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VOL. IV. 



No. 20. 



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. . ., . ... * r, •.,- 



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



C. S. SHERRINGTON, F.R.S., St. Thomas' Hospital, London. 



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, Royal Indian Engineering College, Cooper's Hill, 



Staines. 



OCTOBER, 1895. 



CONTENTS. 



RECENT PROGRESS IN THE STUDY OF ALLOYS. By F. H. NEVILLE 



GALVANOTROPISM OF TADPOLES. By AUGUSTUS D. WALLER, M.D., F.R.S., 



Lecturer on Physiology in St. Mary's Hospital Medical School 



THE CHROMATOPHORES OF ANIMALS. By WALTER GARSTANG, M.A., Fellow 



of Lincoln College, Oxford 



THE SPACE RELATIONS OF ATOMS (Continued). By ARNOLD EILOART, Ph.D. 

 THE SYNTHESIS OF PROTEIDS. By W. D. HALLIBURTON, M.D., F.R.S., Professor 



of Physiology, King's College, London 



APPENDICES: 



I. NOTICES OF BOOKS 



II. CHEMICAL LITERATURE FOR AUGUST, 1895 



PAGE 



77 

 96 



104 

 132 



149 



VII 

 VIII 



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