﻿ACADEMY 
  OF 
  SCIENCES. 
  325 
  

  

  The 
  President 
  communicated 
  the 
  results 
  of 
  some 
  observations 
  on 
  

   the 
  comet, 
  with 
  respect 
  to 
  its 
  exact 
  position, 
  stating 
  that 
  he 
  had 
  

   made 
  observations 
  for 
  its 
  position 
  on 
  the 
  28th 
  of 
  June 
  and 
  2d 
  of 
  

   July. 
  The 
  approximate 
  position 
  on 
  the 
  latter 
  date 
  was, 
  Right 
  As- 
  

   cension, 
  7 
  h. 
  SSi 
  m. 
  and 
  68° 
  59' 
  north 
  dechnation. 
  

  

  Pacific 
  Coast 
  Lepidoptera, 
  No. 
  5— 
  On 
  the 
  Earlier 
  Stages 
  of 
  some 
  

   Species 
  of 
  Diurnal 
  Lepidoptera. 
  

  

  . 
  BY 
  HENRY 
  EDWARDS. 
  

  

  Since 
  the 
  publication 
  of 
  my 
  last 
  paper 
  on 
  this 
  most 
  interesting 
  branch 
  of 
  en- 
  

   tomological 
  research, 
  I 
  have 
  been 
  fortunate 
  enough 
  to 
  make 
  myself 
  acquainted 
  

   with 
  the 
  earlier 
  stages 
  of 
  some 
  of 
  our 
  butterflies, 
  previously 
  unknown 
  to 
  me, 
  and 
  

   have, 
  in 
  addition, 
  received 
  from 
  friends 
  some 
  MS. 
  notes 
  on 
  other 
  species; 
  while 
  

   from 
  various 
  publications 
  I 
  have 
  gleaned 
  a 
  few 
  particulars 
  concerning 
  others 
  

   The 
  whole 
  of 
  this 
  information 
  I 
  have 
  endeavored 
  to 
  place 
  in 
  a 
  concise 
  form 
  before 
  

   the 
  student, 
  and 
  I 
  believe 
  that 
  the 
  present 
  and 
  previous 
  articles 
  will 
  be 
  found 
  to 
  

   contain 
  all 
  the 
  knowledge 
  we 
  possess 
  concerning 
  the 
  earlier 
  stages 
  of 
  our 
  diurnal 
  

   Lepidoptera. 
  It 
  will 
  readily 
  be 
  seen 
  how 
  small 
  is 
  its 
  amount, 
  and 
  how 
  grand 
  a 
  field 
  

   for 
  observation 
  is 
  still 
  open 
  to 
  those 
  who 
  desire 
  to 
  pursue 
  so 
  interesting 
  an 
  inquiry. 
  

   To 
  those 
  living 
  in 
  the 
  country 
  a 
  more 
  agreeable 
  and 
  fascinating 
  amusement 
  can- 
  

   not 
  well 
  be 
  conceived, 
  than 
  tlie 
  watching 
  and 
  rearing 
  the 
  larvae 
  of 
  insects 
  ; 
  and 
  a 
  

   very 
  little 
  practice 
  in 
  the 
  matter 
  will 
  serve 
  to 
  increase 
  its 
  charm, 
  while 
  it 
  will 
  

   make 
  the 
  task 
  more 
  easy, 
  and, 
  at 
  the 
  same 
  time, 
  render 
  almost 
  incalculable 
  ben- 
  

   efit 
  to 
  those 
  scientific 
  observers 
  who, 
  living 
  in 
  cities, 
  have 
  not 
  the 
  time 
  and 
  op- 
  

   portunity 
  at 
  their 
  command 
  to 
  devote 
  to 
  this 
  branch 
  of 
  study. 
  

  

  As 
  previously 
  stated, 
  I 
  shall 
  be 
  happy 
  to 
  afford 
  any 
  information 
  in 
  my 
  power, 
  

   and 
  will 
  at 
  all 
  times 
  gladly 
  award 
  to 
  any 
  who 
  may 
  assist 
  me, 
  all 
  the 
  credit 
  due 
  

   to 
  their 
  discoveries. 
  

  

  Papilio 
  Daunus. 
  

  

  Chrysalis. 
  General 
  shape 
  the 
  same 
  as 
  Rutidus 
  and 
  Eunjmedon, 
  but 
  a 
  little 
  

   shorter 
  and 
  stouter 
  proportionately, 
  and 
  considerably 
  darker 
  in 
  color, 
  which 
  is 
  

   dark 
  greenish-drab, 
  with 
  the 
  dorsal 
  region 
  broadly 
  and 
  distinctly 
  shaded 
  with 
  black. 
  

   The 
  mesonotal 
  process 
  is 
  very 
  rough, 
  and 
  the 
  antennal 
  cases 
  decidedly 
  black. 
  

   The 
  wing 
  cases 
  are 
  streaked 
  with 
  blackish-brown. 
  The 
  head 
  is 
  marked 
  with 
  a 
  

   broad, 
  fawn-colored 
  patch, 
  and 
  a 
  streak 
  of 
  the 
  same 
  color 
  is 
  along 
  each 
  side 
  of 
  

   the 
  abdomen, 
  indicating 
  the 
  pale 
  yellow 
  stripes 
  on 
  each 
  side 
  of 
  the 
  body 
  of 
  the 
  

   imago. 
  

  

  Length, 
  l.GO 
  inch. 
  

  

  I 
  regret 
  to 
  be 
  able 
  to 
  add 
  little 
  with 
  reference 
  to 
  the 
  larval 
  state 
  of 
  this 
  beau- 
  

   tiful 
  insect. 
  I 
  am 
  informed 
  by 
  Mr. 
  W. 
  T. 
  Eaves, 
  of 
  Virginia 
  City, 
  (to 
  whom 
  I 
  am 
  

   indebted 
  for 
  a 
  number 
  of 
  specimens 
  of 
  the 
  chrysalis) 
  that 
  the 
  caterpillar 
  is 
  dull 
  

   green, 
  with 
  some 
  yellowish 
  stripes, 
  and 
  that 
  it 
  feeds 
  upon 
  a 
  species 
  of 
  wild 
  

  

  