﻿South- 
  African 
  Land-MoUusca. 
  459 
  

  

  narrower 
  sliell-lobes, 
  '^ 
  Approaching 
  the 
  forms 
  timidly 
  

   known 
  as 
  H. 
  natalensis 
  and 
  H. 
  poeppigi, 
  but 
  possibly 
  dis- 
  

   tinct,'-' 
  It 
  is 
  very 
  close 
  to 
  No. 
  3245 
  (bicolor), 
  but 
  the 
  shell 
  

   of 
  tbat 
  species 
  has 
  a 
  narrower 
  peripheral 
  band. 
  More 
  

   mature 
  specimens 
  of 
  this 
  species 
  are 
  required, 
  and 
  they 
  should 
  

   be 
  compared 
  with 
  K. 
  natalensis 
  from 
  Durban 
  or 
  its 
  neigh- 
  

   bourhood. 
  

  

  From 
  another 
  specimen. 
  

  

  Locality. 
  Maritzburg 
  (Hen?-?/ 
  C. 
  Bunwp), 
  21.iii.08. 
  

  

  Animal. 
  — 
  Visceral 
  sac. 
  Wall 
  of 
  branchial 
  cavity 
  2}ale- 
  

   colourtd 
  with 
  no 
  markin(/, 
  beyond 
  a 
  slight 
  dark 
  streak 
  above 
  

   t/ie 
  kidney. 
  Behind 
  the 
  heart 
  dark 
  grey 
  sparsely 
  spotted 
  white, 
  

   merging 
  into 
  dark 
  brown 
  on 
  apex, 
  with 
  the 
  sutural 
  margin 
  

   bordered 
  whitish. 
  Foot 
  with 
  a 
  long 
  horn 
  over 
  the 
  mucous 
  

   gland, 
  well-defiued 
  peripodial 
  grooves, 
  with 
  others 
  leading 
  

   from 
  them 
  to 
  the 
  keel. 
  Right 
  shell-lobe 
  long, 
  broadish, 
  

   given 
  ofi" 
  considerably 
  below 
  the 
  rectum. 
  The 
  Itft 
  is 
  small, 
  

   triangular. 
  Left 
  dorsal 
  lol)e 
  long 
  and 
  narrow, 
  in 
  two 
  

   separate 
  parts 
  of 
  about 
  equal 
  length. 
  

  

  The 
  generative 
  organs 
  may 
  be 
  compared 
  with 
  those 
  of 
  

   K. 
  phcedinius. 
  The 
  penis 
  is 
  bent 
  on 
  itself 
  iu 
  S-shape, 
  the 
  

   flagellum 
  long. 
  I 
  give 
  a 
  drawing 
  of 
  its 
  position 
  as 
  packed 
  

   within 
  the 
  animal 
  and 
  adjacent 
  to 
  the 
  spermatheca 
  (pi. 
  xv. 
  

   (Hg. 
  1 
  b), 
  shown 
  again 
  after 
  extraction 
  (pi. 
  xv. 
  fig. 
  1 
  c). 
  

   Tiie 
  free 
  oviduct 
  is 
  not 
  black 
  as 
  in 
  K. 
  phadimus 
  (o/.). 
  

   There 
  was 
  a 
  single 
  spermatophore 
  (Part 
  II., 
  pi, 
  xv. 
  fig. 
  1 
  d), 
  

   quite 
  perfect. 
  This 
  has 
  six 
  spines 
  on 
  one 
  side 
  next 
  the 
  

   capsule, 
  with 
  twenty-one 
  on 
  the 
  other 
  side 
  (~). 
  Their 
  

   elongate 
  form 
  may 
  be 
  compared 
  with 
  those 
  of 
  No. 
  3379, 
  

   K. 
  poeppigi, 
  from 
  Pinetown, 
  near 
  Durban. 
  The 
  branching 
  

   is 
  something 
  like 
  those 
  of 
  phadimus, 
  but 
  far 
  longer. 
  

   These 
  three 
  species 
  are 
  evidently 
  very 
  close 
  to 
  each 
  other, 
  

   the 
  shell-lobes 
  differing 
  in 
  breadth 
  and 
  length. 
  Compare 
  

   iigures 
  of 
  phadinius 
  on 
  pi. 
  xiii. 
  figs. 
  1-2, 
  JMo. 
  3379, 
  pi. 
  ii. 
  

   figs. 
  3, 
  3 
  a, 
  and 
  No. 
  7, 
  pi. 
  xv. 
  figs. 
  1, 
  1 
  a. 
  

   The 
  radula 
  shows 
  a 
  formula: 
  — 
  

  

  70 
  . 
  3 
  . 
  12 
  . 
  1 
  . 
  12 
  . 
  3 
  . 
  70, 
  or 
  85 
  . 
  1 
  . 
  85. 
  

  

  Tlie 
  centrals 
  of 
  usual 
  type, 
  the 
  laterals 
  all 
  evenly 
  bicuspid, 
  

   becoming 
  very 
  small 
  on 
  the 
  outer 
  margin. 
  

  

  Jaw 
  with 
  a 
  central 
  projection. 
  

  

  Zo7iamydrus, 
  M. 
  & 
  P., 
  and 
  subcorneus, 
  Preston, 
  appear 
  to 
  

   be 
  identical, 
  and 
  are 
  very 
  near 
  this 
  species 
  of 
  the 
  natalensis, 
  

   Krau.ss, 
  type 
  of 
  shell, 
  quite 
  smooth 
  on 
  the 
  apical 
  whorls. 
  

  

  