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I 



SCIENCE PROGRESS 



A QUARTERLY REVIEW OF 

 SCIENTIFIC THOUGHT, WORK & AFFAIRS 



No. 48. APRIL 1918 

 CONTENTS 



RECENT ADVANCES IN SCIENCE: Mathematics (P. E. B. 

 Joupdain) — Astronomy (H. S. Jones) — Physics (J. Rice) 

 Physical Chemistry (Prof. W. C. McC. Lewis, D.Sc.) Organic 

 Chemistry (P. Haas, D.Sc.)— Geology (O. W. Tyrrell) -Botany 

 (E. J. Salisbury, D.So.)-Plant Physiology <W. Stiles)-Anthro- 

 polog-y (A. O. Th acker). 



ARTICLES : The Viscosity or Pure Liquids (Si» Edward Thorpe, 

 C.B., LL.D., F.R.S.)— The Downs and the Escarpments of the 

 Weald (Major R. A. Marriott, D.S.O.)— The Electrooulture of 

 Crops (Insrvar Jbrgensen, Cand. Phil., D.I.C., and Walter 

 Stiles, M.A.). 



POPULAR SCIENCE: The Structure of Matter. Par* II. (Prof. 

 W. C. McC. Lewis, D.So.) 



CORRESPONDENCE : The Fluviatile Theory 6f the Orig-in of the 

 Old Red Sandstone (J. W. Evans, D.So.) -A National Union of 

 Scientific Workers (Norman Campbell). 



NOTES : God-Man or Ape-Man - The Mittag-Letner Institute 

 (P. E. B. Jourdain)— Some Points connected with the Liquid 

 State (G. Le Bas, B.Sc.)- Recent Criticism of the Carnegie 

 Trust— A Proposal for the Formation of a British Universities 

 Guild (By a Biologist) -Science and the Cold Storage Industry 

 (From a Correspondent)— Notes and News (D. Orson Wood, 

 M.Sc.)— Uncut Books. 



ESSAYS : Meat Production (J. Alan Murray, B.Sc). 



ESSAY-REVIEWS: The Shaping of the Earth (G. W. Bulman) 

 —Zoological Research in India (J. T. Jenkins, D.Sc.)- 

 Maternity and Child Welfare (T. N. Kelynaok, M.D.). 



REVIEWS: Mathematical Analysis— Higher Algebra - Celestial 

 Objects for Common Telescopes— Electrical Theory of Matter 

 —Oils, Fats and Waxes— Rarer Elements— Artificial Dyes tuffs 

 Proteins-Enzyme Action- Cotton -Gymnosper me Medicinal 

 Plants - Soil Conditions and Plant Growth — Grasses — Mos- 

 quitoes-Shells—Modern Whaling and Bear Hunting— Rustic 

 Sounds— and other Reviews. 



EDITOR 



SIR RONALD ROSS, K.C.B., F.R.S., N.L., 

 D.Sc, LL.D., M.D., F.R.C.S. 



LONDON : JOHN MURRAY, ALBEMARLE STREET, W. 



Price 51- net 



VOL. XII 



