i 



The Conduction of the Pulse Wave and the Measurement of Arterial Pressure. By 



Leonard Hill, F.R.S., James McQueen, and Martin Flack 344 



On the Floral Mechanism of Welwitschia mirabilis, Hooker. By Arthur Harry 

 Church, Lecturer in Botany, University of Oxford. Communicated by Prof. 

 A. C. Seward, F.E.S. (Abstract) 354 



The Influence of the Position of the Cut upon Regeneration in Gunda ulvce. By 

 Dorothy Jordan Lloyd, B.Sc, Bathurst Student of Newnham College, 

 Cambridge. Communicated by J. Stanley Gardiner, F.R.S 355 



Investigations dealing with the Phenomena of " Clot " Formations. Part II. — The 

 Formation of a Gel from Cholate Solutions having many Properties analogous 

 to those of Cell Membranes. By S. B. Schryver. Communicated by Prof. 

 V. H. Blackman, F.R.S 366 



A New Malaria Parasite of Man. By J. W. W. Stephens, M.D., Sir Alfred Jones 

 Professor of Tropical Medicine, University of Liverpool. Communicated by 

 Sir B. Boss, K.C.B., F.E.S. (Plates 14-16)" 375 



Formaldehyde as an Oxidation Product of Chlorophyll Extracts. By Charles Home 



Warner, B.Sc, F.I.C. Communicated by Prof. V. H. Blackman, F.R.S 378 



The Action of Light on Chlorophyll. By Harold Wager, F.E.S 386 



No. B 597.— May 15, 1914. 



The Controlling Influence of Carbon Dioxide in the Maturation, Dormancy, and 

 Germination of Seeds.— Part I. By Franklin Kidd, B.A., Fellow of St. John's 

 College, Cambridge. Communicated by Dr. F. F. Blackman, F.E.S 408 



The Functional Correlation between the Ovaries, Uterus, and Mammary Glands in 

 the Eabbit, with Observations on the Qistrous Cycle. By J. Hammond, M.A., 

 and F. H. A. Marshall, Sc.D. Communicated by Dr. F. G. Hopkins, F.R.S. 

 (Plates 17 and 18) 422 



Oxidation of Thiosulphate by Certain Bacteria in Pure Culture. By William 



T. Lockett. Communicated by Prof. P. F. Frankland, F.R.S 441 



The Production of Anthocyanins and Anthocyanidins. By Arthur Ernest Everest, 

 M.Sc, Lecturer in Chemistry, University College, Reading. Communicated 

 by Prof. F. Keeble, F.R.S 444 



Variations in the Growth of Adult Mammalian Tissue in Autogenous and 

 Homogenous Plasma. By Albert J. Walton, M.S., F.R.C.S., B.Sc. Com- 

 municated by Prof. W. Bullock, F.R.S. (Plates 19 and 20) 452 



The Decomposition of Formates by Bacillus coli communis. By Egerton Charles 



Grey, 1851 Exhibition Scholar. Communicated by Dr. A. Harden, F.R.S 461 



The Enzymes which are Concerned in the Decomposition of Glucose and Mannitol 

 by Bacillus coli communis. By Egerton Charles Grey, 1851 Exhibition 

 Scholar. Communicated by Dr. A. Harden, F.R.S 472 



On the Genetics of Tetraploid Plants in Primula sinensis. By R. P. Gregory, M.A., 

 Fellow of St. John's College, Cambridge, University Lecturer in Botany. 

 Communicated by W. Bateson, F.R.S 484 



