﻿88 
  

  

  The 
  " 
  Biology 
  of 
  Dragonflies," 
  by 
  K. 
  J. 
  Tillyard, 
  M.A., 
  B.Sc, 
  pp. 
  

   xii. 
  + 
  898, 
  with 
  4 
  plates 
  and 
  188 
  text 
  figures; 
  for 
  those 
  interested 
  

   in 
  the 
  Odonata 
  or 
  Paraneuroptera, 
  it 
  is 
  invaluable, 
  as 
  it 
  provides 
  a 
  

   trustworthy 
  guide 
  to 
  the 
  external 
  and 
  internal 
  structure 
  of 
  dragon- 
  

   flies, 
  at 
  various 
  stages 
  of 
  their 
  life-histories. 
  

  

  Dr. 
  E. 
  C. 
  L. 
  Perkins 
  has 
  discovered 
  several 
  new 
  species 
  of 
  Stylnps, 
  

   and 
  describes 
  the 
  changes 
  brought 
  about 
  by 
  stylopization. 
  See 
  

   "E. 
  M. 
  M.," 
  1918, 
  March, 
  April 
  and 
  May. 
  

  

  Mr. 
  R. 
  A. 
  S. 
  Redmayne 
  mentions 
  the 
  flying 
  of 
  a 
  ? 
  Sataniia 
  

   jmrnnia 
  in 
  the 
  daytime; 
  authors 
  had 
  previously 
  mentioned 
  that 
  it 
  

   only 
  flies 
  at 
  night. 
  

  

  Mr. 
  R. 
  S. 
  Bagnall 
  has 
  found, 
  at 
  Torquay, 
  a 
  new 
  Campodea 
  

   (C 
  devonienais). 
  

  

  Dr. 
  Chapman, 
  F.R.S., 
  has 
  succeeded 
  in 
  breeding 
  through 
  all 
  its 
  

   stages' 
  Lycaena 
  alcon 
  in 
  ants' 
  nests. 
  This 
  is 
  another 
  triumph 
  for 
  

   him. 
  He 
  has 
  also 
  added 
  two 
  new 
  species 
  of 
  [.tjcaenula 
  to 
  the 
  fauna 
  

   of 
  Europe. 
  

  

  In 
  the 
  " 
  Trans. 
  Ent. 
  Soc. 
  London," 
  for 
  1917, 
  Pt. 
  1, 
  a 
  former 
  

   member 
  of 
  our 
  Society, 
  Mr. 
  P. 
  A. 
  Buxton, 
  has 
  written 
  on 
  the 
  

   " 
  Frotocerebrum 
  of 
  Microjiterj/.c 
  {Erincejilnda) 
  calthella," 
  the 
  

   smallest 
  insect 
  of 
  which 
  the 
  brain 
  has 
  been 
  investigated 
  in 
  any 
  

   detail. 
  As 
  is 
  well 
  known, 
  most 
  entomologists 
  regard 
  Ericcephala 
  

   as 
  a 
  primitive 
  Lepidopteron, 
  though 
  there 
  is 
  really 
  quite 
  as 
  good 
  

   ground 
  for 
  regarding 
  it 
  as 
  a 
  Trichopteron. 
  

  

  Dr. 
  Chapman 
  has 
  raised 
  Micmptoijx 
  to 
  ordinal 
  rank 
  (Order 
  

   Zemfoptera). 
  "Trans. 
  Ent. 
  Soc. 
  Lond.," 
  1916, 
  pp. 
  310-14. 
  

  

  There 
  has 
  also 
  been 
  read 
  before 
  the 
  same 
  Society, 
  a 
  very 
  good 
  

   Paper 
  on 
  " 
  The 
  Eyes 
  of 
  Butterflies," 
  by 
  Dr. 
  Eltringham, 
  which 
  

   no 
  doubt 
  will 
  be 
  studied 
  with 
  great 
  interest 
  when 
  it 
  is 
  published. 
  

  

  I 
  now 
  come 
  to 
  the 
  chief 
  part 
  of 
  my 
  address. 
  I 
  thought 
  as 
  a 
  

   subject, 
  that 
  would 
  not 
  be» 
  unacceptable 
  in 
  the 
  times 
  we 
  are 
  

   passing 
  through, 
  that 
  Economic 
  Entomology 
  and 
  its 
  bearings 
  

   on 
  our 
  nation, 
  would 
  be 
  an 
  interesting 
  as 
  well 
  as 
  a 
  profitable 
  

   topic 
  to 
  take, 
  so 
  many 
  of 
  us, 
  especially 
  those 
  who 
  have 
  taken 
  

   allotments, 
  having 
  been 
  compelled 
  to 
  notice 
  the 
  depredations 
  

   caused 
  by 
  the 
  various 
  insects 
  that 
  damage 
  our 
  crops 
  and 
  garden 
  

   produce. 
  

  

  The 
  late 
  Andrew 
  Murray 
  was 
  one 
  of 
  the 
  first 
  to 
  write 
  on 
  the 
  

   subject, 
  and 
  his 
  volume 
  " 
  Aptera," 
  published 
  in 
  1878, 
  on 
  Economic 
  

   Entomology 
  is 
  useful, 
  but 
  describes 
  wingless 
  forms 
  of 
  insects 
  only. 
  

  

  