAK, R.N., F.R.S., Superintendent of Compasses at the Admiralty 



THE PRESENT POSITION OF CELL-THEORY (Part I.). By G. C. BOURNE, M.A., 

 Fellow of New College, Oxford ... ...' ... ... ... 



SOLID SOLUTIONS. By JAMES WALKER, Ph.D., D.Sc, Professor of Chemistry .in 

 University College, Dundee 



THE STELAR THEORY : a History and a Criticism (Part I.). By A. G. TANSLEY, B.A. 



ON SOME APPLICATIONS OF THE THEORY OF OSMOTIC PRESSURES TO 

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

 Physiology at Guy's Hospital, London 



APPENDICES: 



I. NOTICES OF BOOKS 



II. CHEMICAL LITERATURE FOR FEBRUARY, 1896 



81 



94 



121 

 *33 



151 



XI 

 XV 



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