﻿828 
  PROCEEDINGS 
  OF 
  THE 
  CALIFORNIA 
  

  

  Abundant 
  in 
  Lower 
  California, 
  and 
  occasionally 
  straying 
  beyond 
  the 
  border. 
  

   It 
  has 
  been 
  taken 
  on 
  several 
  occasions 
  in 
  the 
  foothills 
  near 
  San 
  Diego. 
  

  

  Jrgynnis 
  myrincc. 
  Cram. 
  

  

  This 
  species, 
  which 
  occurs 
  somewhat 
  abundantly 
  in 
  Alaska 
  aiid 
  British 
  Co- 
  

   lumbia, 
  has 
  been 
  reared 
  from 
  the 
  Qgg 
  by 
  Mr. 
  Sanders, 
  who 
  thus 
  describes 
  its 
  

   various 
  stages 
  : 
  

  

  " 
  Egg. 
  Pale 
  green, 
  elongated, 
  shaped 
  sometliing 
  like 
  an 
  acorn, 
  with 
  the 
  

   base 
  smooth, 
  convex, 
  and 
  the 
  circumference 
  striated 
  longitudinally, 
  with 
  about 
  

   fourteen 
  raised 
  strias, 
  which 
  are 
  linear 
  and 
  smooth 
  ; 
  the 
  spaces 
  between 
  are 
  about 
  

   three 
  times 
  wider 
  than 
  thestrifE, 
  depressed, 
  concave 
  in 
  the 
  middle, 
  and 
  ribbed 
  

   by 
  a 
  number 
  of 
  cro?s-lines, 
  flfteen 
  to 
  twenty 
  between 
  each 
  striae, 
  and 
  distinctly 
  

   indented. 
  The 
  G^g 
  is 
  contracted 
  at 
  the 
  ape.x,the 
  striaa 
  protruding 
  at 
  the 
  tip 
  a 
  

   little 
  beyond 
  the 
  body 
  of 
  the 
  egg. 
  The 
  eggs 
  were 
  deposited 
  June 
  24th, 
  and 
  

   hatched 
  in 
  six 
  or 
  seven 
  days. 
  AVhen 
  fresh 
  from 
  the 
  egg. 
  the 
  larvae 
  were 
  about 
  

   one-tenth 
  of 
  an 
  inch 
  long. 
  

  

  "Larva 
  (young). 
  Head 
  medium-sized, 
  black, 
  and 
  shining 
  ; 
  the 
  body 
  above 
  

   is 
  dark 
  brown, 
  with 
  transverse 
  lines 
  of 
  a 
  paler 
  color, 
  especially 
  on 
  the 
  anterior 
  

   segments 
  ; 
  it 
  is 
  thickly 
  covered 
  with 
  short 
  hairs 
  of 
  a 
  pale 
  brownish 
  color. 
  Be- 
  

   tween 
  the 
  first 
  and 
  second 
  moult 
  it 
  is 
  one-fourth 
  of 
  an 
  inch 
  long. 
  The 
  head 
  is 
  

   bilobed, 
  shining, 
  black, 
  and 
  hairy, 
  and 
  the 
  body 
  above 
  is 
  greenish 
  black, 
  the 
  

   greenish 
  tinge 
  most 
  apparent 
  on 
  the 
  second 
  and 
  third 
  segments, 
  with 
  a 
  few 
  small 
  

   yellowish 
  dots 
  along 
  each 
  side, 
  and 
  transverse 
  rows 
  of 
  strongly 
  elevated, 
  black 
  

   tubercles, 
  emitting 
  numerous 
  short, 
  black, 
  hair-like 
  spines. 
  The 
  under 
  surface 
  

   is 
  similar 
  to 
  the 
  upper 
  ; 
  the 
  feet 
  are 
  black 
  and 
  shining, 
  and 
  the 
  prolegs 
  are 
  

   black, 
  tipped 
  with 
  a 
  paler 
  hue. 
  After 
  the 
  second 
  moult, 
  there 
  are 
  two 
  fleshy 
  tu- 
  

   bercles 
  on 
  the 
  second 
  segment 
  much 
  longer 
  than 
  the 
  others, 
  which 
  are 
  covered 
  

   throughout 
  with 
  small, 
  hair-like 
  spines. 
  The 
  yellowish 
  spots 
  along 
  the 
  sides 
  of 
  

   the 
  body 
  assume 
  more 
  of 
  an 
  orange 
  tint, 
  and 
  there 
  are 
  one 
  or 
  two 
  faint 
  longitu- 
  

   dinal 
  streaks 
  of 
  the 
  same 
  color 
  along 
  the 
  sides 
  close 
  to 
  the 
  under 
  surface;, 
  and 
  

   between 
  the 
  rows 
  of 
  large 
  raised 
  tubercles 
  are 
  many 
  smaller 
  ones, 
  which 
  are 
  

   also 
  black, 
  and 
  appear 
  but 
  slightly 
  raised. 
  

  

  ''Larva 
  (full 
  grown). 
  Head, 
  slightly 
  bilobed, 
  black, 
  shining, 
  and 
  covered 
  with 
  

   short, 
  fine, 
  black 
  hairs. 
  The 
  body 
  above 
  is 
  dark 
  grayish-brown, 
  beautifully 
  

   spotted 
  and 
  dotted 
  with 
  deep, 
  velvety 
  black 
  ; 
  the 
  second 
  segment 
  has 
  two 
  long, 
  

   fleshy 
  horns, 
  yellowish 
  white 
  at 
  the 
  base, 
  black 
  above, 
  covered 
  with 
  minute, 
  

   blackish, 
  hair-like 
  spines. 
  The 
  third 
  and 
  fourth 
  segments 
  have 
  each 
  four 
  whit- 
  

   ish 
  spines, 
  tipped 
  with 
  black, 
  those 
  on 
  the 
  sides 
  placed 
  on 
  the 
  anterior 
  portion 
  of 
  

   thesegment, 
  those 
  above, 
  about 
  the 
  middle. 
  All 
  the 
  other 
  segments 
  have 
  six 
  

   whitish 
  spines, 
  except 
  the 
  terminal 
  one, 
  which 
  has 
  four. 
  All 
  the 
  spines 
  have 
  

   five 
  branches, 
  ot 
  a 
  black 
  or 
  brownish-black 
  color, 
  and 
  one 
  about 
  one-third 
  the 
  

   length 
  of 
  the 
  fleshy 
  horns 
  on 
  the 
  second 
  segment. 
  A 
  pale 
  Hue 
  extends 
  along 
  

   each 
  side, 
  from 
  the 
  fifth 
  to 
  the 
  terminal 
  segments, 
  close 
  to 
  the 
  under 
  surface. 
  

   The 
  under 
  side 
  is 
  brownish-black, 
  darker 
  on 
  the 
  anterior 
  segments; 
  feet 
  black 
  

  

  