PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 

 Series B. Vol 79. No. B 529 



BIOLOGICAL SCIENCES. 



CONTENTS. 



Page 

 Address of the President, Lord Rayleigh, O.M., D.C.L., at the Anniversary 



Meeting on November 30, 1906 . . 83 



Further Observations on the Effects produced on Rats by the Trypanosomata 

 of Gambia Fever and of Sleeping Sickness. By H. G. PLIMMER, F.L.S. 

 (Plate 1) . . . . : "... 95 



Obituary Notices of Fellows Deceased : — 

 Sir John Burdon-Sanderson, Bart.; H. B. Medlicott ; W. T. Blanford ; 

 G. B. Howes ; Ferdinand von Richthofen ; F. W. Hutton ; G. B. 

 Buckton ; C. B. Clarke ; L. S. Beale. 





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No. B 529. 



April 4, 1907. 



