﻿ECHIUROID 
  WORMS 
  OF 
  NORTH 
  PACIFIC 
  — 
  FISHER 
  241 
  

  

  with 
  nophrostomc 
  lips 
  merely 
  folded 
  and 
  crinkled, 
  but 
  not 
  elongated, 
  

   is 
  possibly 
  a 
  Lissomyema. 
  

  

  a^. 
  Five 
  pairs 
  of 
  nephridia, 
  3 
  rather 
  poorly 
  developed, 
  in 
  front 
  of 
  setae; 
  19 
  muscle 
  

  

  bands 
  -- 
  O. 
  homelli 
  (Prashad) 
  

  

  Five 
  or 
  four 
  pairs 
  of 
  nephridia, 
  2 
  in 
  front 
  of 
  setae; 
  10 
  or 
  11 
  muscle 
  bands. 
  

  

  O. 
  bombayensis 
  (Prashad 
  and 
  Awati) 
  

   a'. 
  Four 
  pairs 
  of 
  nephridia, 
  posterior 
  to 
  setae. 
  

  

  10 
  muscle 
  bands 
  O. 
  decameron 
  Lanchester 
  

  

  20 
  muscle 
  bands 
  O. 
  kempi 
  (Prashad) 
  

  

  a}. 
  Three 
  pairs 
  of 
  nephridia, 
  the 
  first 
  pair 
  opening 
  in 
  front 
  of 
  the 
  ventral 
  setae 
  

   the 
  second 
  and 
  third 
  pairs 
  posterior 
  to 
  setae. 
  

  

  14 
  muscle 
  bands 
  O. 
  erythrogrammon 
  LcuoJcart 
  and 
  Ruppcll* 
  

  

  15 
  or 
  16 
  muscle 
  bands 
  O. 
  stuhlmanni 
  (Fischer)' 
  

  

  15 
  to 
  17 
  muscle 
  bands 
  O. 
  leptodermon 
  (Fischer)' 
  

  

  16 
  to 
  18 
  muscle 
  bands 
  O. 
  caudex 
  (Lampert)' 
  

  

  17 
  or 
  18 
  muscle 
  bands 
  O. 
  kokotoniense 
  (Fischer)' 
  

  

  17 
  or 
  18 
  muscle 
  bands 
  O. 
  grifflni 
  Wharton 
  

  

  a*. 
  Two 
  pairs 
  of 
  nephridia. 
  

  

  7 
  or 
  8 
  muscle 
  bands; 
  papillae 
  white, 
  scattered 
  uniformly 
  all 
  over 
  body; 
  

   color 
  white 
  in 
  alcohol; 
  proboscis 
  one-third 
  to 
  one-half 
  length 
  of 
  

   body; 
  anal 
  vesicles 
  broad 
  and 
  saclike 
  O. 
  formolosum 
  (Lampert) 
  

  

  8 
  muscle 
  bands. 
  

  

  With 
  incipient 
  gills 
  on 
  edge 
  of 
  proboscis 
  at 
  base; 
  broad 
  smooth 
  zone 
  

  

  around 
  anus 
  arkati 
  (Prashad) 
  

  

  No 
  branchial 
  fringe 
  to 
  proboscis; 
  no 
  smooth 
  zone 
  at 
  posterior 
  end 
  

   of 
  body; 
  color 
  in 
  life 
  greenish, 
  in 
  alcohol 
  grayish 
  flesh 
  color; 
  

   proboscis 
  one-third 
  to 
  length 
  of 
  body. 
  

  

  octomyotum, 
  new 
  species 
  

   10 
  or 
  11 
  muscle 
  bands 
  O. 
  hupferi 
  (Fischer) 
  

  

  13 
  muscle 
  bands; 
  proboscis 
  longer 
  than 
  body; 
  anal 
  trees 
  one-fourth 
  length 
  

   of 
  body 
  O. 
  pellucidum 
  (Fischer) 
  

  

  14 
  muscle 
  bands; 
  anal 
  trees 
  more 
  than 
  one-half 
  body 
  kiigth. 
  

  

  O. 
  manjuyodense 
  Ikeda 
  

  

  17 
  to 
  19 
  muscle 
  bands; 
  proboscis 
  shorter 
  than 
  body; 
  color 
  dark 
  green 
  

  

  with 
  violet 
  longitudinal 
  stripes 
  and 
  with 
  white 
  papillae 
  scattered 
  all 
  

  

  over 
  the 
  body; 
  anal 
  vesicles 
  long, 
  brown, 
  pointed 
  anteriorly, 
  bearing 
  

  

  short 
  branched 
  outgrowths 
  O. 
  baronii 
  (Greef) 
  

  

  16 
  or 
  17 
  muscle 
  bands; 
  proboscis 
  deciduous, 
  can 
  equal 
  length 
  of 
  body; 
  

   setae 
  with 
  interbasal 
  muscle; 
  anal 
  vesicles 
  without 
  branched 
  

   outgrowths... 
  _.0. 
  edaz, 
  new 
  species 
  

  

  OCHETOSTOMA 
  OCTOMYOTUM. 
  new 
  Bpcclcs 
  

   Plati: 
  21, 
  Fun;uK 
  3; 
  Platks 
  23, 
  24 
  

  

  ViagnoHu. 
  — 
  Skin 
  transluoent, 
  with 
  ei^ht 
  more 
  opatiiic" 
  lonpitudinnl 
  

   strifx'S 
  marking 
  the 
  inuselc 
  bands, 
  and 
  closely 
  sti|>ple(l 
  everywiiere 
  

   witii 
  very 
  small, 
  une<|ual, 
  often 
  elliptical 
  glands 
  wliieh 
  increase 
  in 
  

   size 
  very 
  nuirkedly 
  over 
  the 
  j)osterior 
  region 
  (where 
  tiie 
  niusele 
  bands 
  

   fuse 
  into 
  a 
  continuous 
  sheet); 
  i)roboseis 
  thick 
  and 
  fleshy 
  in 
  preserved 
  

  

  • 
  Sato, 
  1930, 
  p. 
  Vil 
  considers 
  these 
  flvc, 
  bIopk 
  with 
  Thnlntitma 
  palmie 
  lkr>Iii, 
  Urjl, 
  to 
  I'O 
  nil 
  ono 
  sprcii'M. 
  fdr 
  

   which 
  trythronTammon 
  U 
  the 
  oldest 
  name. 
  

  

  