﻿PliATES 
  II-VI, 
  CALOPTENUS 
  AND 
  OEDIPODA; 
  

   PLATE 
  VIII, 
  ANABRUS. 
  

  

  PLATE 
  II. 
  

  

  Pig. 
  1. 
  — 
  Section 
  through 
  the 
  abdomen 
  of 
  a 
  female 
  at 
  the 
  level 
  of 
  the 
  posterior 
  part 
  of 
  

   ventricle. 
  D., 
  Dorsal 
  arch 
  ; 
  V., 
  ventral 
  arch 
  ; 
  Ov., 
  ovary 
  ; 
  Ovd., 
  blind 
  end 
  

   of 
  oviduct; 
  Ut., 
  uterus; 
  Tr., 
  trachea; 
  art, 
  articulation 
  between 
  dorsal 
  

   and 
  ventral 
  arches 
  ; 
  St., 
  stomach. 
  

  

  Fiq, 
  2.— 
  Section 
  through 
  the 
  abdomeu 
  of 
  a 
  male 
  at 
  the 
  level 
  of 
  the 
  colon. 
  D., 
  dorsal 
  

   arch; 
  V., 
  ventral 
  arch; 
  art., 
  articulation 
  between 
  the 
  two 
  arches; 
  Tr., 
  

   tracheae; 
  Te., 
  testes; 
  col, 
  colon; 
  r. 
  m., 
  respiratory 
  muscle 
  ; 
  V. 
  sem., 
  ves- 
  

   icular 
  seminales. 
  

  

  Fig. 
  3. 
  — 
  Section 
  of 
  cuticula 
  of 
  abdomen. 
  Letters 
  as 
  before. 
  

  

  Fig. 
  4. 
  — 
  Section 
  of 
  cuticula, 
  p. 
  p., 
  pore 
  canals; 
  h. 
  li.', 
  cuticular 
  hairs. 
  

  

  Fig. 
  5.— 
  Transverse 
  section 
  of 
  wing 
  muscles. 
  

  

  Fig. 
  6.— 
  Part 
  of 
  transverse 
  section 
  of 
  abdomen 
  to 
  show 
  the 
  respiratory 
  muscle 
  r, 
  m. 
  ; 
  

   D., 
  dorsal 
  arch; 
  V., 
  ventral 
  arch; 
  art., 
  articular 
  membrane 
  ; 
  Ep., 
  epider- 
  

   mis; 
  cu., 
  cuticula; 
  h., 
  hairs; 
  conn., 
  connective 
  tissue. 
  

  

  Fig. 
  7. 
  — 
  Fine 
  tracheae 
  of 
  rectum 
  ; 
  n.', 
  triangular 
  nucleus 
  in 
  fork. 
  

  

  Fig. 
  8. 
  — 
  Tracheal 
  branchlet. 
  

  

  Fig. 
  9. 
  — 
  Bundle 
  of 
  striated 
  muscle 
  from 
  the 
  head. 
  

  

  Fig. 
  10. 
  — 
  Spiral 
  trachea 
  of 
  malpighian 
  vessel. 
  

  

  Fig. 
  11.— 
  Diagrammatic 
  section 
  of 
  last 
  ventral 
  ganglion; 
  D. 
  B., 
  dorsal 
  roots; 
  V. 
  R. 
  f 
  

   ventral 
  roots 
  ; 
  G. 
  Z., 
  ganglion 
  cells. 
  

  

  Fig. 
  12. 
  — 
  Ramification 
  of 
  tracheae 
  in 
  muscles 
  ; 
  x, 
  fine 
  terminations. 
  

  

  Fig. 
  13. 
  — 
  Ramification 
  of 
  tracheae 
  on 
  the 
  ovary. 
  

  

  