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Scholar of the Grocers' Company. Communicated by Professor 

 Sidney Martin, F.R.S. (Plates 8 and 9) 135 



On the Action exerted upon the Staphylococcus pyogenes by Human 

 Blood Fluids, and on the Elaboration of Protective Elements in the 

 Human Organism in Response to Inoculations of a Staphylococcus 

 Vaccine. By A. E. Wright, M.D., late Professor of Pathology, 

 Army Medical School, Netley, Pathologist to St. Mary's Hospital, 

 Paddington, W., and Stewart R. Douglas, M.E.C.S., Captain, Indian 

 Medical Service. Communicated by Sir J. Burdon-Sanderson, Bart., 

 F.R.S 147 



On the Action exerted upon the Tubercle Bacillus by Human Blood 

 Fluids, and on the Elaboration of Protective Elements in the Human 

 Organism in Response to Inoculations of a Tubercle Vaccine. By 

 A. E. Wright, M.D., late Professor of Pathology, Army Medical 

 School, Netley, Pathologist to St. Mary's Hospital, Paddington, W., 

 and Stewart R. Douglas, M.R.C.S., Captain, Indian Medical Service. 

 Communicated by Sir J. Burdon-Sanderson, Bart., F.R.S 159 



the Density of Nitrous Oxide. By Lord Rayleigh, O.M., F.R.S 181 



No. 600. November 1, 1904. 



Hydrolysis of Cane Sugar by d- and -Caniphor-/3-Sulphonic Acid. By 

 Robert John Caldwell, B.Sc., Clothworkers' Scholar, Chemical Depart- 

 ment, City and Guilds of London Institute, Central Technical College. 

 Communicated by Professor H. E. Armstrong, F.R.S 184 



Studies on Enzyme Action. V. Hydrolysis of Isomeric Glucosides 

 and Galactosides by Acids and Enzymes. By Edward Frankland 

 Armstrong, Ph.D., Salters' Company's Research Fellow, Chemical 

 Department, City and Guilds of London Institute, Central Technical 

 College. Communicated by Professor H. E. Armstrong, F.R.S 188 



Studies on Enzyme Action. VI. The Sucroclastic Action of Acids as 

 contrasted with that of Enzymes. Part II. By Edward Frankland 

 Armstrong, Ph.D., Salters' Company's Research Fellow, and Robert 

 John Caldwell, Clothworkers' Scholar, Chemical Department, City 

 and Guilds of London Institute, Central Technical College. Com- 

 municated by Professor H. E. Armstrong, F.R.S 195 



Studies on Enzyme Action : The Effect of " Poisons " on the Rate of 

 Decomposition of Hydrogen Peroxide by Haemase. By George 

 Senter, Ph.D., B.Sc. (Lond.). Communicated by Professor E. H. 

 Starling, F.R.S 201 



No. 501. - November 16, 1904. 



On certain Properties of the Alloys of Silver and Cadmium. By T. 

 Kirke Rose, D.Sc. . Communicated by C. T. Heycock, F.R.S. 

 (Plate 10) 218 



On the Wetting of Cotton by Water and by Water Vapour. By Orme 

 Masson, D.Sc., F.R.S 230 



Enhanced Lines of Titanium, Iron, and Chromium in the Fraunhoferic 

 Spectrum. By Sir J. Norman Lockyer, K.C.B., LL.D., F.R.S., and 

 F. E. Baxandall, A.K.C.S .". 255 



