﻿100 
  Remarks 
  on 
  the 
  Habitats 
  

  

  Remarks 
  on 
  the 
  Habitats 
  of 
  certain 
  species 
  of 
  Land 
  Shells. 
  

   By 
  C. 
  B. 
  Adams, 
  Professor 
  of 
  Zoology 
  in 
  Amherst 
  Col- 
  

   lege, 
  Massachusetts, 
  and 
  Edward 
  Chitty, 
  Chairman 
  of 
  

   Quarter 
  Sessions, 
  Jamaica. 
  April, 
  1851. 
  

  

  In 
  the 
  following 
  catalogue 
  of 
  the 
  shells 
  of 
  Jamaica, 
  some 
  

   speies 
  care 
  enumerated 
  which 
  we 
  have 
  not 
  yet 
  been 
  able 
  to 
  

   find 
  in 
  the 
  island. 
  Some 
  described 
  species 
  are 
  doubtfully 
  

   identified 
  with 
  our 
  specimens. 
  Others., 
  which 
  are 
  clearly 
  iden- 
  

   tical 
  with 
  Jamaica 
  shells, 
  have 
  been 
  referred 
  by 
  authors 
  to 
  

   other 
  habitats. 
  In 
  the 
  hope 
  of 
  eliciting 
  information 
  from 
  any, 
  

   who 
  may 
  be 
  more 
  particularly 
  acquainted 
  with 
  the 
  facts, 
  we 
  

   invite 
  the 
  attention 
  of 
  our 
  readers 
  to 
  such 
  species. 
  

  

  The 
  following 
  species, 
  said 
  to 
  inhabit 
  Jamaica, 
  we 
  have 
  

   not 
  found. 
  Cyclostoma 
  labeo 
  has 
  been 
  described 
  by 
  many 
  

   authors 
  as 
  a 
  Jamaica 
  species. 
  It 
  is 
  very 
  unlike 
  any 
  shell 
  that 
  

   we 
  have 
  seen 
  or 
  heard 
  of 
  in 
  Jamaica. 
  Cyclostoma 
  asperu- 
  

   lum., 
  Sowb., 
  may 
  perhaps 
  be 
  identical 
  with 
  some 
  of 
  our 
  shells. 
  

   Its 
  affinities 
  confirm 
  the 
  statement 
  of 
  its 
  habitat. 
  As 
  to 
  Cy- 
  

   clostoma 
  corrugatum, 
  see 
  C. 
  C, 
  page 
  141. 
  

  

  Trochatella 
  Greyana 
  Pfr. 
  and 
  Helicina 
  Gossei 
  Pfr. 
  we 
  

   have 
  not 
  identified. 
  Helicina 
  picta 
  Fer., 
  said 
  to 
  occur 
  both 
  

   in 
  Martinique 
  and 
  in 
  Jamaica, 
  we 
  have 
  excluded 
  from 
  the 
  

   catalogue. 
  Cylindrella 
  alabastrina 
  Pfr., 
  a 
  sinistrorsal 
  vari- 
  

   ety 
  of 
  C. 
  Humboldliana 
  Pfr,, 
  and 
  a 
  uniformly 
  white 
  variety 
  

   of 
  C. 
  variegata 
  Pfr., 
  Cuban 
  species, 
  are 
  also 
  said 
  to 
  occur 
  in 
  

   Jamaica, 
  but 
  we 
  have 
  not 
  yet 
  identified 
  them, 
  

  

  BuUmus 
  rufescens 
  G-ray 
  and 
  Helix 
  Martiniana 
  Pfr, 
  are 
  

   also 
  unknown 
  to 
  us. 
  The 
  latter 
  is 
  referred 
  to 
  Jamaica 
  on 
  

   the 
  authority 
  of 
  Attanasio, 
  a 
  dealer 
  who 
  collected 
  some 
  of 
  

   the 
  shells 
  of 
  Jamaica 
  during 
  a 
  visit 
  to 
  the 
  island. 
  On 
  the 
  

   same 
  authority 
  H. 
  Okeniana 
  Pfr, 
  is 
  said 
  to 
  occur 
  at 
  Savanna- 
  

   la-mar, 
  Having 
  seen 
  a 
  specimen 
  kindly 
  loaned 
  to 
  us 
  by 
  Mr. 
  

   Cuming, 
  we 
  think 
  it 
  distinct 
  from 
  any 
  of 
  our 
  shells. 
  It 
  ap- 
  

  

  