VI 



The Rule of the Various Elements in the Development and Eegeneration 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. Communicated by Dr. 

 C. J. Martin, F.R.S 399 



Croonian Lecture :~On Globulins. By W. B. Hardy, M.A., F.RS 413 



No. B 534.— September 6, 1907. 



Fatty Degeneration of the Blood. By S. G. Shattock and L. S. Dudgeon. Com- 

 municated by Professor J. Bose Bradford, F.R.S 427 



Some Points in the Development of Ophiothrix fragilis. By E. W. MacBride, D.Sc, 



F.R.S. , Strathcona Professor of Zoology in McGill University, Montreal 440 



Croonian Lecture : — On the Structural Constituents of the Nucleus, and their 

 Relation to the Organisation of the Individual. By J. Bretland Farmer, D.Sc, 

 F.R.S 446 



On Certain Phenomena of Inactivation and of Inhibition exhibited by Precipitin 

 Antisera. By D. A. Welsh, M.A., B.Sc, M.D., Professor of Pathology, and 

 H. G. Chapman, M.D., B.S., Demonstrator of Physiology in the University of 

 Sydney. Communicated by Dr. C. J. Martin, F.R.S 465 



Miadesmia membranacea, Bertrand ; a New Pala-ozoic Lycopod with a Seed-like 

 Structure. By M. Benson, D.Sc, F.L.S. Communicated by Dr. D. H. Scott, 

 F.R.S. (Abstract) 473 



On the Identification of Chitin by its Physical Constants. By Igerna B. J. Sollas, 

 Fellow of Newnham College, Cambridge. Communicated by Professor W. J. 

 Sollas, F.R.S 474 



The Inhibitory Action upon Subsequent Phagocytosis, exerted on Active Normal 

 Serum by Inactive Normal Serum through which Bacilli have been passed. 

 By J. C. G. Ledingham, M.A., M.B. (Aberdeen), Assistant Bacteriologist, 

 Lister Institute. Communicated by Dr. C. J. Martin, F.R.S 482 



Contributions to our Knowledge of the Poison Plants of Western Australia. By 

 E. A. Mann, Government Analyst, and W. H. Ince, Ph.D., F.I.C. Communi- 

 cated by Professor J. Norman Collie, F.R.S. (Abstract) 485 



Observations on the Life-history of Leucocytes. Part II. — On the Origin of the 

 Granules. By C. E. Walker, Assistant- Director of the Cancer Research 

 Laboratories, University of Liverpool. Communicated by Professor C. S. 

 Sherrington, F.R.S. (Plate 5) 491 



Observations on the Life-history of Leucocytes. — Part III. By C. E. Walker, 

 Assistant-Director, Cancer Research Laboratories, University of Liverpool. 

 Communicated by Professor J. B. Farmer, F.R.S. (Plate 6) 495 



