PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 

 Series B. Vol. 79. No. B 533 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 

 Studies on Enzyme Action. IX.— The Enzymes of Yeast : Amygdalase. 



By R. J. CALDWELL, B.Sc. (Lond.), Leathersellers' Company's Research 



Fellow, Chemical Department, City and Guilds of London Institute, and 



S. L. COURTAULD, B.A. . 35° 



Studies on Enzyme Action. X. — The Nature of Enzymes. By HENRY E. 



ARMSTRONG, F.R.S., and E. FRANKLAND ARMSTRONG . . 360 



The Solubility of Air in Fats, and its Relation to Caisson Disease. By 



H. M. VERNON, M.D., Fellow of Magdalen College, Oxford . . . ^66 



On Mitosis in Proliferating Epithelium. By J. O. WAKELIN BARRATT, 



M.D., D.Sc. Lond. . 372 



Increase in the Complement - content of Fresh Blood - serum. By 

 J. HENDERSON-SMITH, M.B., Philip Walker Student of Pathology in 

 the University of Oxford . . . . . . . . 37$ 



The Correlation of the Ovarian and Uterine Functions. By E. S. CAR- 

 MICHAEL, M.B., F.R.C.S.E., and F. H. A. MARSHALL, M.A., D.Sc . 378 



The Ascent of Water in Trees : (Second Paper). By A. J. EWART, 



D.Sc. Lond., Professor of Botany, University of Melbourne. (Abstract) . 395 



The Role of the Various Elements in the Development and Regeneration of 



Bone. By Sir WILLIAM MACEWEN, F.R.S. (Abstract) . . . 397 



An Experimental Enquiry into the Nature of the Substance in Serum which 

 influences Phagocytosis. (Second Communication.) By GEORGE DEAN, 

 M.A., CM., M.B., Chief Bacteriologist, Lister Institute . ,.-'•". . 399 



CROONIAN LECTURE :-On Globulins. By W. B. HARDY, M.A., F.R.S. 413 



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 No. B 533. 



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