﻿PROCEEDINGS 
  

  

  OF 
  

  

  THE 
  ROYAL 
  SOCIETY. 
  

  

  Series 
  B. 
  Vol. 
  91. 
  No. 
  B 
  641. 
  

  

  BIOLOGICAL 
  SCIENCES. 
  

  

  CONTENTS. 
  

  

  On 
  the 
  Occurrence 
  of 
  Diatoms 
  on 
  the 
  Skin 
  of 
  Whales. 
  By 
  A. 
  G. 
  BENNETT 
  

   (With 
  an 
  Appendix 
  by 
  E. 
  W. 
  NELSON) 
  

  

  CROONIAN 
  LECTURE 
  :— 
  Genetic 
  Segregation. 
  By 
  W. 
  BATESON 
  

   M.A.. 
  F.R.S. 
  . 
  . 
  ' 
  

  

  The 
  Genetics 
  of 
  Sex 
  in 
  Funaria 
  hygrometrica. 
  By 
  E. 
  J. 
  COLLINS. 
  M.A 
  

   (Cantab.), 
  B.Sc. 
  (Lond.) 
  . 
  

  

  Page 
  

  

  352 
  

  

  358 
  

  

  369 
  

  

  Obituary 
  Notices 
  of 
  Fellows 
  deceased 
  : 
  — 
  Sir 
  J. 
  Hutchinson 
  ; 
  Sir 
  Victor 
  

  

  Horsley 
  ; 
  Octavius 
  Pickard-Cambridge 
  ..... 
  xli 
  — 
  Hii 
  

  

  Ind 
  

  

  ex 
  

  

  lv 
  

  

  Title, 
  Contents, 
  etc. 
  

  

  man 
  

  

  N0V2* 
  1Q20 
  

  

  Librae. 
  

  

  PRINTED 
  AND 
  PUBLISHED 
  FOR 
  THE 
  ROYAL 
  SOCIETY 
  BY 
  

   HARRISON 
  & 
  SONS, 
  Ltd., 
  44—47, 
  ST. 
  MARTIN'S 
  LANE, 
  LONDON, 
  W.C.2. 
  

  

  Price 
  Four 
  Shillings. 
  

  

  No. 
  B 
  641. 
  

  

  November 
  15, 
  1920. 
  

  

  