﻿200 
  mOCKKDlNUb 
  OF 
  THK 
  MALACOLOGICA 
  L 
  SUCIETY. 
  

  

  periphery, 
  the 
  ribs 
  are 
  likewise 
  gemmuLite 
  just 
  below 
  the 
  sutures. 
  

   I 
  dedicate 
  this 
  unique 
  shell 
  to 
  M. 
  Philippe 
  Dautzeuberg, 
  of 
  Paris, 
  

   whose 
  labours 
  in 
  the 
  cause 
  of 
  malacological 
  science, 
  including 
  the 
  

   smaller, 
  but 
  no 
  less 
  beautiful 
  forms 
  of 
  raollusca, 
  are 
  so 
  fully 
  recognized 
  

   and 
  appreciated 
  by 
  all 
  students. 
  

  

  Pykgulina 
  ecckita,' 
  n.sp. 
  PI. 
  YI, 
  Pig. 
  6. 
  

  

  P. 
  testa 
  parva, 
  riniata, 
  cylindro-fusiformi, 
  alba, 
  nitida, 
  anfractibus 
  

   71-, 
  quorum 
  2^ 
  vitrei, 
  loeves, 
  heterostrophi, 
  apice 
  ipso 
  immerso-planato, 
  

   cantoris 
  quatuor 
  ad 
  suturas 
  inciso-impressis, 
  minime 
  ventricosis, 
  arete 
  

   longitudinaliter 
  costulatis, 
  costis, 
  simul 
  ac 
  interstitiis, 
  laevissimis, 
  ultimo 
  

   anfractu 
  pauUum 
  elongate, 
  apertura 
  parva, 
  subrotuuda, 
  labro 
  efFuso, 
  

   columella 
  uniplieata. 
  Long. 
  5-75, 
  lat. 
  2 
  mm. 
  

  

  Eah.—M.G. 
  Lat. 
  25° 
  10' 
  N., 
  long. 
  60° 
  34' 
  E., 
  off 
  Charbar 
  at 
  

   40 
  fathoms. 
  

  

  Much 
  like 
  P. 
  mterstriata, 
  Sowerby, 
  decorata, 
  Philippi, 
  or 
  Edgarii, 
  

   Melvill, 
  but 
  the 
  interstices 
  between 
  the 
  longitudinal 
  ribs 
  are, 
  with 
  

   the 
  rest 
  of 
  the 
  shell, 
  quite 
  smooth 
  and 
  shining. 
  A 
  few 
  examples 
  only. 
  

  

  Pyrgulhsta 
  edana,- 
  n.sp. 
  PI. 
  VI, 
  Pig. 
  7. 
  

  

  P. 
  testa 
  minuta, 
  ovata, 
  nitida, 
  albo-crystallina, 
  leevicostata, 
  delicata, 
  

   anfractibus 
  ad 
  5, 
  quorum 
  duo 
  nueleares 
  depresso-planati, 
  heterostrophi, 
  

   vitrei, 
  caeteris 
  apud 
  suturas 
  multum 
  impressis, 
  quasi-canalieulatis, 
  

   penultimo 
  et 
  antepenultimo 
  biangulatis, 
  ad 
  angulum 
  spiraliter 
  

   funiculo-liratis, 
  nitide 
  gemmulatis, 
  ultimo 
  ad 
  peripheriam 
  simili 
  modo 
  

   spiraliter 
  gemmulato, 
  etiaui 
  supra, 
  infra 
  suturas, 
  numero 
  costarum 
  

   longitudinalium 
  ad 
  22, 
  apertura 
  subrotunda, 
  parva, 
  peristomate 
  fere 
  

   continue, 
  crassiusculo, 
  columella 
  obliqua, 
  uniplieata. 
  Long. 
  1"75, 
  

   lat. 
  1 
  mm. 
  

  

  ^aJ.— 
  Bombay 
  (F. 
  W. 
  Townsend). 
  

  

  A 
  most 
  refined, 
  canaliculate 
  species, 
  smooth, 
  both 
  as 
  regards 
  the 
  

   costse 
  and 
  interstitially, 
  the 
  whorls 
  five 
  in 
  number, 
  two 
  being 
  

   apical, 
  heterostroplie, 
  the 
  rest 
  ventricose, 
  suturally 
  constricted, 
  

   many 
  ribbed, 
  adorned 
  with 
  two 
  lirate 
  rows 
  of 
  spiral 
  gemmules, 
  one 
  

   above, 
  the 
  other 
  in 
  the 
  centre 
  of 
  the 
  whorl. 
  The 
  mouth 
  is 
  roundish, 
  

   peristome 
  well 
  formed 
  and 
  almost 
  continuous, 
  columella 
  once 
  plaited. 
  

  

  PrEGULiNA 
  Edgakii, 
  Melvill. 
  

  

  Pyrgulina 
  Edgarii, 
  Melvill, 
  Proc. 
  Malac. 
  Soc, 
  vol. 
  ii, 
  p. 
  114, 
  pi. 
  viii, 
  

   fig. 
  21. 
  

  

  Hob. 
  — 
  I. 
  Karachi, 
  very 
  common, 
  amongst 
  mud, 
  weed, 
  and 
  loose 
  

   stones 
  at 
  low 
  tide 
  ; 
  Bombay 
  (Abercrombie). 
  

  

  A 
  small 
  species, 
  with 
  rather 
  coarse 
  smooth 
  ribs, 
  and 
  interstitial 
  

   striation, 
  shell 
  bluntly 
  cylindrical, 
  varying 
  a 
  little 
  in 
  length 
  and 
  

   compactness. 
  

  

  ' 
  iKKpiros, 
  select, 
  set 
  apart. 
  - 
  iZav6s, 
  sweet. 
  

  

  