﻿( 
  viii 
  ) 
  

  

  XIII. 
  On 
  the 
  Mechanism 
  of 
  the 
  Male 
  Genital 
  Tube 
  in 
  Coleoptera. 
  

  

  By 
  FiiEDEincK 
  Muir 
  ... 
  

  

  XIV. 
  A 
  NewFamilyof 
  Lepidoptera,the 
  JHi/(e^i(/ae. 
  By 
  A. 
  Jefferis 
  

  

  Tdknee, 
  M.D 
  

  

  XV. 
  On 
  the 
  Histology 
  of 
  the 
  Scent-organs 
  in 
  the 
  Genus 
  Hydruptila, 
  

   Dal. 
  By 
  H. 
  Eltringuam, 
  M.A., 
  D.Sc, 
  F.Z.S. 
  ' 
  

  

  XVI. 
  New 
  Moths 
  collected 
  by 
  Mous. 
  A. 
  Avinoff 
  in 
  W. 
  Turkestan 
  

   and 
  Kashmir 
  during 
  his 
  journeys 
  in 
  1909-1912. 
  By 
  Sir 
  

   George 
  F. 
  Hampson, 
  Bart. 
  Communicated 
  by 
  J. 
  Hartley 
  

  

  DURRANT 
  

  

  XVII. 
  Cocoon 
  Softening 
  in 
  some 
  Agrotids 
  {Koctuae). 
  

   Chapman, 
  M.D.,F.R.S 
  

  

  By 
  T. 
  A. 
  

  

  XVIII. 
  Notes 
  on 
  Lycaena 
  alcon 
  F., 
  as 
  reared 
  in 
  1918-1919. 
  By 
  T. 
  A. 
  

   Chapman, 
  M.D., 
  F.R.S 
  

  

  XIX. 
  Contributions 
  to 
  the 
  Life 
  History 
  of 
  Lycaena 
  cnphcmus 
  Hb. 
  

   By 
  T. 
  A. 
  Chapman, 
  M.D., 
  F.R.S. 
  '. 
  

  

  Addendum 
  to 
  Dr. 
  Chester 
  Crampton's 
  paper 
  

  

  Addendum 
  to 
  Mr. 
  H. 
  E. 
  Andrewes' 
  Note 
  on 
  Bonelli's 
  

   "Tableau 
  Synoptique 
  " 
  ... 
  

  

  404 
  

   415 
  

   420 
  

  

  431 
  

  

  435 
  

  

  443 
  

  

  450 
  

   466 
  

  

  467 
  

  

  Proceedings 
  for 
  1919 
  

   Annual 
  Meeting 
  ... 
  

   Balanc 
  J 
  Sheet 
  

   President's 
  Address 
  

   General 
  Index 
  

   Special 
  Index 
  

   Errata 
  

  

  EXPLANATION 
  OF 
  PLATES, 
  TRANSACTIONS. 
  

  

  Plates 
  I-V 
  

   Plates 
  VI-X 
  

   Plates 
  XI-XV 
  

   Plate 
  XVI 
  

   Plate 
  XVII 
  

   Plates 
  XVIII-XIX 
  

  

  See 
  page 
  

  

  397 
  

  

  PROCEEDINGS. 
  

  

  Plate 
  A. 
  

   Plate 
  B. 
  

   Sketch 
  Map 
  

  

  See 
  page 
  xv. 
  

   „ 
  xlv. 
  

   „ 
  Ixxxix. 
  

  

  