﻿ACADEMY 
  OF 
  SCIENCES, 
  167 
  

  

  the 
  third 
  segment 
  arc 
  some 
  small 
  golden 
  points, 
  and 
  behind 
  the 
  middle 
  is 
  a 
  

   semicircle 
  of 
  gold, 
  bordered 
  below 
  by 
  a 
  range 
  of 
  small, 
  black 
  dots. 
  

  

  Melitcea 
  chalcedon. 
  Bois. 
  

  

  Larva. 
  Velvety 
  black, 
  finely 
  irrorated 
  with 
  white. 
  From 
  third 
  segment 
  to 
  

   last, 
  seven 
  rows 
  of 
  thick, 
  many-branched 
  spines, 
  the 
  dorsal 
  row 
  orange, 
  the 
  

   others 
  blue-black, 
  those 
  of 
  second 
  lateral 
  row 
  rising 
  from 
  tuberculated 
  orange 
  

   spots. 
  

  

  Head 
  black, 
  bilobed, 
  compressed, 
  furnished 
  with 
  simple 
  black 
  spines. 
  Feet 
  

   and 
  prolegs 
  black. 
  Under 
  side 
  of 
  body 
  dull 
  flesh 
  colored. 
  

  

  Food 
  plants, 
  Scrophularia 
  Marylandica 
  L., 
  Diplacus 
  glutinosus, 
  Mimulus 
  

   luteus, 
  Loniccra 
  sp., 
  and 
  the 
  various 
  species 
  of 
  Castelejia. 
  

  

  Length, 
  1.05 
  inch. 
  

  

  Chrysalis. 
  Pearl-white, 
  irregularly 
  marked 
  with 
  points 
  and 
  patches 
  of 
  dark 
  

   brown. 
  On 
  the 
  abdominal 
  region 
  are 
  several 
  rows 
  of 
  orange 
  spots, 
  the 
  same 
  

   color 
  appearing 
  in 
  the 
  covering 
  of 
  the 
  wings. 
  

  

  Melitcea 
  Editha. 
  Bois. 
  

  

  Larva. 
  Dull 
  black, 
  with 
  seven 
  rows 
  of 
  many-branched 
  spines, 
  all 
  of 
  which 
  

   have 
  a 
  bluish 
  tint. 
  Those 
  of 
  the 
  second 
  lateral 
  row 
  arise 
  from 
  tuberculated 
  

   orange 
  spots, 
  as 
  in 
  M. 
  chalcedon, 
  but 
  the 
  dorsal 
  row 
  of 
  orange 
  spines, 
  so 
  char- 
  

   acteristic 
  of 
  that 
  species, 
  is 
  wanting 
  in 
  Editha. 
  Feet 
  and 
  prolegs 
  brown, 
  in- 
  

   clining 
  to 
  a 
  fleshy 
  tinge. 
  

  

  Food 
  plants, 
  Erodium 
  Cicutarium, 
  various 
  species 
  of 
  Trifolium 
  and 
  Viola. 
  

  

  Chrysalis. 
  Cylindrical, 
  shorter 
  and 
  rounder 
  than 
  M. 
  chalcedon. 
  Ground 
  

   color 
  dull 
  cream-white, 
  each 
  segment 
  with 
  a 
  transverse 
  regular 
  row 
  of 
  orange 
  

   spots, 
  bordered 
  anteriorly 
  by 
  blacU 
  dashes. 
  On 
  the 
  wing 
  covers 
  are 
  some 
  broad, 
  

   black, 
  waved 
  lines, 
  and 
  some 
  black 
  patches 
  about 
  the 
  head 
  and 
  thoracic 
  region. 
  

  

  Melitcea 
  palla. 
  Boisd. 
  

  

  Larva. 
  Dull 
  black, 
  with 
  a 
  double 
  dorsal 
  row 
  of 
  orange 
  spots, 
  forming, 
  when 
  

   viewed 
  longitudinally, 
  two 
  interrupted 
  lines. 
  In 
  the 
  spaces 
  between 
  the 
  spots, 
  

   are 
  some 
  irregular 
  white 
  patches. 
  Along 
  the 
  sides 
  are 
  two 
  similar 
  double 
  rows 
  

   of 
  orange 
  blotches, 
  with 
  white 
  spaces 
  about 
  the 
  spiracles. 
  The 
  spiracles 
  them- 
  

   selves 
  are 
  black. 
  Each 
  segment 
  is 
  provided 
  with 
  five 
  rather 
  long 
  spines, 
  from 
  

   each 
  of 
  which 
  project 
  about 
  sixteen 
  or 
  eighteen 
  long 
  black 
  hairs. 
  The 
  base 
  of 
  

   each 
  spine 
  is 
  surrounded 
  by 
  a 
  dirty 
  white 
  ring, 
  and 
  some 
  minute 
  white 
  irrora- 
  

   tions 
  are 
  scattered 
  over 
  the 
  whole 
  upper 
  surface 
  between 
  the 
  spines. 
  

  

  Head 
  rather 
  small, 
  black, 
  very 
  glossy. 
  Feet 
  ash 
  color, 
  banded 
  with 
  black. 
  

  

  Length, 
  1.05 
  inch. 
  

  

  Food 
  plant, 
  Castelejia 
  breviflora. 
  

  

  The 
  caterpillars 
  feed 
  chiefly 
  on 
  the 
  flowers, 
  and 
  are 
  solitary 
  in 
  their 
  habits, 
  

  

  