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  PEOCEEDINGS 
  OF 
  THE 
  IIALACOLOGICAL 
  SOCIETY. 
  

  

  DESCRIPTIONS 
  OF 
  NEW 
  MELANIID^ 
  FEOM 
  GORAM 
  AND 
  KEI 
  

   ISLANDS, 
  MALAY 
  ARCHIPELAGO. 
  

  

  By 
  H. 
  B. 
  Preston, 
  F.Z.S. 
  

  

  Read 
  11th 
  November, 
  1910. 
  

  

  MeLANIA 
  GOKAMENSIS, 
  II. 
  Sp. 
  

  

  Shell 
  small, 
  cylindrical, 
  black, 
  striate 
  at 
  the 
  base; 
  spire 
  abruptly 
  

   decollate 
  by 
  process 
  of 
  erosion 
  ; 
  remaining 
  whorls 
  4^, 
  flat, 
  marked 
  

   with 
  irregular 
  transverse 
  growth-lines, 
  and 
  sculptured 
  with 
  indistinct, 
  

   rather 
  distant 
  spiral 
  striae, 
  the 
  last 
  whorl 
  bluntly 
  angled 
  below 
  ; 
  

   sutures 
  impressed 
  ; 
  columella 
  slightly 
  arched, 
  livid, 
  diffused 
  into 
  

  

  a 
  callus 
  which 
  joins 
  the 
  lip 
  above 
  ; 
  labrum 
  somewhat 
  sinuous, 
  acute; 
  

   aperture 
  elongately 
  ovate 
  ; 
  interior 
  of 
  shell, 
  near 
  the 
  labrum, 
  bluisli 
  

   black, 
  shading 
  to 
  olive 
  further 
  within. 
  Alt. 
  ll"25mm. 
  ; 
  diam. 
  maj. 
  

   4'25, 
  min. 
  4 
  mm.; 
  aperture, 
  alt. 
  4, 
  diam. 
  2 
  mm. 
  

   Ilab. 
  — 
  Goram 
  Island, 
  Malay 
  Archipelago. 
  

  

  Melania 
  Stalkeui, 
  n.sp. 
  

  

  Shell 
  subulate, 
  pale 
  yellowish 
  horn 
  colour, 
  blotched 
  and 
  spotted 
  

   with 
  reddish 
  purple, 
  and 
  covered 
  with 
  a 
  thick 
  opaque 
  black 
  

   incrustation; 
  spire 
  eroded 
  ; 
  remaining 
  whorls 
  9, 
  gradually 
  increasing, 
  

   slightly 
  convex 
  below, 
  marked 
  with 
  lines 
  of 
  growth, 
  and 
  spirally 
  

   striate, 
  the 
  spirals 
  having 
  a 
  beaded 
  appearance 
  on 
  the 
  last 
  two 
  whorls 
  ; 
  

   sutures 
  impressed, 
  narrowly 
  margined 
  below 
  ; 
  columella 
  white, 
  arched, 
  

   with 
  a 
  black, 
  polished, 
  and 
  minutely 
  pitted 
  callus 
  joining 
  it 
  with 
  the 
  

   lip 
  above 
  ; 
  labrum 
  acute, 
  aperture 
  elongately 
  auriform 
  ; 
  interior 
  of 
  

  

  