﻿PLATE 
  IY. 
  

  

  Fig. 
  22. 
  — 
  CEdipoda 
  sordida. 
  Longitudinal 
  section 
  of 
  the 
  uterus 
  ; 
  Gr. 
  t 
  granular 
  layer 
  : 
  

   Ep., 
  epithelium 
  ; 
  conn., 
  tunica 
  propria 
  ; 
  muc, 
  longitudinal 
  muscular 
  coat, 
  

   FlG. 
  23. 
  CEdipoda 
  sordida. 
  Surface 
  view 
  of 
  uterine 
  epithelium. 
  

   Fig. 
  24. 
  Section 
  through 
  the 
  upper 
  part 
  (first 
  segment) 
  of 
  seminiferous 
  tube; 
  Cys. 
  , 
  

  

  walls 
  of 
  the 
  spermatocysts 
  ; 
  Tu., 
  external 
  tunic. 
  

   Fig. 
  25. 
  — 
  Caloptenus 
  spretus. 
  Seminiferous 
  tube, 
  isolated; 
  conn., 
  connective 
  tissue 
  ; 
  I, 
  

   II, 
  III, 
  and 
  IV, 
  the 
  four 
  segments 
  of 
  the 
  tubes. 
  

   . 
  — 
  Young 
  spermatoblast. 
  ,, 
  

  

  . 
  — 
  Spermatoblasts 
  just 
  divided. 
  

   — 
  A, 
  Spermatoblast 
  in 
  process 
  of 
  dividing. 
  

   . 
  — 
  Older 
  spermatoblasts. 
  

   -Transverse 
  section 
  of 
  bundle 
  of 
  young 
  spermatozoa. 
  

   -Transverse 
  section 
  of 
  older 
  bundle. 
  

   -Section 
  of 
  the 
  upper 
  part 
  of 
  a 
  vesicula 
  seminalis. 
  

   . 
  — 
  Epithelium 
  of 
  the 
  upper 
  part 
  of 
  a 
  vesicula 
  seminalis. 
  

  

  . 
  — 
  Transverse 
  section 
  of 
  the 
  ejaculatory 
  duct, 
  Ej., 
  D; 
  Ep. 
  f 
  epithelium; 
  muc, 
  

   circular 
  muscle 
  ; 
  Tr. 
  Tr.', 
  tracheae. 
  

   Fig. 
  34. 
  — 
  Transverse 
  section 
  of 
  the 
  muscular 
  portion 
  of 
  a 
  vesicula 
  seroinalis. 
  

  

  Fig. 
  

  

  26. 
  

  

  Fig. 
  

  

  27. 
  

  

  Fig. 
  

  

  28. 
  

  

  Fig. 
  

  

  29. 
  

  

  Fig. 
  

  

  30. 
  

  

  Fig. 
  

  

  31. 
  

  

  Fig. 
  

  

  32. 
  

  

  Fig. 
  

  

  33. 
  

  

  