

No. 27. JANUARY 1913. 



The Mechanism of Infection in Tuber- 

 culosis. R. R. Armstrong, B.A., M.B., 

 B.C. (Cantab.), M.R.C.S., L.R.C.P. 



Scientific Problems in Radiotelegraphy. 

 J. A. Fleming, M.A., D.Sc, F.R.S. 



X-Rays and Crystals. W. L. Bragg, 

 B.A. Illustrated. 



"Mathematics and Chemistry": A Reply. 

 James Riddick Partington, M.Sc. 



Horticultural Research. II. Tree 

 Pruning and Manuring. Spencer 

 Pickering, F.R. S. Illustrated. 



The Discussion on Animal Nutrition at 

 Dundee. E. J. Russell, D.Sc. 



The Spectre of Vitalism.' 

 Elliott. 



Hugh S. 



The Dangers of Socialistic Legislation. 

 Charles Walker, D.Sc, M.R.C.S., 

 L. R.C.I 



The Detection of Pregnancy. 



The Bleaching of Floi 



No. 28. APRIL 1913. 



Radioactivity Visualised. C. T. R. Wil- 

 son, M.A., F.R.S. Illustrated. 



Horticultural Research. III. The 

 Action of Grass on Trees. Spencer 

 Pigkering, F.R.S. Illustrated. 



The Exact Determination of Atomic 

 Weights by Physical Methods. F. T. V. 

 Little, A.R.C.S., B.Sc Illustrated. 



The Logic of Darwinism. Archer Wilde. 



The Measurement of Osmotic Pressure by 

 Direct Experiment. T. Martin Lowry, 

 D.Sc. Illustrated. 



The Comparative Anatomy of the In- 

 ternal Ear of Vertebrates. R. H. 

 Burne. Illustrated. 



The Projected Revival of the Flax In- 

 dustry in England. J. Vargas Eyre, 

 Ph D. Illustrated. 



The State Protection of Wild Plants, 

 A. R. Horwood. 



Further Speculations upon the Origin 

 of Life. Charles Walker, D.Sc. 



The Mystery of Radioactivity. H. E. A. 



Reviews. 



Vertebrate Palaeontology in 1912. With 

 Note on Giant Tortoises and Their 

 Distribution. R. Lydekker, F.R.S. 



Temperature and the Properties of 

 Gases. Francis Hyndman, B.Sc. 



Llnard's Researches on Phosphores- 

 cence. E. N. Da C. Andrada, B.Sc, 

 Ph.D. (Illustrated.) 



The Corrosion of Iron. H. E. 



Recent Work on Volcanoes. E. H. L. 

 Schwarz, F.G.S. 



A Contribution to the Bionomics of 

 English Oligoch^eta. Part I — British 

 Earthworms. The Rev, Hilderic 

 Friend, F.L.S. 



No. 29. JULY, 1913. 



Enzymes as Synthetic Agents. J. H. 



Priestley, B.Sc, F.L.S. 

 Scientific National Defence. Colonel 



Charles Ross, D.S.O. 

 Woman's Place in Nature. I — M. S. 



Pembrf.y, M.A., M.D. II — O. A. Craggs, 



B.Sc. 

 The Seats of the Soul in History. 



David Fraser Harris, M.D., B.Sc 

 The Outlook for Human Health. Ber- 

 nard Houghton, B.A., I.C.S. 

 Reviews. 

 The Emoluments of Scientific Workers. 



Notice. 



All applications for space to be made to 



Mr. JOHN MURRAY, 50a, Albemarle Street, W. 

 Mr. H. A. COLLINS, 32, Birdhurst Read, Croydon 



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