﻿COOKE: 
  THE 
  KADULA 
  IN 
  THAIS, 
  ETC. 
  101 
  

  

  denticle 
  on 
  the 
  inside 
  ; 
  outside, 
  2-3 
  well-marked 
  blunt 
  denticles, 
  

   not 
  climbing 
  ; 
  kuob 
  strong. 
  

  

  Several 
  specimens 
  from 
  Mauritius 
  correspond 
  with 
  this. 
  

  

  digitata, 
  Lam., 
  and 
  var. 
  lohata, 
  Blainv. 
  : 
  S. 
  Pacific. 
  General 
  

   appearance 
  of 
  rhachidian 
  comb-shaped, 
  very 
  obtusely 
  angled 
  in 
  the 
  

   centre; 
  a 
  short, 
  thick, 
  blunt-pointed 
  central, 
  mounted 
  on 
  a 
  sort 
  of 
  

   base 
  ; 
  the 
  side 
  cusps 
  are 
  replaced 
  by 
  a 
  series 
  of 
  tootli-like 
  denticles 
  

   set 
  on 
  a 
  frame; 
  that 
  nearest 
  the 
  centre 
  is 
  three-pronged 
  on 
  a 
  broad 
  

   base, 
  then 
  come 
  five 
  long, 
  prominent, 
  deeply 
  cut 
  denticles, 
  equidistant" 
  

   from 
  one 
  another, 
  inclined 
  sliglitly 
  outwards; 
  laterals 
  small, 
  tliin, 
  

   somewhat 
  hooked; 
  base 
  obtusely 
  angled 
  in 
  the 
  middle. 
  

  

  (lumosa, 
  Conr. 
  : 
  Hilo, 
  Hawaii. 
  A 
  somewhat 
  different 
  type 
  ; 
  

   central 
  cusp 
  rather 
  tliick, 
  narrow-pointed 
  ; 
  side 
  cusps 
  sharp, 
  mucli 
  

   smaller; 
  both 
  central 
  and 
  side 
  cusps 
  appear 
  to 
  be 
  rather 
  deeply 
  

   rooted 
  in 
  the 
  mass 
  of 
  the 
  tooth, 
  central 
  a 
  little 
  sunk 
  in; 
  a 
  sharp 
  

   interior 
  denticle 
  adjacent 
  to, 
  but 
  separate 
  from, 
  the 
  side 
  cusp, 
  and 
  

   deeply 
  rooted; 
  outside, 
  1-3 
  small 
  denticles, 
  not 
  climbing; 
  knob 
  

   bluntly 
  broadly 
  raised 
  ; 
  base 
  that 
  of 
  Thais, 
  not 
  projecting 
  in 
  the 
  

   centre. 
  

  

  horn'da, 
  Lara. 
  : 
  S. 
  Pacific 
  ; 
  Hilo, 
  Hawaii. 
  Central 
  cusp 
  long, 
  

   sharp, 
  narrow, 
  but 
  scarcely 
  longer 
  than 
  the 
  side 
  cusps; 
  side 
  cusps 
  

   rather 
  broad, 
  very 
  strongly 
  denticled 
  ratlier 
  high 
  up 
  inside, 
  point 
  of 
  

   denticle 
  turning 
  towards 
  the 
  cusp 
  ; 
  3-4 
  outside 
  denticles, 
  innermost 
  

   rising 
  somewhat 
  on 
  the 
  side 
  cusp; 
  knob 
  prominent; 
  base 
  curving 
  

   slightly 
  inward. 
  

  

  V 
  hystrix, 
  L. 
  : 
  Mauritius. 
  Central 
  cusp 
  long, 
  narrow, 
  scarcely 
  

   longer 
  than 
  the 
  side 
  cusps 
  ; 
  side 
  cusps 
  long, 
  narrow, 
  strongly 
  

   denticled 
  on 
  the 
  inside, 
  point 
  of 
  denticle 
  inclining 
  towards 
  the 
  

   cusp; 
  outside, 
  one 
  small, 
  well-marked 
  denticle 
  close 
  to 
  the 
  outer 
  

   base 
  of 
  the 
  side 
  cusp, 
  but 
  not 
  climbing; 
  knob 
  prominent; 
  base 
  as 
  in 
  

   horridum 
  ; 
  laterals 
  very 
  long 
  and 
  narrow. 
  (Fig. 
  20.) 
  

  

  iodostoma, 
  Less.: 
  Sandwich 
  Is. 
  Central 
  cusp 
  long, 
  sharp, 
  narrow, 
  

   side 
  cusps 
  long 
  and 
  sharp, 
  about 
  two-thirds 
  length 
  of 
  central, 
  set 
  inside 
  

   with 
  a 
  very 
  sharp, 
  long, 
  and 
  prominent 
  denticle, 
  whose 
  point 
  curves 
  

   slightly 
  inward 
  ; 
  outside, 
  2-3 
  prominent 
  sharp 
  denticles, 
  one 
  more 
  

   or 
  less 
  climbing; 
  knob 
  prominent; 
  laterals 
  long 
  and 
  narrow, 
  slightly 
  

   hooked 
  at 
  the 
  tips. 
  (Fig. 
  21.) 
  

  

  moms, 
  Lam. 
  : 
  S. 
  Pacific. 
  Rhachidian 
  quite 
  typical 
  of 
  this 
  group 
  ; 
  

   median 
  and 
  side 
  cusps 
  rather 
  sharp, 
  short, 
  and 
  nearly 
  equal 
  in 
  size 
  ; 
  

   at 
  inner 
  base 
  of 
  the 
  side 
  cusps 
  is 
  a 
  large 
  denticle, 
  so 
  deeply 
  cut 
  that 
  

   it 
  almost 
  appears 
  separate 
  from 
  the 
  cusp 
  ; 
  outside, 
  two 
  isolated 
  

   denticles; 
  knob 
  prominent; 
  laterals 
  rather 
  narrow, 
  slightly 
  hooked 
  

   at 
  tip. 
  

  

  ricinus, 
  L. 
  : 
  Hilo, 
  Hawaii. 
  Central 
  and 
  side 
  cusps 
  shortish, 
  and 
  

   rather 
  broad 
  at 
  their 
  base 
  ; 
  side 
  cusps 
  three-fourths 
  length 
  of 
  central, 
  

   with 
  a 
  strong 
  denticle 
  at 
  the 
  inside 
  base, 
  the 
  point 
  inclining 
  some- 
  

   what 
  inward; 
  on 
  the 
  outside 
  are 
  three 
  well-marked 
  denticles, 
  two 
  

   of 
  which 
  are 
  somewhat 
  distant 
  from 
  the 
  base 
  of 
  the 
  cusp, 
  and 
  one, 
  

   smaller, 
  climbs. 
  (Fig. 
  22.) 
  

  

  squamosa, 
  Pease: 
  Durban, 
  Scottburgh 
  (H. 
  C. 
  Burnup). 
  Central 
  

  

  