﻿125 
  

  

  collection 
  from 
  the 
  Hungarian 
  National 
  Museum. 
  Two 
  species 
  are 
  

   new, 
  namely 
  P. 
  groejilandicu 
  and 
  P. 
  horvathi 
  the 
  former 
  from 
  (ireen- 
  

   land 
  and 
  the 
  latter 
  from 
  Hungary 
  ; 
  their 
  life-history 
  and 
  habits 
  are 
  as 
  

   yet 
  unknown. 
  The 
  species 
  P. 
  hexastigma, 
  Horvath, 
  is 
  of 
  economic 
  

   interest, 
  as 
  it 
  attacks 
  the 
  leaves 
  and 
  fruit 
  of 
  the 
  pear 
  ; 
  its 
  larva 
  is 
  

   unknown. 
  It 
  occurs 
  in 
  Eastern 
  Siberia 
  and 
  Japan. 
  

  

  Sur 
  I'emploi 
  des 
  arsenicaux 
  en 
  agriculture. 
  [The 
  use 
  of 
  arsenicals 
  in 
  

   agriculture]. 
  — 
  Bull. 
  Agric. 
  de 
  VAlghie 
  et 
  de 
  la 
  Tunisie, 
  Algiers, 
  

   xix, 
  no. 
  19, 
  1st 
  Oct. 
  1913, 
  pp. 
  378-380. 
  

  

  The 
  Commission 
  des 
  Substances 
  veneneuses 
  has 
  handed 
  to 
  the 
  Acade- 
  

   mic 
  de 
  Medecine, 
  Paris, 
  their 
  new 
  report 
  on 
  a 
  long-delayed 
  regulation 
  

   to 
  modify 
  that 
  of 
  1846 
  regarding 
  the 
  use 
  of 
  poisons. 
  Part 
  of 
  the 
  

   report 
  deals 
  with 
  arsenicals 
  used 
  in 
  agriculture. 
  Subject 
  to 
  safe- 
  

   guards 
  the 
  Academic 
  authorised, 
  in 
  1910, 
  the 
  use 
  of 
  the 
  potent 
  but 
  

   dangerous 
  arsenical 
  insecticides, 
  with 
  the 
  exception 
  of 
  lead 
  arsenate, 
  

   which 
  had 
  just 
  begun 
  to 
  be 
  employed. 
  Its 
  use 
  is 
  now 
  general, 
  as 
  a 
  

   consequence 
  of 
  its 
  very 
  valuable 
  properties, 
  and 
  it 
  was 
  necessary 
  to 
  

   decide 
  whether 
  to 
  prohibit 
  it, 
  or 
  to 
  permit 
  it 
  under 
  specified 
  rules. 
  

   The 
  report 
  recommends 
  the 
  latter 
  course, 
  pointing 
  out 
  that 
  the 
  U.S. 
  

   Minister 
  of 
  Agriculture 
  specially 
  advises 
  lead 
  arsenate 
  in 
  preference 
  to 
  

   other 
  insecticides, 
  so 
  that 
  the 
  French 
  markets 
  will 
  be 
  flooded 
  with 
  

   foreign 
  produce 
  if 
  the 
  French 
  agriculturist 
  is 
  not 
  provided 
  with 
  weapons 
  

   equal 
  to 
  those 
  of 
  his 
  rivals. 
  Regarding 
  the 
  sale 
  and 
  use 
  of 
  arsenicals, 
  

   especially 
  lead 
  arsenate, 
  the 
  Report 
  expresses 
  the 
  following 
  desiderata 
  — 
  

  

  (1) 
  That 
  the 
  regulations 
  be 
  strictly 
  observed 
  ; 
  (2) 
  that 
  the 
  Minis- 
  

   terial 
  decrees 
  determining 
  the 
  precautions 
  to 
  be 
  taken 
  by 
  users 
  of 
  the 
  

   products 
  and 
  the 
  conditions 
  under 
  which 
  they 
  may 
  be 
  used, 
  be 
  clearly 
  

   and 
  minutely 
  detailed, 
  billed 
  everywhere, 
  and 
  brought 
  to 
  public 
  notice, 
  

   and 
  any 
  infringement 
  severely 
  punished 
  ; 
  all 
  this 
  to 
  be 
  especially 
  

   apphcable 
  to 
  lead 
  arsenate 
  ; 
  (3) 
  that 
  the 
  Government 
  initiate 
  and 
  

   encourage 
  research, 
  with 
  the 
  object 
  of 
  replacing 
  such 
  dangerous 
  insecti- 
  

   cides 
  by 
  methods 
  harmless 
  to 
  man 
  and 
  domestic 
  animals. 
  

  

  In 
  order 
  to 
  prevent 
  food-plants 
  being 
  wetted 
  by 
  drippings 
  from 
  

   trees 
  and 
  vines 
  above 
  them, 
  the 
  Commission 
  propose 
  to 
  introduce 
  a 
  

   clause 
  formally 
  prohibiting 
  the 
  use 
  of 
  arsenicals 
  (or 
  other 
  insecticides 
  

   of 
  Table 
  A 
  of 
  the 
  regulations) 
  for 
  market-gardens 
  and 
  fodder 
  plants. 
  

  

  'Cros 
  (A.). 
  La 
  Mouche 
  de 
  roiivier. 
  [The 
  Ohve 
  Fly.]— 
  5?///. 
  Agric. 
  

   de 
  VAlgerie 
  et 
  de 
  la 
  Tunisie, 
  Algiers, 
  xix, 
  no. 
  22, 
  15th 
  .Nov. 
  1913, 
  

   pp. 
  467-468. 
  

  

  Early 
  in 
  1913 
  the 
  author 
  drew 
  attention 
  to 
  the 
  enormous 
  proportion 
  

   of 
  olives 
  in 
  the 
  neighbourhood 
  of 
  Mascara 
  (Oran, 
  Algeria) 
  attacked 
  by 
  

   Dacus 
  oleae 
  and 
  the 
  presence 
  at 
  the 
  same 
  time 
  of 
  a 
  small 
  Ichneumonid. 
  

   He 
  made 
  a 
  special 
  study 
  of 
  both 
  insects 
  on 
  a 
  completely 
  isolated 
  olive 
  

   tree 
  w^hich 
  was 
  not 
  treated 
  in 
  any 
  Avay 
  against 
  the 
  pest 
  in 
  1912. 
  In 
  

   that 
  year 
  not 
  a 
  single 
  sound 
  olive 
  was 
  obtained, 
  but 
  in 
  September 
  

   1913, 
  though 
  the 
  tree 
  bore 
  well, 
  there 
  was 
  no 
  sign 
  whatever 
  of 
  attack 
  

   by 
  the 
  fly. 
  He 
  attributes 
  this 
  to 
  the 
  activity 
  of 
  the 
  parasite, 
  and 
  

   remarks 
  that 
  had 
  the 
  tree 
  been 
  sprayed, 
  the 
  good 
  results 
  would 
  have 
  

   been 
  attributed 
  to 
  the 
  spray 
  and 
  not 
  to 
  the 
  parasite. 
  The 
  author 
  is 
  

   not 
  altogether 
  satisfied 
  that 
  spraying 
  j^e/' 
  se 
  is 
  entitled 
  to 
  the 
  great 
  

   credit 
  it 
  has 
  obtained. 
  

  

  