﻿PRESTON 
  : 
  NEW 
  SPECIES 
  OF 
  3IELANIA 
  AND 
  PACHYCHILUS. 
  229 
  

  

  shell 
  livid 
  dark 
  bluish 
  grey 
  ; 
  operculum 
  laminiferous, 
  with 
  basal 
  

   nucleus. 
  Alt. 
  44-5 
  mm. 
  ; 
  diam. 
  maj. 
  12-5, 
  diam. 
  min. 
  10*5 
  mm. 
  ; 
  

   aperture, 
  alt. 
  14'25, 
  diam. 
  maj. 
  6-5 
  mm. 
  

  

  Hah. 
  — 
  Goram 
  Island, 
  Malay 
  Archipelago. 
  

  

  Differing 
  from 
  M. 
  fidgida, 
  lleeve, 
  in 
  not 
  having 
  the 
  concave 
  outline 
  

   of 
  the 
  spire 
  of 
  that 
  species 
  ; 
  moreover, 
  the 
  upper 
  whorls 
  are 
  not 
  costate, 
  

   and 
  the 
  spiral 
  striie 
  are 
  beaded 
  on 
  the 
  last 
  two 
  whorls, 
  a 
  character 
  

   which 
  also 
  differentiates 
  it 
  from 
  M. 
  Aruensis, 
  Reeve. 
  

  

  Melania 
  Keiensis, 
  n.sp. 
  

  

  Shell 
  turbinately 
  fusiform, 
  reddish 
  brown, 
  painted, 
  especially 
  on 
  

   the 
  lower 
  portion 
  of 
  the 
  body-whorl, 
  with 
  transverse 
  bands 
  of 
  dark 
  

   chestnut 
  ; 
  whorls 
  8, 
  sculptured 
  with 
  coarse 
  spiral 
  and 
  fine 
  transverse 
  

   strias, 
  transversely 
  costate, 
  the 
  costse, 
  especially 
  on 
  the 
  penultimate 
  

   and 
  antepenultimate 
  wliorls, 
  being 
  developed 
  into 
  almost 
  spiny 
  nodules 
  

   at 
  a 
  point 
  about 
  two-thirds 
  of 
  their 
  total 
  length 
  ; 
  the 
  lower 
  half 
  of 
  the 
  

  

  last 
  whorl 
  and 
  base 
  of 
  shell 
  rather 
  coarsely 
  grooved; 
  sutures 
  

   impressed, 
  faintly 
  crenellate 
  ; 
  columella 
  straight, 
  diffused 
  into 
  a 
  thin 
  

   callus 
  which 
  reaches 
  the 
  lip 
  above 
  ; 
  labrum 
  acute 
  ; 
  aperture 
  ovate. 
  

   Alt. 
  11-5 
  mm. 
  ; 
  diam. 
  maj. 
  5-5, 
  diam. 
  min. 
  4-75 
  ram. 
  ; 
  aperture, 
  

   alt. 
  4 
  5, 
  diam. 
  2"25 
  mm. 
  

  

  Ilab. 
  — 
  Kei 
  Islands, 
  Malay 
  Archipelago. 
  

  

  DESCRIPTION 
  OF 
  A 
  NEW 
  SPECIES 
  OF 
  PACHYCHILUS 
  

   FROM 
  CUBA. 
  

  

  • 
  By 
  H. 
  B. 
  Peeston, 
  F.Z.S. 
  

  

  Read 
  13th 
  January, 
  1911. 
  

  

  Pachychiltjs 
  violaceus, 
  n.sp. 
  

  

  Shell 
  subulate, 
  moderately 
  solid, 
  black 
  ; 
  remaining 
  whorls 
  4, 
  rather 
  

   flat, 
  sculptured 
  with 
  very 
  fine, 
  "wavy, 
  spiral 
  striae 
  ; 
  sutures 
  impressed; 
  

   columella 
  arched, 
  violet, 
  diffused 
  above 
  into 
  a 
  thin 
  callus, 
  and 
  

   thickening 
  into 
  a 
  white, 
  minutely 
  granular 
  protuberance 
  just 
  below 
  

   the 
  point 
  of 
  insertion 
  of 
  the 
  labrum 
  with 
  the 
  parietal 
  wall; 
  labrum 
  

   thin, 
  acute, 
  sinuous, 
  bluish 
  white 
  on 
  the 
  inner 
  side; 
  aperture 
  rather 
  

   bioadly 
  inversely 
  auriform 
  ; 
  interior 
  of 
  shell 
  violet, 
  showing 
  traces 
  

   of 
  a 
  white, 
  peripheral, 
  spiral 
  band 
  ; 
  operculum 
  having 
  4 
  whorls, 
  

   laminiferous, 
  with 
  sub-central 
  nucleus. 
  Alt. 
  35, 
  diam. 
  maj. 
  16 
  mm. 
  ; 
  

   aperture, 
  alt. 
  18, 
  diam. 
  7 
  mm. 
  

  

  JIab. 
  — 
  Cuba, 
  at 
  an 
  altitude 
  of 
  2,300 
  feet. 
  

  

  