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SERIES.— VOL. I. 



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No. 4. 



cicncc 

 -(progress 



A QUARTERLY REVIEW OF CURRENT SCIENTIFIC INVESTIGATION. 



Conducted by Sir HENRY C. BURDETT, K.C.B. 



Edited by J. BRETLAND FARMER, M.A. 



WITH THE COOPERATION 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., Director of the Scientific Department of the Imperial Institute, London. 

 0. 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 Oxford. 

 O. B. HOWES, F.R.S., Professor of Zoology, Royal College of Science, London. 

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

 H. A. MIERS, F. R.S., Professor of Mineralogy in the University of Oxford. 



JULY, 1897. 



CONTENTS. 



THE NATURAL HISTORY OF THE SEA. By GEORGE MURRAY, F.R.S., Keeper 

 of the Botanical Department of the British Museum 



THE VENOMS OF THE TOAD AND SALAMANDER. By RICHARD T. HEWLETT 

 M.B 



THE RED PIGMENT OF FLOWERING PLANTS. By F. W. KEEBLE, B.A. ... 



RECENT VALUES OF THE MAGNETIC ELEMENTS AT THE PRINCIPAL 

 MAGNETIC OBSERVATORIES OF THE WORLD. By CHARLES CHREE 



]\LA., F.R.S., Superintendent of the Kew Observatory 



THE POSITION OF SPONGES IN THE ANIMAL KINGDOM. By E. A. MINCHIN 

 ^LA., Fellow of Merton College, Oxford 



THE DISEASES OF THE SUGAR-CANE (Part II.). By C. A. BARBER, M.A., late 

 Superintendent of Agriculture in the Leeward Isles ... ... ... ... '^.. 



RECAPITULATION. By J. T. CUNNINGHAM, M.A. 



APPENDIX— REVIEWS OF BOOKS 



379 



397 

 406 



424 

 426 



461 



483 



XXIX 



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