﻿PLATE 
  V. 
  

  

  Fig, 
  35. 
  — 
  Transverse 
  section 
  of 
  the 
  kind 
  part 
  of 
  the 
  crop. 
  Ss., 
  spines; 
  rid., 
  ridges; 
  

  

  L., 
  longitudinal 
  j 
  muc 
  C, 
  circular 
  muscles. 
  

   Fig, 
  36. 
  — 
  Section 
  of 
  the 
  ventricular 
  wall; 
  d:, 
  duct 
  of 
  follicle 
  ; 
  cu., 
  cuticula; 
  Ep., 
  epi- 
  

   thelium; 
  con 
  «., 
  connective 
  tissue 
  ; 
  muc, 
  muscles; 
  Tr., 
  tracheae. 
  

   Fig. 
  37. 
  — 
  Transverse 
  section 
  of 
  a 
  diverticulum. 
  Tr., 
  trachea 
  ; 
  muc, 
  circular 
  muscular 
  

  

  coat. 
  

   Fig. 
  38. 
  — 
  Section 
  of 
  a 
  single 
  fold 
  of 
  a 
  diverticulum 
  ; 
  conn., 
  connective 
  tissue 
  or 
  tunica 
  

  

  propria. 
  

   Wig. 
  39. 
  — 
  Inuer 
  surface 
  of 
  ventricle, 
  with 
  the 
  epithelium 
  removed. 
  In. 
  m., 
  circular; 
  

  

  L., 
  lougitudinal 
  muscles. 
  

   Fig. 
  40. 
  — 
  Transverse 
  sections 
  of 
  three 
  Malpighian 
  vessels 
  lying 
  against 
  the 
  muscular 
  

  

  walls 
  of 
  the 
  rectum, 
  red. 
  

   Fig. 
  41. 
  — 
  Caloptenus 
  spretus. 
  Section 
  of 
  the 
  epithelium 
  of 
  the 
  rectum. 
  

   Fig. 
  42. 
  — 
  Transverse 
  section 
  of 
  rectal 
  folds. 
  F. 
  F. 
  1 
  , 
  furrows 
  between 
  the 
  folds 
  ; 
  L. 
  X., 
  

  

  longitudinal 
  muscle; 
  M. 
  v., 
  Malpighian 
  vessels. 
  

  

  