﻿118 
  THE 
  ZOOLOGIST. 
  

  

  the 
  under 
  side 
  of 
  the 
  web, 
  into 
  which 
  a 
  number 
  of 
  ova 
  are 
  exuded, 
  

   this 
  act 
  occupying 
  about 
  five 
  minutes. 
  After 
  resting 
  awhile 
  the 
  Spider 
  

   begins 
  moving 
  round 
  the 
  egg-mass, 
  touching 
  lightly 
  here 
  and 
  there 
  

   with 
  the 
  spinnerets. 
  In 
  a 
  short 
  while 
  a 
  globular 
  cocoon 
  is 
  formed, 
  

   about 
  the 
  same 
  size 
  as 
  that 
  made 
  by 
  Dolomedes 
  mirabilis, 
  viz. 
  about 
  

   one-third 
  of 
  an 
  inch. 
  The 
  ova 
  are 
  pale 
  yellow 
  ; 
  the 
  ovum-cocoon 
  is, 
  

   when 
  freshly 
  made, 
  white, 
  but 
  after 
  awhile 
  becomes 
  brownish. 
  In 
  the 
  

   natural 
  state 
  the 
  cocoon 
  is 
  often 
  covered 
  with 
  rubbish, 
  viz. 
  the 
  remains 
  

   of 
  insects, 
  &c. 
  The 
  ova 
  are 
  hatched 
  in 
  about 
  forty-five 
  to 
  fifty 
  days. 
  

   T. 
  Edward 
  Belcher 
  (24, 
  Clephane 
  Road, 
  Canonbury, 
  N.). 
  

  

  BIBLIOGRAPHY. 
  

  

  Proposed 
  General 
  Index 
  to 
  ' 
  The 
  Zoologist.' 
  — 
  Of 
  recent 
  years 
  I 
  have 
  

   had 
  occasion 
  to 
  continually 
  refer 
  to 
  many 
  of 
  the 
  old 
  volumes 
  of 
  ' 
  The 
  

   Zoologist.' 
  In 
  so 
  doing 
  I 
  have 
  found 
  that 
  the 
  absence 
  of 
  a 
  continuous 
  

   index 
  is 
  a 
  great 
  drawback. 
  Each 
  yearly 
  volume 
  has 
  been 
  indexed 
  

   separately, 
  but 
  there 
  is 
  no 
  index 
  to 
  the 
  whole 
  series, 
  which 
  now 
  consists 
  

   of 
  over 
  sixty 
  volumes. 
  To 
  find 
  a 
  reference 
  by 
  hunting 
  through 
  all 
  the 
  

   yearly 
  indexes 
  is 
  a 
  work 
  which 
  entails 
  great 
  labour 
  and 
  much 
  loss 
  of 
  

   time 
  and 
  temper. 
  Moreover, 
  the 
  indexes 
  of 
  some 
  of 
  the 
  earlier 
  volumes 
  

   are 
  not 
  so 
  full 
  as 
  could 
  be 
  desired, 
  and 
  require 
  a 
  considerable 
  amount 
  

   of 
  revision. 
  It 
  therefore 
  seems 
  to 
  me 
  that 
  the 
  time 
  has 
  arrived 
  for 
  the 
  

   publication 
  of 
  an 
  entirely 
  new 
  index 
  to 
  the 
  first 
  sixty 
  volumes 
  of 
  ' 
  The 
  

   Zoologist,' 
  i. 
  e. 
  1843 
  to 
  1902, 
  and 
  I 
  am 
  writing 
  this 
  letter 
  with 
  the 
  

   object 
  of 
  ascertaining 
  to 
  what 
  extent 
  my 
  view 
  on 
  this 
  matter 
  is 
  shared 
  

   in 
  by 
  readers 
  of 
  ' 
  The 
  Zoologist' 
  and 
  students 
  of 
  natural 
  history. 
  The 
  

   question 
  what 
  form 
  the 
  index 
  should 
  take 
  is 
  a 
  subject 
  on 
  which 
  

   I 
  should 
  be 
  glad 
  to 
  have 
  some 
  expression 
  of 
  opinion. 
  It 
  has 
  occurred 
  

   to 
  me 
  that 
  the 
  best 
  method 
  would 
  be 
  to 
  have 
  an 
  index 
  of 
  subjects 
  — 
  

   for 
  instance, 
  an 
  index 
  containing 
  all 
  the 
  references 
  to 
  birds 
  might 
  be 
  

   first 
  published, 
  and 
  might 
  be 
  followed 
  by 
  other 
  volumes 
  on 
  mammals, 
  

   fishes, 
  insects, 
  &e. 
  The 
  method 
  I 
  suggest 
  for 
  compiling 
  the 
  index 
  

   may 
  be 
  seen 
  from 
  the 
  following 
  examples, 
  which 
  I 
  have 
  taken 
  from 
  

   the 
  volumes 
  for 
  1843, 
  1844, 
  1845. 
  As 
  the 
  numbering 
  of 
  the 
  sixty 
  

   volumes 
  of 
  ' 
  The 
  Zoologist' 
  from 
  1843 
  to 
  1902 
  is 
  not 
  continuous, 
  the 
  

   references, 
  I 
  think, 
  ought 
  to 
  be 
  indexed 
  not 
  under 
  the 
  heading 
  of 
  

   the 
  volume, 
  but 
  of 
  the 
  year. 
  A 
  few 
  specimen 
  headings 
  are 
  sub- 
  

   joined 
  : 
  — 
  

  

  