﻿MOLLUSQUES 
  TERRESTRES 
  ET 
  FLUVIATILES. 
  155 
  

  

  tion 
  défectueuse 
  de 
  M. 
  Gray, 
  et 
  nous 
  n'avons 
  guère, 
  sous 
  ce 
  rapport, 
  à 
  excepter 
  

   que 
  M. 
  Morch'. 
  

  

  SECTIO 
  1. 
  

  

  MORELETIA, 
  Gray. 
  

  

  1. 
  ZONITES 
  EURYOMPHALUS, 
  Pfeiffer. 
  

  

  (PI. 
  VII, 
  lig. 
  u 
  laetib.) 
  

  

  Hélix 
  eunjomphala, 
  Pfeiffer, 
  Proceed. 
  Zool. 
  Soc. 
  ofLondon, 
  part 
  XIII, 
  p. 
  71 
  , 
  i8i5. 
  

  

  Hélix 
  eunjomphala, 
  Pfeiffer, 
  Monog. 
  Heliceorum, 
  vol. 
  I, 
  p. 
  107, 
  i848. 
  

  

  Hélix 
  cymhalum 
  , 
  Morelel, 
  Test, 
  noviss. 
  I, 
  n° 
  1, 
  p. 
  7, 
  iSig. 
  

  

  Hélix 
  ewyomphala 
  , 
  Morelet, 
  Test, 
  noviss. 
  II, 
  p. 
  27, 
  1801. 
  

  

  Hélix 
  euryomphala 
  , 
  Morelet. 
  Journ. 
  de 
  Conchyliologie, 
  vol. 
  II, 
  p. 
  li, 
  pi. 
  II. 
  (ig. 
  6, 
  i85i. 
  

  

  Hélix 
  euryomphala, 
  Pfeiffer, 
  dans 
  Ghemnitz, 
  éd. 
  nov. 
  p. 
  896, 
  pi. 
  GX.L1V, 
  (jg. 
  1, 
  9, 
  iSS^i. 
  

  

  Hélix 
  euryomphala, 
  Reeve, 
  Conch. 
  Iconica, 
  533, 
  pi. 
  XG\'1I, 
  1802. 
  

  

  Hélix 
  euryomphala, 
  Pfeiffer, 
  Monog. 
  Heliceorum, 
  vol. 
  III, 
  p. 
  101. 
  i853. 
  

  

  Patula 
  euryomphala 
  , 
  Pfeiffer, 
  Vers. 
  p. 
  126, 
  i855. 
  

  

  Moreletia 
  euryomphala, 
  Gray, 
  Catal. 
  Pulinon. 
  p. 
  ii8, 
  i855. 
  

  

  Hélix 
  euryoynphala 
  , 
  Pfeiffer, 
  Monog. 
  Heliceorum, 
  vol. 
  IV, 
  p. 
  97, 
  i 
  889. 
  

  

  Zonites 
  euryomphalus 
  (Moreletia), 
  Albers, 
  Heliceen, 
  éd. 
  Martens, 
  p. 
  67, 
  1860. 
  

  

  Hélix 
  euryomphala, 
  Trislram, 
  Proceed. 
  Zool. 
  Soc. 
  o/London, 
  p. 
  280, 
  1861. 
  

  

  Hélix 
  euryomphala, 
  Tristram, 
  Proceed. 
  Zool. 
  Soc. 
  qf 
  London, 
  p. 
  hii 
  , 
  i863. 
  

  

  Hélix 
  euryomphala, 
  Môrcli, 
  Journ.de 
  Conchyliologie, 
  vol. 
  XIII. 
  p. 
  384, 
  i865. 
  

  

  Hélix 
  euryomphala, 
  Pfeiffer, 
  Monog. 
  Hcliceonm, 
  vol. 
  V, 
  p. 
  161, 
  1868. 
  

  

  Testa 
  penie 
  wnhilicata., 
  orbicidato-convexa 
  , 
  tennis, 
  pellucida, 
  sat 
  nitida, 
  regulariler 
  et 
  tenuissime 
  costidato- 
  

   strtata, 
  lineis 
  coiicentricis 
  , 
  raris, 
  vix 
  conspicuis 
  obsoletissime 
  clemssata, 
  sub 
  epulermide 
  olwaceo-cornea 
  , 
  per- 
  

   stante, 
  albida; 
  spira 
  paruni 
  elevata, 
  apwe 
  obtusa; 
  sutura 
  sat 
  profunde 
  impressa; 
  anfractus 
  6 
  convexhtsculi 
  , 
  

   ultimus 
  dilatatus, 
  subdepressus 
  , 
  non 
  descendens, 
  basi 
  distantius 
  striatus, 
  mtidi.s.simus 
  ; 
  aperiura 
  oblique 
  hmato- 
  

   ovalis, 
  intus 
  submargaritacea 
  , 
  albida; 
  peristoma 
  simplex, 
  rectum, 
  colore 
  oliraceo-nigricnnte 
  limbatuin, 
  margi- 
  

   nibus 
  convergentibus 
  , 
  cohimeUari 
  intus 
  leviter 
  dilatato, 
  albido, 
  basali 
  et 
  exlerno 
  acutis. 
  

  

  Ammal 
  pallide 
  griseum, 
  rugis 
  satiiratioribus 
  , 
  usque 
  ad 
  buccani 
  perstantibus 
  longtluduialiter 
  sulcatum 
  ; 
  

   caput 
  cœrulea-nigricans 
  ; 
  tentacula 
  nigra, 
  conica 
  ; 
  processus 
  labiales 
  parvi, 
  vivide 
  lutei; 
  discus 
  a 
  corpore 
  stilco 
  

   profundo, 
  nigro 
  separatus, 
  transversim 
  radia 
  tus, 
  pallide 
  castaneus 
  , 
  postice 
  subobtusus 
  , 
  poro 
  muciparo 
  lato, 
  conco- 
  

   îore 
  perforatus. 
  

  

  Diam. 
  maj. 
  ieslœ 
  ào 
  mill., 
  min. 
  3à, 
  ait. 
  18. 
  — 
  Aperiura 
  17 
  mill. 
  longa, 
  ik 
  lata 
  (Mus. 
  Parisiense). 
  

  

  Habitat 
  Coban, 
  tn 
  promicia 
  Vera 
  Paz 
  dicta, 
  Guatemalw, 
  m 
  montibus 
  nemorosis 
  (A. 
  Morelet); 
  in 
  sdns 
  

   montanis 
  provinciœ 
  Vera 
  Paz 
  (0. 
  Saivin); 
  in 
  montibus 
  provinciœ 
  Vera 
  Paz 
  dictœ 
  (Bocourt). 
  

  

  Coquille 
  munie 
  d'un 
  ombilic 
  large 
  et 
  laissant 
  apercevoir 
  les 
  premiers 
  tours, 
  de 
  

   forme 
  orbiculaire-convexe, 
  mince, 
  translucide, 
  marquée 
  de 
  stries 
  costuliformes 
  lon- 
  

  

  ' 
  Journal 
  de 
  Conchyliologie, 
  vol. 
  XIII, 
  p. 
  383, 
  t865. 
  

  

  