﻿240 
  Transactions. 
  — 
  Zoology. 
  

  

  16. 
  Calliojje 
  diclactyla, 
  nov. 
  sp. 
  Fig. 
  C.3. 
  

  

  Cepbalon 
  without 
  a 
  rostrum 
  ; 
  the 
  whole 
  back 
  of 
  the 
  animal 
  smooth. 
  

   Superior 
  antennse 
  two-thirds 
  as 
  long 
  as 
  inferior 
  ; 
  joints 
  of 
  the 
  peduncle 
  

   .subequal; 
  flagellum 
  about 
  17-jointed, 
  each 
  articulation 
  with 
  an 
  auditory 
  

   cilium 
  and 
  a 
  few 
  short 
  hairs. 
  Lower 
  antennas 
  with 
  the 
  peduncle 
  extending 
  

   to 
  middle 
  of 
  flagellum 
  of 
  upper 
  ; 
  basal 
  joint 
  very 
  short, 
  next 
  two 
  subequal 
  ; 
  

   ^flagellum 
  about 
  15-jointed. 
  First 
  pair 
  of 
  gnathopoda 
  small; 
  carpus. 
  pro- 
  

   duced 
  posteriorly 
  into 
  a 
  large 
  acute 
  projection 
  ; 
  propodos 
  subquadrate, 
  

   bulged 
  posteriorly, 
  with 
  an 
  ill-defined 
  palm, 
  and 
  bearing 
  a 
  double-clawed 
  

   dactylos. 
  Second 
  pair 
  of 
  gnathopoda 
  large, 
  carpus 
  triangular, 
  acute, 
  its 
  

   inferior 
  portion 
  separated 
  into 
  a 
  narrow, 
  arcuate 
  projection, 
  ciliated 
  on 
  its 
  

   lower 
  margin, 
  and 
  curving 
  slightly 
  round 
  the 
  base 
  of 
  the 
  propodos 
  ; 
  pro- 
  

   podos 
  dilated, 
  ovate, 
  with 
  an 
  oblique 
  and 
  tolerably 
  well-defined 
  palm, 
  

   marked 
  by 
  a 
  double 
  row 
  of 
  long 
  teeth, 
  and 
  its 
  base 
  by 
  two 
  stout 
  spines 
  ; 
  

   dactylos 
  arcuate, 
  with 
  a 
  double 
  row 
  of 
  very 
  short, 
  sharp, 
  equi-distant 
  teeth. 
  

   First 
  and 
  second 
  pairs 
  of 
  pereiopoda 
  slender 
  ; 
  other 
  pairs 
  somewhat 
  larger. 
  

   Penultimate 
  pair 
  of 
  pleopoda 
  reaching 
  slightly 
  beyond 
  the 
  ultimate 
  ; 
  rami 
  of 
  

   all 
  the 
  pleopoda 
  spinose. 
  Telson 
  foliaceous, 
  truncate, 
  slightly 
  produced 
  at 
  

   the 
  apex. 
  

  

  Female. 
  Both 
  pairs 
  of 
  ngathopoda 
  small, 
  subequal 
  ; 
  carpus 
  developed 
  

   posteriorly 
  into 
  an 
  obtuse 
  projection, 
  which 
  has 
  a 
  small 
  fringe 
  at 
  its 
  apex 
  ; 
  

   propodos 
  with 
  a 
  transverse 
  palm; 
  dactylos 
  single 
  and 
  slightly 
  toothed. 
  

  

  Whole 
  body 
  of 
  a 
  rich 
  brown 
  colour, 
  with 
  greenish 
  grey 
  eyes. 
  Length, 
  

   about 
  '3 
  inch. 
  

  

  Among 
  kelp 
  washed 
  upon 
  the 
  beach 
  at 
  Taieri 
  mouth. 
  

  

  (When 
  preserved 
  in 
  spirits 
  the 
  body 
  becomes 
  yellowish-white 
  in 
  colour, 
  

   and 
  the 
  eyes 
  jet 
  black.) 
  

  

  17. 
  Calliope 
  flmiatilis, 
  nov. 
  sp. 
  Fig. 
  C.4. 
  

  

  Cepbalon 
  without 
  a 
  rostrum. 
  Body 
  slender, 
  compressed. 
  Eyes 
  large, 
  

   black, 
  rounded. 
  Upper 
  antennse 
  about 
  one-fourth 
  shorter 
  than 
  lower 
  ; 
  

   peduncle 
  — 
  with 
  apparently 
  only 
  two 
  joints 
  — 
  not 
  reaching 
  to 
  extremity 
  of 
  

   penultimate 
  joint 
  of 
  peduncle 
  of 
  lower. 
  First 
  pair 
  of 
  gnathopoda 
  rather 
  

   smaller 
  than 
  second; 
  carpus 
  triangular, 
  developed 
  posteriorly 
  into 
  a 
  rounded 
  

   lobe, 
  ciliated 
  at 
  the 
  extremity; 
  propodos 
  oval, 
  palm 
  transverse, 
  dactylos 
  

   acute, 
  nearly 
  straight, 
  half 
  as 
  long 
  as 
  propodos. 
  Second 
  pair 
  of 
  gnathopoda 
  

   apparently 
  reversed 
  ; 
  carpus 
  produced 
  anteriorly 
  (posteriorly) 
  into 
  a 
  narrow 
  

   obtuse 
  lobe. 
  Last 
  pair 
  of 
  pereiopoda 
  much 
  longer 
  than 
  preceding. 
  Pleo- 
  

   poda 
  long 
  and 
  slender; 
  antepenultimate 
  and 
  penultimate 
  pau's 
  reaching 
  to 
  

   extremity 
  of 
  the 
  ultimate. 
  Telson 
  squamiform, 
  rounded, 
  entire. 
  Colour 
  

   greyish, 
  more 
  or 
  less 
  marked 
  with 
  dark 
  spots, 
  and 
  frequently 
  covered 
  with 
  

   circular, 
  wart-Hke 
  markings. 
  Length 
  '2 
  inch. 
  

  

  Common 
  in 
  fresh 
  water 
  round 
  Dunedin, 
  

  

  