PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 86. 



No. B 586. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 



The Phenomenon of " Narcosis Progression "in Mammals. By T. GRAHAM 

 BROWN (Carnegie Fellow) 



Trichromic Vision and Anomalous Trichromatism. By F. W. EDRIDGE- 

 GREEN, M.D.. F.R.C.S., Beit Memorial Research Fellow 



A Preliminary Note on a New Bacterial Disease of Pisum sativum. By 

 DOROTHY M. CAYLEY. Research Student, John Innes Horticultural 

 Institution, Merton, Surrey ......... 



On the Manganese Content of Transplanted Tumours. By F. MEDIGRE- 

 CEANU. M.D 



The Influence of the Resilience of the Arterial Wall on Blood-Pressure and on 

 the Pulse Curve. By S. RUSSELL WELLS and LEONARD HILL, F.R.S. 



On the Non-Identity of Trypanosoma brucei, Plimmer and Bradford, 1899, 

 with the Trypanosome of the Same Name from the Uganda Ox. By 

 J. W. W. STEPHENS, M.D., D.P.H. (Cantab.), and B. BLACKLOCK, M.D., 

 D.P.H 



The Action of Adrenin on Veins. (Preliminary Communication.) By 

 J. A. GUNN and F. B. CHAVASSE . . 



An Apparatus for Liquid Measurement by Drops and Applications in 

 Counting Bacteria and other Cells and in Serology, etc. By R. DONALD, 

 B.Sc. (N.Z.). D.P.H. (Oxf.) ......... 



A Preliminary Report on the Treatment of Human Trypanosomiasis and 

 Yaws with Metallic Antimony. By H. S. RANKEN, M.B. Glasg., M.R.C.P. 

 Lond., Captain R.A.M.C., Member Sudan Sleeping Sickness Commission 



The Liberation of Ions and the Oxygen Tension of Tissues during Activity. 

 (Preliminary Communication.) By H. E. ROAF, M.D., D.Sc. 



printed FOR THE ROYAL SOCIETY and sold by 



HARRISON & SONS, 45, ST. MARTIN'S LANE, LONDON, W.C. 



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Price Three Shillings. 



No. B 586. 



March 6, 1913. 



