﻿m 
  

  

  Transactions, 
  — 
  Zoology 
  i 
  

  

  Body 
  carrying 
  a 
  few 
  minute 
  tubercles, 
  the 
  most 
  conspicuous 
  being 
  the 
  

   one 
  on 
  the 
  cephalon, 
  and 
  the 
  most 
  constant 
  those 
  upon 
  the 
  posterior 
  seg- 
  

   ments 
  of 
  the 
  pereion. 
  First 
  segment 
  of 
  the 
  pereion 
  long 
  ; 
  second 
  scarcely 
  

   longer 
  than 
  the 
  first 
  ; 
  the 
  three 
  succeeding 
  rather 
  shorter, 
  sub-equal. 
  

   Superior 
  antennae 
  not 
  half 
  the 
  length 
  of 
  the 
  animal 
  ; 
  inferior 
  scarcely 
  

   reaching 
  beyond 
  the 
  second 
  joint 
  of 
  the 
  peduncle 
  of 
  the 
  superior. 
  Second 
  

   pair 
  of 
  gnathopoda 
  articulating 
  with 
  the 
  pereion 
  posteriorly 
  to 
  the 
  centre 
  

   of 
  the 
  second 
  segment 
  ; 
  propodos 
  long-ovate, 
  palm 
  defined 
  by 
  one 
  and 
  

   armed 
  with 
  two 
  teeth, 
  the 
  anterior 
  one 
  beiiag 
  often 
  less 
  perfectly 
  defined 
  

   than 
  the 
  posterior. 
  Three 
  posterior 
  pairs 
  of 
  pereiopoda 
  having 
  the 
  propoda 
  

   with 
  the 
  anterior 
  margin 
  excavate 
  ; 
  the 
  part 
  against 
  which 
  the 
  closed 
  

   dactylos 
  impinges 
  armed 
  with 
  two 
  stilf 
  corrugated 
  spines. 
  

  

  Hab 
  : 
  Cook 
  Strait. 
  

  

  The 
  only 
  examples 
  of 
  the 
  genus 
  Squilla 
  yet 
  recorded 
  from 
  New 
  Zealand 
  

   are 
  S. 
  nepa, 
  Cat. 
  N.Z. 
  Crust., 
  p. 
  89, 
  and 
  S. 
  armata, 
  M. 
  Edw., 
  Trans. 
  N.Z. 
  

   Inst., 
  IX., 
  p. 
  474. 
  It 
  is 
  with 
  very 
  great 
  pleasure 
  I 
  now 
  add 
  a 
  third. 
  In 
  

   addition 
  to 
  the 
  specimen 
  exhibited, 
  which 
  was 
  obtained 
  at 
  the 
  Chatham 
  

   Islands, 
  another, 
  unfortunately 
  mutilated, 
  was 
  secured 
  by 
  H. 
  B. 
  Kirk 
  while 
  

   on 
  a 
  visit 
  to 
  Kapiti. 
  

  

  Squilla 
  ivdefensa, 
  sp. 
  nov. 
  

  

  Eostral 
  plate 
  semi-oval, 
  and 
  pointed 
  at 
  its 
  

   distal 
  extremity. 
  Carapace 
  retracted 
  in 
  front, 
  

   expanded 
  and 
  rounded 
  behind, 
  smooth, 
  the 
  

   antero-lateral 
  angles 
  rounded 
  and 
  slightly 
  

   produced 
  forward 
  ; 
  large 
  prehensile 
  limbs 
  with 
  

   terminal 
  joint 
  as 
  long 
  as 
  preceding 
  one, 
  and 
  

   armed 
  with 
  nine 
  spines 
  ; 
  abdomen 
  smooth, 
  

   terminal 
  segment 
  with 
  six 
  marginal 
  spines, 
  

   and 
  three 
  depressed 
  longitudinal 
  ridges 
  which 
  

   terminate 
  posteriorly 
  in 
  spines. 
  

  

  Length, 
  2|- 
  inches. 
  

  

  Hah 
  : 
  Chatham 
  Islands 
  and 
  Kapiti. 
  

  

  This 
  species 
  is 
  easily 
  distinguished 
  by 
  the 
  

   absence 
  of 
  carinse 
  on 
  the 
  abdomen, 
  and 
  by 
  

   the 
  absence 
  of 
  the 
  antero-lateral 
  spines 
  of 
  the 
  

   carapace. 
  

  

  Ehalia. 
  

  

  Ebalia, 
  Leach, 
  Zool. 
  Misc. 
  III. 
  

  

  External 
  antenn£e 
  extremely 
  minute, 
  inserted 
  in 
  the 
  inner 
  canthus 
  of 
  

  

  the 
  orbit 
  ; 
  internal 
  antennse 
  lying 
  in 
  oblique 
  fossse, 
  which 
  are 
  entu^ely 
  

  

  separated 
  by 
  a 
  small 
  process 
  of 
  the 
  epistome, 
  and 
  concealed 
  by 
  the 
  front 
  ; 
  

  

  external 
  pedipalps 
  elongato-triangular, 
  reaching 
  forward 
  to 
  the 
  margin 
  of 
  

  

  