﻿Rev. 
  A. 
  M. 
  Norman's 
  Notes 
  on 
  British 
  Aniphipoda. 
  44 
  7 
  

  

  thirds 
  its 
  length. 
  Second 
  gnathopods 
  (fig. 
  3) 
  somewhat 
  

   stronger 
  than 
  the 
  first 
  ; 
  wrist 
  triangular, 
  widening 
  to 
  the 
  extre- 
  

   mity, 
  and 
  forming 
  a 
  conspicuous 
  lobe 
  below 
  the 
  attachment 
  

   of 
  the 
  hand, 
  this 
  lobe 
  terminating 
  in 
  several 
  spine-like 
  setae 
  ; 
  

   hand 
  nearly 
  straight 
  on 
  the 
  back 
  and 
  convexly 
  rounded 
  below, 
  

   the 
  length 
  double 
  the 
  greatest 
  breadth, 
  which 
  is 
  nearly 
  central 
  ; 
  

   finger 
  long 
  and 
  well 
  curved, 
  an 
  undefined 
  palm 
  to 
  about 
  half 
  

   the 
  length 
  of 
  the 
  hand. 
  Last 
  peraeopods 
  (figs. 
  5 
  and 
  5 
  a) 
  very 
  

   long 
  and 
  slender, 
  when 
  stretched 
  backwards 
  reaching 
  beyond 
  

   the 
  uropods 
  ; 
  basos 
  oblong 
  and 
  produced 
  behind 
  into 
  a 
  down- 
  

   ward 
  directed 
  lobe, 
  and 
  reaching 
  much 
  below 
  the 
  extremity 
  of 
  

   the 
  ischium 
  ; 
  terminal 
  joints 
  very 
  slender, 
  the 
  last 
  without 
  a 
  

   nail, 
  ending 
  in 
  setae. 
  First 
  uropods 
  (fig. 
  6) 
  with 
  branches 
  

   shorter 
  than 
  the 
  peduncle, 
  upper 
  edge 
  of 
  outer 
  branch 
  spinose 
  

   and 
  finely 
  serrated 
  on 
  the 
  edge 
  between 
  the 
  spinules. 
  Last 
  

   uropods 
  (fig. 
  7) 
  consisting 
  of 
  a 
  strong 
  basal 
  joint 
  and 
  two 
  

   leaf-like, 
  broad, 
  membranaceous 
  branches, 
  widely 
  rounded 
  at 
  

   the 
  extremities, 
  and 
  with 
  the 
  margin 
  there 
  obscurely 
  crenulated, 
  

   with 
  minute 
  cilia 
  in 
  the 
  interstices 
  of 
  the 
  crenulations. 
  Telson 
  

   (fig. 
  8) 
  in 
  form 
  as 
  two 
  thirds 
  of 
  an 
  ellipse, 
  cleft 
  to 
  the 
  base, 
  a 
  

   row 
  of 
  minute 
  cilia 
  within 
  the 
  margin. 
  Hinder 
  dorsal 
  mar- 
  

   gin 
  of 
  third 
  segment 
  of 
  pleon 
  serrated 
  and 
  hinder 
  lateral 
  

   margin 
  of 
  the 
  same 
  segment 
  also 
  serrated, 
  the 
  serrations 
  on 
  

   the 
  lower 
  portion 
  (fig. 
  10) 
  set 
  in 
  pairs 
  or 
  threes 
  with 
  a 
  sinus 
  

   between, 
  and 
  at 
  the 
  bottom 
  of 
  each 
  of 
  the 
  sinuses 
  there 
  is 
  

   a 
  cilium. 
  Infero-posteal 
  angle 
  of 
  second 
  segment 
  of 
  pleon 
  

   also 
  produced 
  to 
  a 
  spine-point, 
  above 
  which 
  there 
  are 
  com- 
  

   monly 
  one 
  or 
  two 
  serrations. 
  Length 
  4-5 
  millim. 
  

  

  This 
  species 
  is 
  most 
  frequently 
  taken 
  by 
  means 
  of 
  the 
  

   surface-net 
  at 
  night, 
  it 
  being 
  a 
  very 
  active 
  swimmer. 
  

  

  Hob. 
  Cumbrae, 
  Firth 
  of 
  Clyde 
  (D. 
  Robertson) 
  ; 
  Starcross, 
  

   Devon 
  ; 
  and. 
  Jersey 
  (A. 
  M. 
  N.) 
  ; 
  25 
  miles 
  off 
  May 
  Island, 
  

   Firth 
  of 
  Forth 
  (John 
  Murray) 
  : 
  Mm. 
  Norm. 
  Liverpool 
  Bay 
  ! 
  

   (A. 
  0. 
  Walker). 
  

  

  Fam. 
  (Ediceridse. 
  

   Genus 
  I. 
  MONOCU 
  lodes, 
  Stimpson. 
  

  

  1. 
  Monoculodes 
  carinatus, 
  Bate. 
  (PI. 
  XIX. 
  figs. 
  1—5.) 
  

  

  18-55. 
  Westwoodia 
  carinata, 
  Bate, 
  Brit. 
  Assoc. 
  Rep. 
  p. 
  58. 
  

  

  1859. 
  (Ediceros 
  affinis, 
  Bruzelius, 
  Skand. 
  Amphip., 
  Gammarideae, 
  p. 
  93, 
  

  

  pi. 
  iv. 
  fig. 
  15, 
  $ 
  junior. 
  

   1802. 
  Monoculodes 
  carinatus, 
  Bate 
  & 
  Westw. 
  Brit. 
  Sessile-eyed 
  Crust, 
  

  

  vol. 
  i. 
  p. 
  165 
  (J 
  ?). 
  

   1862. 
  Monoculodes 
  Stimpsoni, 
  iid. 
  ib. 
  p. 
  100, 
  $ 
  junior. 
  

   1^70. 
  Monoculodes 
  affinis, 
  Boeck, 
  Crust. 
  Amphip. 
  bor. 
  et 
  arct. 
  p. 
  84, 
  5 
  . 
  

  

  31* 
  

  

  