Vol. XII. 



All Rights Reserved 



No. 73 



NATURAL 



™ SCIENCE 



A MONTHLY REVIEW OF SCIENTIFIC PROGRESS 

 MARCH i8g8 



Contents 



Notes and Comments 



PAGE 

 146 



Goveraments and Fisheries— Two Views of Physiology— Stereochemistry and Physiology — 

 Osmosis and Animal Electricity — Martian Morphology — Our Microscopic Allies— Life 

 without a Stomach — The Ripening of Cheese — Sleep Movements — Turgidity — The 

 Riddle of Cryptodiscus (rvith PZate /.Y. )— Pettifogging Science— The Placentation of 

 Perameles— A Fresh Mammoth — Geological Photographs —Arrangement of Chambers 

 in Foraminifera— Missing Word Problem in " The Annals " — Forthcoming Congresses 



A New Scheme of Geological Arrangement and Nomenclature. Part III. By Sir Henry H. 

 Howorth, M.P., F.R.S. •••...... 



The Broadening of Atoll-islets. By Charles Hedley, F.L.S., Australian Museum . 



Second Contribution on Numerical Variation of Parts in Ranunculus repens (L. ). By John H. 

 Pledge . . . . . . . 



Egyptian Fisheries. By J. C. Mitchell, D.Sc. .... 



The Red and Blue Colouring Matters of Flowers. By P. Q. Eeegan, LL.D. 



Some New Books ........ 



A Text-book of Zoology : by T. J. Parker and W. A. Haswell— Guide to the Royal Collec- 

 tions at Dresden — Serials 



Obituaries .......... 



C. C. King — A. Schrauf— R. Leuckart— and others 



News of Universities, Museums, and Societies ••••... 



Correspondence ••••••.•... 



F. C. S. Schiller — K. Jordan— C. Schuchert — B. Harrison — C. D. Sberbom 



161 

 174 



179 

 190 

 194 

 200 



207 



208 

 213 



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