﻿Histology 
  of 
  fJic 
  Seenl-organs 
  in, 
  the 
  Ocims 
  Iljfdroplila. 
  '1 
  20 
  

  

  It 
  \h 
  hoped 
  l.liiU. 
  ill 
  I. 
  lie 
  (lomsc 
  (»!' 
  (iiiic 
  oilier 
  species 
  lliiiii 
  

   tliosc- 
  so 
  liir 
  cxiiiuiiuMl 
  will 
  he 
  uviiiiiihle. 
  Mi'. 
  Mosely 
  hits 
  

   ill 
  his 
  colleclioii 
  two 
  examples 
  of 
  //. 
  pidclincoriiis 
  l*ic.t., 
  

   hut 
  heyoiul 
  the 
  fiiet 
  that 
  this 
  speeies 
  has 
  hhiek 
  hnishes 
  

   reseinl)lin<>; 
  those 
  in 
  //. 
  femomlis 
  ho 
  has 
  iiol. 
  Ix'eii 
  able 
  lo 
  

   oxaiiiiiie 
  them 
  more 
  eritic.iilly. 
  ^Phere 
  Jiic 
  oilier 
  I'litish 
  

   spt^r.ies 
  and 
  several 
  not 
  so 
  I'ar 
  I'oiind 
  in 
  Uritain, 
  and 
  doiihtless 
  

   many 
  new 
  rornis 
  still 
  undiscovered, 
  lint 
  lew 
  collectors 
  

   are 
  intereslcd 
  in 
  these 
  siniiJI 
  Jind 
  inconspicnoiis 
  insects. 
  

   Now 
  that 
  Mr. 
  IVlosely's 
  discovery 
  has 
  revealed 
  their 
  curious 
  

  

  ¥ 
  

  

  A 
  — 
  

  

  Fia. 
  2. 
  — 
  TTi/drojdila 
  occitlla. 
  Sooiion 
  of 
  lol)c. 
  

   ac.,. 
  Andmooniii 
  of 
  soirdiul 
  (,iif(;. 
  m... 
  Mombriiiid 
  of 
  (lil,(,o. 
  H. 
  WrVww- 
  

   liiloil 
  IImhiic 
  ac. 
  Aiidiodoiiia 
  of 
  Hfc^ondiiry 
  ImiihIi. 
  m. 
  Mciiibrimo 
  

   of 
  (liM.o 
  ImiihIi 
  l)n,fj;. 
  ys. 
  < 
  llaiidiilarHnhHtiirKui. 
  k. 
  llairH 
  of 
  ptimiii-y 
  

   IhiihIi. 
  ( 
  Li'iij^fcli 
  of 
  Hcolion 
  -OT^ 
  iniii.) 
  

  

  and 
  intorostino 
  j"(>,atures 
  collectors 
  will 
  have- 
  a, 
  new 
  in- 
  

   centive 
  to 
  scourc 
  examples. 
  

  

  In 
  ease 
  this 
  paper 
  should 
  he 
  read 
  hy 
  any 
  one 
  Intvino 
  

   .faciliti(\s 
  for 
  securiiio 
  further 
  material, 
  it 
  should 
  he 
  noted 
  

   that, 
  dry 
  specinu^ns 
  an; 
  iisehus 
  for 
  (d)servatioii. 
  They 
  

   should 
  he 
  drop])ed 
  aJive 
  into 
  a, 
  stroiio' 
  solution 
  of 
  hicthloride 
  

   of 
  mer(Miry 
  in 
  distilled 
  water, 
  to 
  which 
  has 
  heen 
  added 
  

   about 
  haJf 
  its 
  bulk 
  of 
  9(» 
  per 
  cent, 
  alcohol, 
  and 
  about 
  ! 
  per 
  

   cent, 
  of 
  acetic 
  acid. 
  Aft>er 
  a 
  few 
  hours 
  in 
  this 
  they 
  should 
  

   be 
  transfcrnMl 
  t-o 
  clean 
  90 
  pcu- 
  ccMit. 
  alcohol. 
  

  

  On 
  the 
  |)aoe, 
  faciiio 
  the 
  plate 
  I 
  liav(! 
  oJV(!n 
  \\u\ 
  actual 
  

   sizK^s 
  of 
  the 
  various 
  parts 
  fioiued. 
  A 
  certain 
  combination 
  

   of 
  ol)je(!tiv(^ 
  and 
  eyepieces 
  may 
  j^ive 
  a, 
  defiiiit-ci 
  maonificaiion, 
  

   bill 
  wlien 
  a, 
  (i;j;ure 
  has 
  been 
  dra,wii 
  therefrom 
  the 
  size 
  of 
  t.he 
  

  

  