﻿58 
  ON 
  THE 
  NAIADES, 
  

  

  Helix 
  globula. 
  Plate 
  XIX. 
  fig. 
  70. 
  

  

  Testa 
  globosd, 
  tenebroso-corned, 
  pellupidd, 
  umbilicatd, 
  longitudinaliter 
  striata; 
  

   anfractibus 
  quints; 
  spird 
  obtuso-elevatd 
  ; 
  aperturd 
  laid 
  et 
  subrotundd 
  ; 
  labro 
  sim- 
  

   plici; 
  columella 
  laevi. 
  

  

  Shell 
  globose, 
  dark 
  horn 
  colour, 
  translucent, 
  umbilicated, 
  longitudinally 
  striate 
  ; 
  

   whorls 
  five 
  ; 
  spire 
  obtusely 
  elevated 
  ; 
  aperture 
  wide 
  and 
  round 
  ; 
  outer 
  lip 
  simple 
  : 
  

   columella 
  smooth. 
  

  

  Hab. 
  China, 
  near 
  Canton. 
  W. 
  W. 
  Wood. 
  

  

  My 
  Cabinet. 
  

  

  Cabinet 
  of 
  Mr 
  Hyde. 
  

  

  Diam. 
  '6, 
  Length 
  -5 
  of 
  an 
  inch. 
  

  

  Remarks. 
  — 
  I 
  owe 
  to 
  the 
  kindness 
  of 
  Mr 
  Wood 
  the 
  specimen 
  which 
  

   is 
  here 
  figured. 
  It 
  is 
  remarkable 
  for 
  its 
  globular 
  form 
  and 
  its 
  dark 
  

   horn-coloured 
  epidermis. 
  It 
  has 
  somewhat 
  the 
  aspect 
  of 
  a 
  Paludina. 
  

  

  Paludina 
  bi-monilifera. 
  Plate 
  XIX. 
  fig. 
  71. 
  

  

  Testa 
  abbreviato-iurritd, 
  tenebroso-corned, 
  apice 
  obtusd 
  ; 
  anfractibus 
  seriebus 
  

   duabus 
  nodulorum 
  circumdatis 
  ; 
  nodulis 
  seriei 
  inferioris 
  anfractuum 
  superior- 
  

   um 
  suturd 
  celatis 
  ; 
  nodulis 
  seriei 
  superioris 
  majoribus, 
  et 
  super 
  omnes 
  anfrac- 
  

   tus 
  conspicuis 
  ; 
  suturis 
  profundis 
  et 
  irregularibus 
  ; 
  labro 
  sub-biangulato 
  ; 
  basi 
  

   subangulatd. 
  

  

  Shell 
  obtusely 
  turrited, 
  dark 
  horn 
  colour 
  ; 
  apex 
  obtuse 
  ; 
  whorls 
  furnished 
  with 
  two 
  

   rows 
  of 
  nodules 
  ; 
  the 
  nodules 
  of 
  the 
  lower 
  row 
  of 
  the 
  upper 
  whorls 
  hidden 
  by 
  the 
  su- 
  

   ture, 
  those 
  of 
  the 
  upper 
  row 
  larger, 
  and 
  visible 
  on 
  all 
  the 
  whorls 
  ; 
  sutures 
  deep 
  and 
  

   irregular 
  ; 
  outer 
  lip 
  sub-biangular 
  ; 
  base 
  subangular. 
  

  

  Hab. 
  Alabama 
  River. 
  Judge 
  Tait. 
  

  

  My 
  Cabinet. 
  

  

  Cabinet 
  of 
  Professor 
  Vanuxem. 
  

  

  Cabinet 
  of 
  the 
  American 
  Philosophical 
  Society. 
  

  

  Cabinet 
  of 
  the 
  Academy 
  of 
  Natural 
  Sciences 
  of 
  Philadelphia. 
  

  

  