﻿G-. 
  M. 
  Thomson.— 
  iVeM' 
  Zealand 
  Crustacea. 
  237 
  

  

  the 
  incisive 
  edge 
  not 
  furnished 
  with 
  teeth 
  ; 
  armed 
  upon 
  the 
  anterior 
  margin 
  

   with 
  a 
  stout 
  tubercle 
  ; 
  secondary 
  or 
  moveable 
  plate 
  wanting. 
  Maxillipeds 
  

   with 
  large 
  squamiform 
  processes 
  attached 
  to 
  the 
  third 
  and 
  fourth 
  joints. 
  

   Fhst 
  pair 
  of 
  gnathopoda 
  not 
  subchelate. 
  The 
  second 
  pair 
  subchelate, 
  

   imperfectly 
  developed, 
  long, 
  and 
  membranous. 
  Ischium 
  and 
  carpus 
  long. 
  

   Dactylos 
  rudimentary. 
  Coxge 
  of 
  the 
  gnathopoda 
  and 
  the 
  two 
  anterior 
  pairs 
  

   of 
  pereiopoda 
  deeper 
  than 
  their 
  respective 
  segments 
  of 
  the 
  pereion 
  ; 
  those 
  of 
  

   the 
  second 
  pau' 
  of 
  pereiopoda 
  produced 
  iuferiorly 
  and 
  posteriorly. 
  Coxes 
  of 
  

   the 
  fourth 
  pair 
  much 
  shorter 
  than 
  the 
  third. 
  Pereiopoda 
  subequal. 
  

   Posterior 
  pak 
  of 
  pleopoda 
  double-branched. 
  Telson 
  single, 
  squamiform, 
  

   entire. 
  

   12. 
  Lysianassa 
  kroyeri, 
  Spence 
  Bate, 
  Brit. 
  Mus. 
  Cat. 
  Amphip., 
  p. 
  65. 
  

  

  Ephippiphora 
  kr'oyeri, 
  White, 
  Ann. 
  and 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  2, 
  vol. 
  i., 
  p. 
  226, 
  

   1848 
  ; 
  and 
  Zool. 
  Erebus 
  and 
  Terror, 
  pi. 
  5. 
  

  

  Animal 
  not 
  much 
  compressed, 
  smoothly 
  arcuate 
  ; 
  a 
  dorsal 
  sinus 
  in 
  the 
  

   fourth 
  segment 
  of 
  the 
  pleon. 
  Eyes 
  reniform. 
  Superior 
  antennae 
  having 
  

   the 
  first 
  joint 
  of 
  the 
  peduncle 
  reaching 
  scarcely 
  beyond 
  the 
  ocular 
  process 
  

   of 
  the 
  cephalon, 
  the 
  second 
  and 
  third 
  joints 
  very 
  short 
  ; 
  the 
  flagellum 
  not 
  

   longer 
  than 
  the 
  peduncle. 
  Inferior 
  antennse 
  three 
  times 
  as 
  long 
  as 
  the 
  

   superior, 
  the 
  peduncle 
  not 
  extending 
  beyond 
  the 
  peduncle 
  of 
  the 
  superior 
  

   flagellum. 
  First 
  pair 
  of 
  gnathopoda 
  having 
  the 
  propodos 
  nearly 
  three 
  

   times 
  as 
  long 
  as 
  the 
  carpus, 
  and 
  armed 
  upon 
  the 
  under 
  side 
  with 
  a 
  strong 
  

   curved 
  spine 
  near 
  the 
  base 
  of 
  the 
  dactylos. 
  Second 
  pair 
  of 
  gnathopoda 
  

   having 
  the 
  propodos 
  a 
  httle 
  shorter 
  than 
  the 
  carpus, 
  and 
  both 
  iuferiorly 
  

   covered 
  with 
  minute 
  denticles 
  ; 
  the 
  propodos 
  furnished 
  upon 
  the 
  superior 
  

   margin 
  with 
  tufts 
  of 
  long 
  hair, 
  serrated 
  on 
  both 
  margins 
  ; 
  palm 
  short, 
  

   inferior 
  angle 
  produced 
  into 
  a 
  tubercle 
  ; 
  dactylos 
  not 
  so 
  long 
  as 
  the 
  palm. 
  

   Coxse 
  of 
  the 
  second 
  pair 
  of 
  pereiopoda 
  having 
  the 
  lower 
  half 
  of 
  the 
  posterior 
  

   margin 
  greatly 
  produced. 
  Posterior 
  pair 
  of 
  pleopoda 
  having 
  the 
  rami 
  much 
  

   longer 
  than 
  the 
  basal 
  articulation. 
  

  

  Dunedin. 
  

  

  This 
  species 
  was 
  originally 
  described 
  from 
  Tasmania, 
  where 
  it 
  was 
  

   obtained 
  by 
  Sir 
  J. 
  C. 
  Boss. 
  Its 
  length 
  is 
  stated 
  at 
  1 
  inch, 
  but 
  none 
  of 
  the 
  

   specimens 
  examined 
  by 
  me 
  exceeded 
  -3 
  inch. 
  

  

  Genus 
  Dexamine, 
  Leach, 
  Edin. 
  Encyc. 
  vii., 
  p. 
  433 
  ; 
  Sjo. 
  Bate, 
  Brit. 
  Mus. 
  

   Cat. 
  Amphip. 
  Crust., 
  p. 
  130. 
  

   Antennae 
  long, 
  subequal, 
  slender; 
  superior 
  not 
  appendiculated 
  ; 
  peduncle 
  

   consisting 
  of 
  only 
  two 
  joiuts, 
  the 
  third 
  not 
  being 
  distinguishable 
  from 
  the 
  

   first 
  of 
  the 
  flagellum. 
  Mandibles 
  without 
  an 
  appendage. 
  Gnathopoda 
  

   subequal, 
  feeble, 
  subchelate. 
  Coxae 
  of 
  the 
  third 
  pair 
  of 
  pereiopoda 
  about 
  

   haK 
  as 
  deep 
  as 
  the 
  preceding; 
  dactyla 
  of 
  all 
  the 
  pereiopoda 
  generally 
  

  

  