﻿GUDE 
  : 
  NEW 
  LAND 
  SHELLS 
  FKOM 
  CHINA. 
  

  

  119 
  

  

  Hab. 
  — 
  Min 
  Valley, 
  Szechuen. 
  Type 
  in 
  my 
  collection. 
  

  

  Hitherto 
  only 
  two 
  species 
  of 
  Trochomorpha 
  have 
  been 
  recorded 
  

   from 
  China, 
  i.e. 
  T. 
  horealis, 
  MlklfF.,' 
  from 
  Szechuen, 
  and 
  2'. 
  samara, 
  

   Heude,^ 
  from 
  Talifu. 
  

  

  The 
  new 
  species 
  is 
  larger 
  than 
  either, 
  and 
  diflFers 
  by 
  the 
  granulated 
  

   sculpture. 
  One 
  specimen 
  in 
  Lady 
  Lyons' 
  collection 
  measures 
  

   14-75 
  X 
  13 
  X 
  45 
  mm. 
  

  

  TRICHOCATHAICA, 
  n.subg. 
  

  

  Differs 
  from 
  the 
  other 
  sub-genera 
  of 
  Cathaica 
  in 
  having 
  a 
  hairy 
  

   periostracum. 
  Type, 
  T. 
  Lyonsce. 
  

  

  Cathaica 
  (Tkichocathaica) 
  lyons^, 
  n.sp. 
  

  

  Shell 
  sinistral, 
  rather 
  widely 
  and 
  deeply 
  umbilicated, 
  depressed 
  

   conoid, 
  finely 
  and 
  closely 
  striate 
  xmder 
  a 
  granulated 
  periostracum. 
  

   Spire 
  depressed, 
  suture 
  impressed, 
  apex 
  obtuse. 
  Whorls 
  6, 
  increasing 
  

   slowly 
  at 
  fi.rst, 
  then 
  rather 
  suddenly, 
  slightly 
  convex 
  above, 
  

   subangulated 
  around 
  the 
  periphery, 
  strongl)'^ 
  convex 
  below, 
  siib- 
  

   angulated 
  around 
  the 
  umbilicus; 
  the 
  nucleus 
  shining, 
  the 
  remaining 
  

   whorls 
  coveredwith 
  rather 
  long,distant 
  setae; 
  thelastwhorl 
  descending 
  

   in 
  front. 
  Aperture 
  oblique, 
  siib-ovate, 
  peristome 
  white, 
  slightly 
  

   thickened, 
  the 
  upper 
  margin 
  straight, 
  outer 
  and 
  basal 
  sharplv 
  

   reflexed, 
  columellar 
  slightly 
  overhanging 
  the 
  umbilicus. 
  

  

  Diam. 
  maj. 
  18, 
  min. 
  16 
  mm.; 
  alt. 
  8-5 
  ram. 
  

  

  Hab. 
  — 
  Min 
  Valley, 
  Szechuen. 
  Type 
  in 
  my 
  collection. 
  

  

  The 
  new 
  species 
  differs 
  from 
  all 
  the 
  other 
  members 
  of 
  the 
  genus 
  

   Cathaica 
  in 
  the 
  hairy 
  periostracum 
  and 
  the 
  sinistral 
  coiling. 
  

   A 
  specimen 
  in 
  Lady 
  Lyons' 
  collection 
  measures 
  : 
  20 
  X 
  17 
  X 
  8'5 
  mm. 
  

  

  ^ 
  Naclir. 
  Bl. 
  Deutsch. 
  Malak. 
  Gesell., 
  1888, 
  p. 
  39. 
  

  

  " 
  Mem. 
  Hist. 
  Nat. 
  Emp. 
  Chin., 
  i, 
  pt. 
  4, 
  p. 
  142, 
  pi. 
  xxxvii, 
  fig. 
  3, 
  1890. 
  

  

  