﻿possoNBr 
  : 
  on 
  soulptaria. 
  35 
  

  

  1887. 
  Tryon, 
  Manual, 
  vol. 
  iii, 
  p. 
  138, 
  pi. 
  xxv, 
  fig. 
  69 
  (with 
  var. 
  

  

  collar 
  is, 
  Pfr., 
  and 
  JDamarensis, 
  H. 
  Ad.). 
  

   1889. 
  Psetel, 
  Cat., 
  vol. 
  ii, 
  p. 
  181 
  (with 
  var. 
  collaris, 
  Pfr., 
  and 
  

  

  Damareiuis, 
  H. 
  Ad.). 
  

   1889. 
  Von 
  llartens, 
  jSTachr. 
  Blatt. 
  deutsch. 
  Malak. 
  Ges., 
  p. 
  154 
  

  

  {Sculftaria). 
  

   1894. 
  Pilsbry, 
  Manual, 
  vol. 
  ix, 
  p. 
  39, 
  pi. 
  x, 
  fig. 
  4 
  (with 
  var. 
  collaris). 
  

  

  1896. 
  Id., 
  JSTautilus, 
  vol. 
  ix, 
  p. 
  108. 
  

  

  1897. 
  Von 
  Martens, 
  Archiv 
  f. 
  jSTaturges 
  , 
  Bd. 
  i, 
  p. 
  39. 
  

  

  1898. 
  Sturany, 
  Siidafrik. 
  Moll., 
  p. 
  49 
  (reprint), 
  with 
  var. 
  collaris, 
  Pfr. 
  

  

  Gray's 
  original 
  description 
  : 
  '■'■ 
  Helicodonta 
  sculpturata. 
  Gray. 
  Shell 
  

   depressed, 
  umbilicated, 
  white 
  ; 
  whorles 
  with 
  an 
  irregular 
  subcentral 
  

   keel, 
  and 
  several 
  spiral 
  ridges, 
  crossed 
  with 
  close 
  narrow 
  concentric 
  

   ridges 
  ; 
  mouth 
  rhombic 
  ovate 
  with 
  a 
  reflexed 
  lip 
  ; 
  throat 
  with 
  a 
  strong 
  

   ridge 
  in 
  the 
  centre 
  of 
  the 
  inner, 
  and 
  two 
  equidistant 
  ones 
  on 
  the 
  outer 
  

   lip. 
  Diameter 
  3^ 
  lines." 
  Type 
  in 
  jSTat. 
  Hist. 
  Museum. 
  It 
  is 
  a 
  flat, 
  

   somewhat 
  coarsely 
  reticulated 
  species, 
  the 
  " 
  spiral 
  ridges'" 
  being 
  very 
  

   prominent. 
  Diam. 
  maj. 
  8, 
  min. 
  7 
  mm.; 
  alt. 
  2'o 
  mm. 
  

  

  Hah. 
  — 
  Damaraland. 
  

  

  SCULPTAEIA 
  COLLAKIS 
  (Pfr.). 
  

  

  1867. 
  Pfeiffer, 
  Malak. 
  Blatt., 
  vol. 
  xiv, 
  p. 
  197 
  {Helix). 
  

   1867-9. 
  Id., 
  Novit. 
  Conch., 
  vol. 
  iii, 
  p. 
  496, 
  pi. 
  cvii, 
  figs. 
  5-9. 
  

  

  1868. 
  Id., 
  Mon. 
  Hel., 
  voL 
  v, 
  p. 
  506. 
  

  

  1876. 
  Id., 
  op. 
  cit., 
  vol. 
  vii, 
  p. 
  465 
  (with 
  syn. 
  Damarensis, 
  H. 
  Ad.). 
  

   1881. 
  Clessin, 
  Nomencl., 
  p. 
  105 
  (with 
  syn. 
  Damarensis, 
  H. 
  Ad.). 
  

   1885. 
  Kobelt, 
  Conch. 
  Cab., 
  p. 
  621 
  (as 
  syn. 
  of 
  sculpturata, 
  Gray), 
  

  

  ?pl. 
  clxxviii, 
  figs. 
  26-8. 
  

   1887. 
  Tryon, 
  Manual, 
  vol. 
  iii, 
  p. 
  138 
  (as 
  sculpturata, 
  Gray, 
  var.), 
  

  

  pi. 
  xxiv, 
  figs. 
  27, 
  28. 
  

   1889. 
  Psetel, 
  Cat., 
  vol. 
  ii, 
  p. 
  118 
  (as 
  syn. 
  of 
  sculpturata, 
  Gray). 
  

   1889. 
  Von 
  Martens, 
  Nachr. 
  Blatt. 
  deutsch. 
  Malak. 
  Ges., 
  p. 
  154 
  (with 
  

  

  syn. 
  Damarensis, 
  H. 
  Ad.). 
  

   1894. 
  Pilsbry, 
  Manual, 
  vol. 
  ix, 
  p. 
  39 
  (as 
  sculpturata, 
  Gray, 
  var.). 
  

  

  1897. 
  Von 
  Martens, 
  Archiv 
  f. 
  Naturges., 
  Bd. 
  i, 
  p. 
  39 
  (with 
  var. 
  

  

  Damarensis, 
  H. 
  Ad.). 
  

  

  1898. 
  Sturany, 
  Siidafrik. 
  Moll., 
  p. 
  49 
  (reprint), 
  with 
  syn. 
  Damarensis, 
  

  

  H. 
  Ad. 
  

  

  Smaller 
  and 
  more 
  delicately 
  sculptured 
  than 
  the 
  preceding 
  : 
  the 
  

   radiating 
  costse, 
  which 
  cross 
  the 
  fine 
  concentric 
  striae, 
  gradually 
  fade 
  

   away, 
  and 
  do 
  not 
  reach 
  the 
  suture 
  below. 
  As 
  Pfeilfer 
  very 
  justly 
  

   observes, 
  "species 
  persingularis 
  — 
  H. 
  sculpturatce 
  modo 
  characteribus 
  

   nonnullis 
  peraffinis," 
  but 
  quite 
  distinct 
  in 
  others. 
  Diam. 
  maj. 
  6'33, 
  

   min. 
  5"25mm. 
  ; 
  alt. 
  2 
  mm. 
  

  

  Hab. 
  — 
  (At 
  first, 
  apparently 
  unknown) 
  Damaraland. 
  

  

  ScuLPTAEiA 
  Damarensis 
  (H. 
  Adams). 
  

   1870. 
  P.Z.S., 
  p. 
  379 
  (Corilla), 
  pi. 
  xxvii, 
  fig. 
  14. 
  

   1876. 
  PfeifEer, 
  Mon. 
  Hel., 
  vol. 
  vii, 
  p. 
  465 
  (as 
  syn. 
  of 
  collaris, 
  Pfr.). 
  

   1879. 
  Kobelt, 
  111. 
  Conchyl. 
  Buch., 
  vol. 
  ii, 
  pi. 
  Ixx, 
  fig. 
  23. 
  

  

  