﻿which 
  inhabit 
  Jamaica. 
  95 
  

  

  Greatest 
  breadth 
  1.08 
  inch 
  ; 
  least 
  breadth 
  .94 
  inch. 
  

  

  A 
  variety, 
  imperforata, 
  is 
  larger, 
  rather 
  less 
  depressed, 
  

   and 
  without 
  an 
  open 
  umbilicus. 
  It 
  inhabits 
  Swift 
  River 
  

   head, 
  in 
  St. 
  George. 
  Another 
  variety, 
  carinata, 
  is 
  more 
  

   sharply 
  and 
  prominently 
  carinated 
  at 
  the 
  periphery. 
  It 
  in- 
  

   habits 
  the 
  other 
  end 
  of 
  the 
  island, 
  at 
  Belle 
  Isle, 
  in 
  "Westmore- 
  

   land. 
  

  

  Helix 
  anomala, 
  var. 
  pallescens, 
  is 
  horn 
  colored, 
  some- 
  

   times 
  with 
  a 
  reddish 
  brown 
  tinge, 
  without 
  a 
  white 
  line 
  on 
  the 
  

   periphery. 
  The 
  umbilicus 
  is 
  somewhat 
  narrower, 
  and 
  the 
  

   shell 
  is 
  higher 
  in 
  the 
  last 
  whorl. 
  It 
  inhabits 
  Accompong 
  Town, 
  

   in 
  the 
  back 
  part 
  of 
  St. 
  Elizabeth. 
  Another 
  variety, 
  convexa, 
  

   Is 
  remarkably 
  convex 
  on 
  both 
  sides, 
  especially 
  beneath, 
  and 
  

   has 
  a 
  very 
  narrow 
  umbilicus. 
  It 
  inhabits 
  the 
  borders 
  of 
  Man- 
  

   chester 
  and 
  St. 
  Elizabeth, 
  

  

  Helix 
  Baifibridgei, 
  var. 
  pretiosa, 
  differs 
  from 
  the 
  ordinary 
  

   type 
  of 
  the 
  species 
  in 
  being 
  white, 
  with 
  an 
  exceedingly 
  thin 
  

   greenish 
  epidermis 
  on 
  the 
  last 
  whorl; 
  the 
  lip 
  is 
  of 
  a 
  very 
  pure 
  

   snow 
  white 
  color; 
  and 
  the 
  last 
  whorl 
  is 
  larger 
  and 
  higher. 
  

  

  Helix 
  Buddiana. 
  Shell 
  subglobose, 
  obliquely 
  ellipsoidal: 
  

   white, 
  with 
  a 
  very 
  thin 
  yellowish 
  brown 
  epidermis 
  : 
  with 
  very 
  

   line 
  strisB 
  of 
  growth 
  ; 
  some 
  specimens 
  have, 
  on 
  the 
  last 
  whorl, 
  

   lightly 
  impressed 
  microscopic 
  spiral 
  lines, 
  and 
  rarely 
  its 
  sur- 
  

   face 
  is 
  microscopically 
  punctulated 
  : 
  spire 
  convex 
  : 
  apex 
  very 
  

   obtuse 
  : 
  whorls 
  nearly 
  four 
  and 
  one-half, 
  convex, 
  with 
  a 
  

   rather 
  deep 
  suture 
  : 
  last 
  whorl 
  very 
  large 
  and 
  globose 
  : 
  aper- 
  

   ture 
  rather 
  large, 
  with 
  a 
  semicircular 
  outline 
  on 
  the 
  right, 
  

   and 
  a 
  sinuate 
  outline 
  on 
  the 
  left 
  : 
  labrum 
  thin 
  and 
  sharp 
  : 
  

   labium 
  with 
  a 
  dilated 
  closely 
  appressed 
  deposit: 
  umbilicus 
  

   wanting. 
  Allied 
  to 
  H. 
  tunicata 
  and 
  H. 
  munda. 
  Inhabits 
  

   Westmoreland. 
  

  

  Greatest 
  breadth 
  .65 
  inch 
  ; 
  least 
  breadth 
  .55 
  inch 
  ; 
  height 
  

   .53 
  inch. 
  

  

  