﻿312 
  Transactions. 
  — 
  Zoology. 
  

  

  The 
  animal 
  fastens 
  pieces 
  of 
  broken 
  shells, 
  small 
  stones, 
  etc., 
  to 
  its 
  

   column, 
  and 
  when 
  retracted 
  looks 
  like 
  a 
  small 
  heap 
  of 
  gravel. 
  The 
  com- 
  

   pound 
  tentacles 
  are 
  not 
  sensitive. 
  Its 
  nearest 
  ally 
  is 
  Metridium 
  muscoswn 
  

   Drayton, 
  from 
  New 
  South 
  Wales, 
  which 
  Milne-Edwards 
  and 
  Haime 
  have 
  

   placed 
  in 
  their 
  genus 
  Oulactis. 
  Occasionally 
  some 
  of 
  the 
  lobes 
  of 
  the 
  

   compound 
  tentacles 
  are 
  pink 
  or 
  orange. 
  

  

  Sagaktiad^, 
  

   All 
  the 
  tentacles 
  simple. 
  Column 
  pierced 
  with 
  loop-holes. 
  

  

  Gregoria, 
  Gosse, 
  

   Disc 
  imperfectly 
  retractile 
  ; 
  column 
  smooth, 
  without 
  suckers, 
  perforated 
  

   by 
  a 
  few 
  large 
  loop-holes. 
  

  

  Gregoria 
  albocincta, 
  sp. 
  nov. 
  

   Column 
  cylindrical, 
  broader 
  than 
  high 
  ; 
  yellowish- 
  orange, 
  vertically 
  

   striped 
  with 
  yellowish-green, 
  each 
  band 
  having 
  a 
  central 
  line 
  of 
  darker 
  

   green. 
  Disc 
  circular 
  ; 
  reddish 
  orange 
  or 
  brick 
  red, 
  radially 
  streaked 
  with 
  

   darker 
  ; 
  margin 
  not 
  beaded 
  ; 
  month 
  elevated, 
  round 
  ; 
  throat 
  ribbed. 
  Tentacles 
  

   in 
  four 
  indistinct 
  rows 
  round 
  the 
  disc, 
  short, 
  about 
  half 
  the 
  diameter 
  of 
  the 
  

   disc, 
  conical 
  with 
  blunt 
  points, 
  and 
  often 
  much 
  swollen 
  at 
  the 
  base. 
  Their 
  

   colour 
  is 
  opaque 
  white. 
  Diameter, 
  about 
  -3 
  or 
  -4 
  of 
  an 
  inch. 
  

  

  Common 
  in 
  rock-pools 
  near 
  Dunedin. 
  Sometimes 
  the 
  column 
  is 
  vertically 
  

   streaked 
  with 
  red 
  and 
  white. 
  

  

  Anthead^. 
  

   All 
  the 
  tentacles 
  simple. 
  Column 
  imperforate, 
  and 
  smooth. 
  Margin 
  of 
  

   disc 
  not 
  beaded. 
  

  

  , 
  Paractis, 
  M. 
  Edwards. 
  

   Column 
  naked. 
  Tentacles 
  retractile, 
  subulate, 
  sub-equal. 
  

  

  Paractis 
  monilifera. 
  

   Actinia 
  monilifera, 
  Drayton 
  in 
  Dana 
  Expl. 
  Exp., 
  Zooph., 
  p. 
  136. 
  

   Paractis 
  monilifera, 
  M. 
  Ed., 
  Corall. 
  I., 
  p. 
  248. 
  

  

  Column 
  broader 
  than 
  high, 
  dilated 
  at 
  both 
  extremities, 
  where 
  the 
  exterior 
  

   surface 
  has 
  moniliform 
  rugosities, 
  of 
  a 
  pale 
  brown 
  with 
  deeper 
  lines. 
  

   Tentacles 
  longer 
  than 
  the 
  disc, 
  in 
  three 
  rows 
  ; 
  ringed 
  with 
  brown 
  and 
  white. 
  

   Disc 
  yellowish. 
  

  

  Bay 
  of 
  Islands. 
  

  

  Anthea, 
  Johnstone. 
  

  

  Column 
  short, 
  expanded 
  at 
  the 
  base, 
  surface 
  wrinkled. 
  No 
  suckers, 
  

  

  warts, 
  nor 
  loop-holes. 
  Tentacles 
  numerous, 
  submarginal, 
  scarcely 
  retractile. 
  

  

  Anthea 
  olivacea, 
  sp. 
  nov. 
  

  

  Column 
  short, 
  broad, 
  and 
  expanded 
  at 
  the 
  base, 
  slightly 
  horizontally 
  

  

  wrinkled; 
  of 
  an 
  olive 
  green 
  colour 
  down 
  to 
  the 
  base. 
  Disc 
  circular, 
  concave, 
  

  

  ■with 
  the 
  mouth 
  slightly 
  raised 
  ; 
  of 
  a 
  darker 
  green 
  than 
  the 
  column 
  and 
  

  

  