﻿IV 
  

  

  No. 
  B 
  637.— 
  March 
  1, 
  1920. 
  

  

  PAGE 
  

  

  Croonian 
  Lecture. 
  — 
  The 
  Biological 
  Significance 
  of 
  Anaphylaxis. 
  By 
  H. 
  H. 
  Dale, 
  

  

  C.B.E., 
  M.D., 
  F.R.S 
  .' 
  126 
  

  

  The 
  Relation 
  of 
  Spermatozoa 
  to 
  Certain 
  Electrolytes. 
  — 
  II. 
  By 
  J. 
  Gray, 
  M.A., 
  

   Fellow 
  of 
  King's 
  College, 
  Cambridge. 
  Communicated 
  by 
  Prof. 
  J. 
  Stanley 
  

   Gardiner, 
  F.R.S 
  147 
  

  

  A 
  Further 
  Study 
  of 
  Chromosome 
  Dimensions. 
  By 
  C. 
  F. 
  U. 
  Meek. 
  Communicated 
  

  

  by 
  Prof. 
  S. 
  J. 
  Hickson, 
  F.R.S. 
  (Plates 
  2 
  and 
  3) 
  157 
  

  

  The 
  Physiological 
  Cost 
  of 
  Muscular 
  Work 
  Measured 
  by 
  the 
  Discharge 
  of 
  Carbon 
  

   Dioxide. 
  Part 
  I. 
  — 
  The 
  Energy 
  Output 
  of 
  Dock 
  Labourers 
  during 
  " 
  Heavy 
  

   Work." 
  By 
  A. 
  D. 
  Waller, 
  M.D., 
  F.R.S 
  166 
  

  

  No. 
  B 
  638.— 
  May 
  12, 
  1920. 
  

  

  The 
  Genetics 
  of 
  "Rogues" 
  among 
  Culinary 
  Peas 
  (Pisum 
  sativum). 
  By 
  W. 
  

   Bateson, 
  M.A., 
  F.R.S., 
  and 
  Caroline 
  Pellew, 
  Student 
  of 
  the 
  John 
  Innes 
  

   Horticultural 
  Institution 
  186 
  

  

  The 
  Properties 
  of 
  Colloidal 
  Systems. 
  IV. 
  — 
  Reversible 
  Gelation 
  in 
  Living 
  Proto- 
  

   plasm. 
  By 
  W. 
  M. 
  Bayliss, 
  FR.S 
  196 
  

  

  Studies 
  of 
  Photo-synthesis 
  in 
  Fresh- 
  water 
  Algse. 
  — 
  1. 
  The 
  Fixation 
  of 
  both 
  Carbon 
  

   and 
  Nitrogen 
  from 
  the 
  Atmosphere 
  to 
  form 
  Organic 
  Tissue 
  by 
  the 
  Green 
  

   Plant 
  Cell. 
  2. 
  Nutrition 
  and 
  Growth 
  produced 
  by 
  High 
  Gaseous 
  Dilutions 
  

   of 
  Simple 
  Organic 
  Compounds, 
  such 
  as 
  Formaldehyde 
  and 
  Methylic 
  Alcohol. 
  

   3. 
  Nutrition 
  and 
  Growth 
  by 
  means 
  of 
  High 
  Dilutions 
  of 
  Carbon 
  Dioxide 
  and 
  

   Oxides 
  of 
  Nitrogen 
  without 
  Access 
  to 
  Atmosphere. 
  By 
  Benjamin 
  Moore, 
  

   F.R.S., 
  and 
  T. 
  Arthur 
  Webster 
  201 
  

  

  A 
  Preliminary 
  Account 
  of 
  the 
  Meiotic 
  Phenomena 
  in 
  the 
  Pollen 
  Mother-Cells 
  and 
  

   Tapetum 
  of 
  Lettuce 
  {Lactuca 
  sativa). 
  By 
  R. 
  Ruggles 
  Gates, 
  Ph.D., 
  F.L.S., 
  

   Reader 
  in 
  Botany, 
  University 
  of 
  London 
  (King's 
  College). 
  Communicated 
  by 
  

   Prof. 
  J. 
  B. 
  Farmer, 
  F.R.S 
  216 
  

  

  No. 
  B 
  639.— 
  June 
  1, 
  1920. 
  

  

  On 
  the 
  Development 
  of 
  the 
  Auditory 
  Apparatus 
  in 
  Sphenodon 
  punctatus. 
  By 
  

  

  F. 
  J. 
  Wyeth, 
  M.A., 
  B.Sc, 
  B.D. 
  Communicated 
  by 
  Prof. 
  Arthur 
  Dendy, 
  F.RS. 
  

  

  (Abstract) 
  224 
  

  

  The 
  Physiological 
  Cost 
  of 
  Muscular 
  Work 
  Measured 
  by 
  the 
  Discharge 
  of 
  Carbon 
  

   Dioxide. 
  Part 
  II. 
  — 
  The 
  Energy 
  Output 
  of 
  Labourers 
  on 
  Cold 
  Storage 
  Work. 
  

   By 
  A. 
  D. 
  Waller, 
  M.D., 
  F.R.S., 
  with 
  the 
  assistance 
  of 
  Miss 
  G. 
  de 
  Decker 
  229 
  

  

  Experimental 
  Researches 
  on 
  Vegetable 
  Assimilation 
  and 
  Respiration. 
  XIII. 
  — 
  

   The 
  Development 
  of 
  Photosynthetic 
  Activity 
  during 
  Germination. 
  By 
  

  

  G. 
  E. 
  Briggs, 
  Demonstrator 
  in 
  Plant 
  Physiology 
  in 
  the 
  University 
  of 
  

   Cambridge. 
  Communicated 
  by 
  F. 
  F. 
  Blackman, 
  F.R.S 
  249 
  

  

  tudies 
  on 
  Synapsis. 
  I. 
  — 
  Oogenesis 
  in 
  the 
  Hymenoptera. 
  By 
  Lancelot 
  T. 
  

   Hogben, 
  M.A. 
  (Cantab.), 
  B.Sc. 
  (Lecturer 
  in 
  Zoology, 
  Imperial 
  College 
  of 
  

   Science, 
  London). 
  Communicated 
  by 
  Prof. 
  E. 
  W. 
  McBride, 
  F.R.S. 
  (Plates 
  4-9) 
  268 
  

  

  