﻿NO. 
  1133. 
  TREMATODE 
  PARASITES 
  OF 
  FISHES— 
  LIXTOX. 
  543 
  

  

  Plate 
  XL 
  I. 
  

  

  OctoplcctaninH 
  affhie, 
  new 
  species. 
  

  

  Fiii'.. 
  1. 
  Ventral 
  view 
  auterior 
  end, 
  alcobolio. 
  Zeiss 
  2/A, 
  ilraw-tube 
  open 
  ; 
  A, 
  arma- 
  

   ture 
  of 
  genital 
  titrinm. 
  

  

  2. 
  \"entral 
  view 
  of 
  a 
  single 
  plectanum, 
  life, 
  much 
  enlarged. 
  

  

  3. 
  Dorsal 
  view 
  of 
  posterior 
  end, 
  showing 
  jilexus 
  of 
  vessels; 
  from 
  sketch 
  of 
  

  

  living 
  specimen 
  by 
  Margai'et 
  B. 
  Linton. 
  

  

  4. 
  Longitudinal 
  vertical 
  section 
  through 
  ovary. 
  Zeiss 
  2/A, 
  draw-tuhe 
  open. 
  

  

  5. 
  Developing 
  ova 
  from 
  same. 
  Zeiss 
  2/D, 
  draw-tube 
  open. 
  

  

  D'iplostomum 
  cutivole 
  Diesiug. 
  

  

  6. 
  Ventral 
  view 
  of 
  specimen 
  removed 
  from 
  cyst; 
  from 
  Enpomoth 
  pallUlns. 
  

  

  2/A, 
  draw-tube 
  closed. 
  

  

  7. 
  Specimen 
  from 
  Lepomts 
  (iiiritus. 
  Enlarged 
  about 
  lifty 
  times. 
  

  

  8. 
  Ventral 
  sucker 
  of 
  specimen 
  shown 
  in 
  Fig. 
  6. 
  Zeiss 
  2/D, 
  draw-tube 
  closed. 
  

  

  9. 
  Ventral 
  sucker 
  of 
  another 
  specimen 
  from 
  Eupomofis 
  paUid»i.s. 
  Zeiss 
  2/D, 
  

  

  draw-tube 
  closed. 
  

   10. 
  Cyst 
  with 
  inclosed 
  embryo, 
  from 
  Eitpomotis 
  paUidus. 
  Enlarged 
  about 
  .six; 
  eeu 
  

   times. 
  

  

  Pl.\tk 
  XLII. 
  

  

  Diploaiomum 
  citficole 
  Diesing. 
  

  

  Fig. 
  1. 
  Ventral 
  view 
  of 
  specimen 
  from 
  Lvpomh 
  auritus. 
  Enlarged 
  aboiit 
  thirty 
  

   times. 
  

  

  2. 
  Cyst 
  with 
  inclosed 
  embryo, 
  from 
  same. 
  Enlarged 
  about 
  twenty-two 
  times. 
  

  

  3. 
  Oral 
  sucker 
  of 
  embryo 
  frou 
  same. 
  Enlarged 
  about 
  two 
  hundred 
  and 
  

  

  twenty-five 
  times. 
  

  

  4. 
  Oral 
  sucker 
  and 
  pharynx 
  of 
  specimen 
  from 
  Eupomotis 
  paUidus. 
  Zeiss 
  2/D, 
  

  

  draw-tube 
  closed. 
  

   ,o. 
  Heart 
  of 
  E. 
  paUidna, 
  with 
  cysts. 
  Enlarged 
  three 
  times. 
  

  

  Dixtomiini 
  tornatum 
  Rudolphi. 
  from 
  Corypluvna 
  hippnrus. 
  

  

  6. 
  Ventral 
  view 
  of 
  alcoholic 
  specimen. 
  Enlarged 
  eight 
  times. 
  

  

  7. 
  Side 
  view 
  of 
  anterior 
  part 
  of 
  body. 
  Enlarged 
  thirty 
  times. 
  

  

  8. 
  Side 
  view 
  of 
  specimen, 
  stained 
  and 
  mounted 
  entire 
  in 
  Canada 
  balsam. 
  

  

  Enlarged 
  abont 
  six 
  times, 
  a. 
  Ova 
  Zeiss 
  4/D, 
  draw-tnbe 
  open. 
  

  

  9. 
  Longitudinal 
  section, 
  horizontal, 
  through 
  testes 
  and 
  ovary; 
  anterior 
  end 
  to 
  

  

  the 
  right. 
  Specimen 
  from 
  same 
  lotas 
  Nos. 
  6 
  and 
  7. 
  Zeiss 
  2/A, 
  draw-tube 
  

   open. 
  

  

  10. 
  Transverse 
  section 
  of 
  specimen 
  from 
  same 
  lot, 
  through 
  anterior 
  testis 
  and 
  

  

  seminal 
  receptacle. 
  Zeiss 
  2/A, 
  draw-tube 
  open. 
  

  

  11. 
  Transverse 
  section 
  of 
  same 
  specimen 
  through 
  posterior 
  margin 
  of 
  ventral 
  

  

  sucker. 
  Zeiss 
  2/A, 
  draw-tube 
  open. 
  

  

  12. 
  Longitudinal 
  vertical 
  section 
  through 
  specimen 
  from 
  same 
  lot, 
  showing 
  

  

  cirrus. 
  Zeiss 
  2/A, 
  draw-tube 
  open. 
  

  

  Distominn 
  ocrtatnm 
  Molin, 
  from 
  Pomatonnis 
  salfatrix. 
  

  

  13. 
  Ventral 
  view, 
  alcoholic. 
  Enlarged 
  about 
  thirty-two 
  times. 
  

  

  Difttomum 
  ruforiridr 
  Rudolphi, 
  from 
  Roccus 
  lineatus. 
  

  

  14. 
  Section 
  of 
  anterior 
  sucker 
  and 
  pharynx. 
  Zeiss 
  2/A, 
  draw-tube 
  open. 
  

  

  