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  Oxford 
  University 
  Museums, 
  with 
  Descriptions 
  of 
  new 
  Genera 
  

   and 
  Species," 
  by 
  Alan 
  P. 
  Dodd. 
  

  

  " 
  The 
  Scent-scale 
  of 
  Pinacopteryx 
  liliaua, 
  Grose-Smith," 
  by 
  

   F. 
  A. 
  DixEY, 
  M.A., 
  M.D., 
  F.R.S., 
  etc. 
  

  

  Dr. 
  DixEY 
  exhibited 
  a 
  large-sized 
  model 
  of 
  the 
  scent-scale 
  

   in 
  illustration 
  of 
  his 
  paper, 
  of 
  which 
  the 
  following 
  is 
  an 
  

   abstract 
  : 
  — 
  

  

  The 
  outline 
  of 
  the 
  lamina 
  of 
  this 
  scale 
  is 
  like 
  that 
  of 
  a 
  

   chemist's 
  thin 
  glass 
  flask. 
  At 
  the 
  junction 
  of 
  the 
  neck 
  with 
  

   the 
  body 
  of 
  the 
  flask 
  there 
  is 
  an 
  oval 
  or 
  circular 
  area, 
  which 
  

   under 
  a 
  low 
  power 
  of 
  the 
  microscope 
  appears 
  dark 
  by 
  trans- 
  

   mitted 
  light, 
  and 
  contains 
  a 
  highly 
  refracting, 
  roughly 
  circular 
  

   patch 
  in 
  the 
  middle. 
  This 
  appearance 
  is 
  seen 
  in 
  sections 
  of 
  

   the 
  scale, 
  made 
  by 
  Dr. 
  Eltringham, 
  to 
  be 
  due 
  to 
  the 
  presence 
  

   of 
  a 
  definite 
  body, 
  fusiform 
  in 
  both 
  longitudinal 
  and 
  transverse 
  

   section, 
  staining 
  readily 
  with 
  " 
  light-green 
  " 
  (Griibler) 
  or 
  

   safranin, 
  and 
  in 
  contact 
  with 
  the 
  upper 
  layer 
  of 
  the 
  scale. 
  

   In 
  the 
  region 
  of 
  this 
  body, 
  which 
  Dr. 
  Eltringham 
  suggests 
  

   may 
  be 
  a 
  mass 
  of 
  dried 
  secretion, 
  the 
  two 
  layers 
  of 
  the 
  scale 
  

   separate, 
  leaving 
  a 
  clear 
  space 
  between 
  the 
  body 
  itself 
  and 
  the 
  

   lower 
  layer. 
  The 
  footstalk 
  of 
  the 
  scale 
  makes 
  a 
  sharp 
  bend 
  

   between 
  the 
  base 
  of 
  the 
  lamina 
  and 
  the 
  accessory 
  disc. 
  It 
  

   appears 
  to 
  arise 
  from 
  the 
  latter 
  on 
  the 
  surface 
  adjacent 
  to 
  the 
  

   wing-membrane. 
  Nearly 
  opposite 
  to 
  its 
  point 
  of 
  insertion, 
  

   and 
  on 
  the 
  other 
  side 
  of 
  the 
  disc, 
  there 
  is 
  a 
  beaded 
  chitinous 
  

   ring 
  surrounding 
  an 
  oval 
  or 
  circular 
  aperture. 
  The 
  sockets 
  

   belonging 
  to 
  the 
  scent-scales 
  are 
  easily 
  distinguished 
  from 
  those 
  

   of 
  the 
  ordinary 
  scales 
  by 
  their 
  large 
  size 
  and 
  peculiar 
  shape. 
  

   Their 
  outer 
  lip 
  ends 
  in 
  a 
  row 
  of 
  minute 
  spines. 
  The 
  disc 
  

   articulates 
  with 
  the 
  socket 
  by 
  the 
  middle 
  portion 
  of 
  its 
  proximal 
  

   margin, 
  the 
  greater 
  part 
  of 
  the 
  disc 
  being 
  outside 
  tlie 
  socket. 
  

  

  Further 
  light 
  would 
  no 
  doubt 
  be 
  thrown 
  on 
  these 
  structures 
  

   by 
  the 
  examination 
  of 
  material 
  properly 
  prepared 
  in 
  the 
  

   fresh 
  condition. 
  It 
  is 
  hoped 
  that 
  before 
  long 
  this 
  may 
  be 
  

   obtained. 
  

  

  The 
  life-history 
  of 
  Mosquitoes. 
  

  

  Mr. 
  A. 
  W. 
  Bacot, 
  at 
  the 
  request 
  of 
  the 
  Council, 
  exhibited 
  

   with 
  the 
  Epidiascope 
  a 
  number 
  of 
  slides 
  illustrating 
  the 
  life- 
  

   history 
  of 
  Culex 
  and 
  Anopheles, 
  including 
  every 
  stage 
  of 
  insects 
  

  

  