﻿157 
  — 
  

  

  bear 
  is 
  pale 
  and 
  iiniiMrkcd, 
  the 
  liair 
  is 
  commonly 
  dark 
  brown, 
  the 
  bod)^ 
  

   beneath 
  it 
  often 
  witn 
  flusky 
  stripes. 
  In 
  llie 
  salt-marsh 
  caterpillar 
  the 
  

  

  Fig. 
  84. 
  Faces 
  of 
  woolly 
  bear 
  larva;: 
  u, 
  b. 
  The 
  Salt-Marsh 
  Caterpillar, 
  Leucarctia 
  acnea, 
  showing: 
  

   variation 
  in 
  extent 
  of 
  black 
  coloring; 
  c. 
  The 
  Hedge-hog 
  Caterpillar, 
  Pyrrharctia 
  Isabella: 
  d, 
  The- 
  

   Yellow 
  Bear, 
  Spilosoina 
  Z'irginica. 
  

  

  head 
  is 
  more 
  or 
  less 
  black, 
  the 
  hair 
  is 
  commonly 
  dark 
  brown, 
  and 
  the 
  

  

  body 
  is 
  blackish, 
  with 
  

   pale 
  lateral 
  and 
  medio- 
  

   dorsal 
  stripes. 
  Both 
  

   these 
  species 
  hibernate 
  

   in 
  the 
  pupa 
  stage. 
  When 
  

   quite 
  young 
  the 
  larv» 
  

   merely 
  eat 
  the 
  surface 
  of 
  

   the 
  leaves, 
  but 
  when 
  

   older 
  they 
  make 
  large 
  

   holes. 
  When 
  one 
  of 
  the 
  

   woolly 
  bears 
  is 
  full 
  

   grown 
  it 
  seeks 
  a 
  conven- 
  

   ient 
  shelter, 
  makes 
  rath- 
  

   er 
  a 
  thick 
  cocoon 
  of 
  the 
  

   hairs 
  of 
  its 
  coat 
  inter- 
  

   woven 
  with 
  coarse 
  silk, 
  and 
  transforms 
  within 
  this 
  to 
  a 
  dark 
  brown 
  

   chrysalis. 
  The 
  pupa 
  of 
  the 
  hedge-hog 
  caterpillar 
  bears 
  some 
  tufts 
  of 
  

   golden 
  bristles, 
  and 
  its 
  tawny 
  cocoon 
  is 
  often 
  found 
  on 
  old 
  boards. 
  

  

  

  Fig. 
  85. 
  The 
  Yellow 
  Bear, 
  Spilosoina 
  7'irginica: 
  a, 
  lar\ 
  

   /', 
  pupa; 
  c, 
  adult. 
  

  

  