﻿358 
  H. 
  J. 
  HANSEN. 
  

  

  EXPLANATION 
  OF 
  PLATE 
  22, 
  

  

  Illustrating 
  Mr. 
  H. 
  J. 
  Hansen's 
  paper 
  on 
  "Two 
  New 
  Forms 
  

   of 
  Clioniostomatidae." 
  

  

  Fig. 
  1. 
  — 
  Spliseronella 
  norvegica, 
  n. 
  sp. 
  

  

  Fig. 
  1 
  a. 
  — 
  Female, 
  from 
  below, 
  x 
  28. 
  /', 
  leg 
  of 
  the 
  first 
  pair; 
  Z^, 
  leg 
  of 
  

   the 
  second 
  pair. 
  

  

  Fig. 
  1 
  (5.— 
  Male, 
  from 
  below, 
  x 
  28. 
  

  

  Fig. 
  1 
  c. 
  — 
  Two 
  ovisacs, 
  x 
  28. 
  

  

  Fig. 
  1 
  d. 
  — 
  Head 
  of 
  llie 
  female, 
  from 
  below, 
  x 
  322. 
  a. 
  Aiileiinula. 
  

   b. 
  Antenna, 
  c. 
  Mandible, 
  d. 
  Maxilliila. 
  d"^. 
  Additional 
  branch 
  of 
  the 
  

   maxillula. 
  e. 
  Maxilla. 
  /. 
  Maxilliped. 
  s. 
  Olfactory 
  seta 
  on 
  the 
  Isst 
  joint 
  of 
  

   the 
  antennula. 
  

  

  Fig. 
  1 
  e. 
  — 
  Genital 
  area 
  of 
  tiie 
  female, 
  x 
  182. 
  (j. 
  Genital 
  aperture. 
  

   m. 
  Muscle 
  to 
  the 
  outer 
  strip 
  of 
  the 
  frame 
  around 
  the 
  aperture, 
  r. 
  Recepta- 
  

   culum 
  seminis 
  indicated 
  with 
  dotted 
  outline, 
  as 
  seen 
  through 
  the 
  skin 
  (the 
  

   other 
  receptaculum 
  is 
  omitted), 
  st. 
  Caudal 
  stylet. 
  

  

  Fig. 
  1/ 
  — 
  Male, 
  from 
  below, 
  x 
  170. 
  b. 
  Antenna, 
  d. 
  Maxillula. 
  «?'. 
  

   Additional 
  branch 
  of 
  the 
  maxillula. 
  e. 
  Maxilla. 
  /. 
  Maxilliped. 
  /'. 
  Leg 
  of 
  

   first 
  pair. 
  P. 
  Leg 
  of 
  second 
  pair. 
  st. 
  Caudal 
  stylet. 
  

  

  Fig. 
  1 
  g. 
  — 
  Head 
  of 
  the 
  same 
  male, 
  from 
  the 
  side. 
  X 
  222. 
  The 
  lettering 
  

   as 
  in 
  Fig. 
  1/. 
  

  

  Fig. 
  2. 
  — 
  Sphferonellopsis 
  littoralis, 
  n. 
  gen., 
  n. 
  sp. 
  

  

  Fig. 
  2 
  ff. 
  — 
  Female, 
  from 
  below, 
  x 
  71. 
  g. 
  Genital 
  area. 
  

  

  Fig. 
  lb. 
  — 
  Large 
  female, 
  with 
  tlie 
  head 
  directed 
  forward, 
  x 
  71. 
  Of 
  the 
  

   trunk-legs, 
  only 
  tiiose 
  on 
  the 
  right 
  side 
  of 
  the 
  figure 
  are 
  shown. 
  

  

  Fig. 
  2 
  c. 
  — 
  Small 
  ovisac. 
  X 
  71. 
  

  

  Fig. 
  2 
  d. 
  — 
  Large 
  ovisac, 
  x 
  71. 
  

  

  Fig. 
  2 
  e. 
  — 
  Head 
  of 
  a 
  female, 
  from 
  below, 
  x 
  240. 
  Tlie 
  lettering 
  has 
  the 
  

   same 
  significance 
  as 
  on 
  Fig. 
  1 
  d. 
  

  

  Fig. 
  2y. 
  — 
  Anterior 
  part 
  of 
  the 
  head 
  of 
  the 
  female 
  represented 
  in 
  Fig. 
  2 
  b, 
  

   siiowing 
  the 
  border 
  of 
  the 
  mouth 
  and 
  the 
  maxillulse, 
  with 
  their 
  tiiree 
  branches 
  

   or 
  setiform 
  processes, 
  x 
  285. 
  

  

  Fig. 
  'ig. 
  — 
  Genital 
  area 
  of 
  a 
  female, 
  x 
  325. 
  g. 
  Genital 
  aperture, 
  m. 
  

   Muscle 
  opening 
  that 
  aperture, 
  p. 
  Anterior 
  (lower) 
  end 
  of 
  the 
  large 
  pro- 
  

   tuberance, 
  met 
  with 
  only 
  in 
  this 
  genus, 
  r. 
  Receptaculum 
  seminis. 
  d. 
  

   Caudal 
  stylets 
  fused 
  with 
  each 
  other. 
  

  

  