﻿Reproductive 
  organs 
  of 
  Taenia 
  pisiformis. 
  415 
  

  

  Explanation 
  of 
  Plates. 
  

  

  All 
  figures 
  are 
  from 
  photomicrographs, 
  taken 
  as 
  described 
  in 
  the 
  text. 
  

  

  Magnifications: 
  Figs. 
  1 
  — 
  5, 
  50 
  : 
  1 
  ; 
  6—8, 
  10, 
  11, 
  16—19, 
  23, 
  26, 
  27, 
  

   350:1; 
  9, 
  260:1; 
  53 
  and 
  57, 
  625:1; 
  75, 
  775:1; 
  82, 
  1215:1, 
  all 
  

   others 
  1000: 
  1. 
  

  

  a^ 
  aster 
  sc^ 
  second 
  spermatocyte 
  

  

  hm 
  basement 
  membrane 
  sg 
  spermatogonia 
  

  

  c 
  chromidia 
  sp 
  sperm 
  

  

  d 
  cloaca 
  sr 
  seminal 
  receptacle 
  

  

  mcl 
  cloacal 
  muscles 
  t 
  testis 
  

  

  ovary 
  u 
  uterus 
  

  

  od 
  oviduct 
  V 
  anläge 
  of 
  vagina 
  and 
  vas 
  deferens 
  

  

  od^ 
  oviduct 
  branches 
  v 
  vagina 
  

  

  OS 
  anläge 
  of 
  oviduct 
  and 
  shell 
  gland 
  vd 
  vas 
  deferens 
  

  

  jp 
  and 
  p^ 
  membrane 
  cells 
  of 
  testis 
  y 
  yolk 
  gland 
  

  

  jpe 
  penis 
  ye 
  yolk 
  cell 
  

  

  ps 
  penis 
  sheath 
  yd 
  yolk 
  duct 
  

  

  r 
  retractors 
  of 
  penis 
  S 
  male 
  pronucleus 
  

  

  ^ 
  shell 
  gland 
  $ 
  female 
  pronucleus 
  

  

  Plate 
  18. 
  

   Pig. 
  1. 
  Earliest 
  anläge 
  of 
  genitalia. 
  

   Fig. 
  2. 
  Second 
  stage 
  of 
  developing 
  genitalia. 
  

   Fig. 
  3. 
  Third 
  stage 
  of 
  developing 
  genitalia. 
  

   Fig. 
  4. 
  Fourth 
  stage 
  of 
  developing 
  genitalia. 
  

   Fig. 
  5. 
  Retractor 
  muscles 
  of 
  penis 
  and 
  muscles 
  of 
  cloaca. 
  

  

  Fig. 
  6. 
  Earliest 
  anläge 
  of 
  vagina 
  and 
  vas 
  deferens 
  showing 
  several 
  

   centers 
  of 
  development. 
  

  

  Fig. 
  7. 
  Anlage 
  of 
  vagina 
  and 
  vas 
  deferens. 
  

  

  