IV 



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The Metabolism of Lactating Women. By Edward Mellanby, M.A., M.B. 

 (Cantab.), Beit Memorial Besearch Fellow. Communicated by Dr. F. G. 

 Hopkins, F.R.S 88 



Colour Adaptation. By F. W. Edridge-Green, M.D., F.R.C.S., Beit Memorial 



Besearch Fellow. Communicated by Prof. E. H. Starling, F.R.S 110 



The Transmission of Environmental Effects from Parent to Offspring in Simo- 

 cepliahis vetulus. By W. E. Agar, Glasgow University. Communicated by 

 Prof. J. Graham Kerr, F.R.S. (Abstract) 115 



On Negative After-images with Pure Spectral Colours. By George J. Burch, M.A., 



D. Sc. Oxon., F.R.S ' 117 



Contributions to the Histo-Chemistry of Nei've : On the Nature of Wallerian 

 Degeneration. By Henry O. Feiss and W. Cramer. Communicated by Prof. 



E. A. Schafer, F.R.S. (Plate 4) 119 



Factors Affecting the Measurement of Absorption Bands. By H. Hartridge, M.A., 

 Fellow of King's College, Cambridge. Communicated by Prof. J. N. Langley, 



F. R.S 128 



No. B 586.— March 6, 1913. 



The Phenomenon of " Narcosis Progression " in Mammals. By T. Graham Brown 



(Carnegie Fellow). Communicated by Prof. C. S. Sherrington, F.R.S 140 



Trichromic Vision and Anomalous Trichromatism. By F. W. Edridge-Green, M.D., 

 F.R.C.S., Beit Memorial Research Fellow. Communicated by Prof. E. H. 

 Starling, F.R.S 164 



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

 Cayley, Research Student, John Innes Horticultural Institution, Merton, 

 Surrey. Communicated by W. Bateson, F.R.S 171 



On the Manganese Content of Transplanted Tumours. By F. Medigreceanu, M.D. 



Communicated by Sir J. R. Bradford, K.C.M.G., Sec. R.S 174 



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 180 



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. Communicated by 

 Sir R. Ross, K.C.B., F.R.S 187 



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



and F. B. Chavasse. Communicated by Prof. Francis Gotch, F.R.S 192 



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.). Communicated by Dr. L. Hill, F.R.S 198 



