PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



Series B. Vol. 86. No. B 588. 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Contributions to the Biochemistry of Growth. — The Glycogen-content of the 

 Liver of Rats bearing Malignant New Growths. By W. CRAMER and 

 JAS. LOCHHEAD 



The Formation of the Anthocyan Pigments of Plants. Part IV. — The 

 Chromogens. By FREDERICK KEEBLE, Sc.D., Professor of Botany, 

 University College, - Reading ; E. FRANKLAND ARMSTROMG, D.Sc, 

 Ph.D. ; and W. N. JONES, M.A., Lecturer in Botany, University College, 

 Reading ........... ■ 



The Formation of the Anthocyan Pigments of Plants. Part V. — The 

 Chromogens of White Flowers. By W. NEILSON JONES, M.A., 

 Lecturer in Botany, University College, Reading . . . . . 



On the Occurrence of a Ganglion in the Human Temporal Bone not 

 hitherto described. By ALBERT A. GRAY. (Plate 6) 



Studies on Enzyme Action. XIX. — Urease: a Selective Enzyme. II. — 

 Observations on Accelerative and Inhibitive Agents. By H. E. 

 ARMSTRONG, F.R.S., M. S. BENJAMIN and EDWARD HORTON 



A Preliminary Note on the Fossil Plants of the Mount Potts Beds, New 

 Zealand, Collected by Mr. D. G. Lillie, Biologist to Captain Scott's 

 Antarctic Expedition in the " Terra Nova." By E. A. NEWELL ARBER, 

 M.A., Sc.D., F.G.S., F.L.S., Trinity College, Cambridge, University 

 Demonstrator in Palasobotany. (Plates 7 and 8) . 



On the Nature of the Toxic Action of Electric Discharge upon Bacillus coli 

 communis. By J. H. PRIESTLEY and R. C. KNIGHT .... 



Experiments on the Kidneys of the Frog. (Preliminary Communication.) 

 By F. A. BAINBRIDGE, S. H. COLLINS, and J. A. MENZIES . 



The Effect of the Lability (Resilience) of the Arterial Wall on the Blood 

 Pressure and Pulse Curve.— II. By LEONARD HILL, F.R.S., and 

 MARTIN FLACK 



On the Probable Value to Bacillus coli of "Slime" Formation in Soils. By 

 CECIL REVIS 



Variation in Bacillus coli. — The Production of Two Permanent Varieties 

 from one Original Strain by means of " Brilliant Green." By CECIL 



REVIS 



printed for THE ROYAL SOCIETY and sold by 



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Price Three Shillings and Sixpence. 



No. B 588. 



May 22, 1913. 



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