﻿456 
  Rev. 
  A. 
  M. 
  Norman's 
  Notes 
  on 
  British 
  Amphipoda. 
  

  

  I 
  have 
  felt 
  some 
  hesitation 
  as 
  to 
  which 
  specific 
  name 
  ought 
  

   to 
  be 
  adopted 
  ; 
  but 
  as 
  both 
  ccecula 
  and 
  hyalina 
  were 
  given 
  

   under 
  a 
  misapprehension 
  of 
  the 
  structure 
  of 
  the 
  species, 
  and 
  

   the 
  former 
  cannot 
  moreover 
  be 
  received, 
  as 
  the 
  name 
  implies 
  

   what 
  is 
  not 
  correct, 
  it 
  has 
  seemed 
  to 
  me 
  best 
  to 
  take 
  the 
  name 
  

   parvimanus, 
  which 
  I 
  the 
  less 
  hesitate 
  to 
  do 
  as 
  Mr. 
  Bate's 
  

   name 
  will 
  still 
  be 
  associated 
  with 
  the 
  species. 
  

  

  The 
  rostrum 
  (fig. 
  10) 
  is 
  well 
  developed, 
  gently 
  arched 
  

   above, 
  and 
  reaches 
  nearly 
  to 
  the 
  end 
  of 
  first 
  joint 
  of 
  anten- 
  

   nules 
  ; 
  the 
  eye 
  is 
  conspicuous, 
  situated 
  in 
  the 
  rostrum 
  and 
  

   very 
  prominent 
  ; 
  in 
  front 
  of 
  the 
  eye 
  the 
  rostrum 
  is 
  suddenly 
  

   contracted 
  and 
  projected 
  as 
  a 
  little 
  point 
  ; 
  and 
  this 
  peculiar 
  

   form 
  of 
  the 
  rostrum 
  at 
  once 
  enables 
  the 
  species 
  to 
  be 
  picked 
  out 
  

   from 
  a 
  gathering 
  of 
  mixed 
  (Ediceridaa. 
  The 
  second 
  joint 
  of 
  

   the 
  antennules 
  in 
  the 
  female 
  is 
  much 
  longer 
  than 
  the 
  first, 
  in 
  

   the 
  male 
  it 
  is 
  subequal 
  to 
  it 
  in 
  length. 
  The 
  first 
  gnathopods 
  

   • 
  (fig. 
  11) 
  have 
  the 
  wrist 
  rather 
  longer 
  than 
  the 
  hand, 
  the 
  front 
  

   margin 
  produced 
  at 
  the 
  middle 
  into 
  a 
  rounded 
  setose 
  lobe, 
  

   which 
  is 
  not 
  porrected 
  ; 
  hand 
  regularly 
  ovate, 
  palm 
  occupying 
  

   half 
  the 
  length. 
  The 
  second 
  gnathopods 
  (fig. 
  12) 
  have 
  very 
  

   much 
  the 
  same 
  character, 
  but 
  the 
  limb 
  is 
  altogether 
  much 
  

   more 
  slender 
  and 
  drawn 
  out 
  ; 
  meros 
  with 
  a 
  little 
  point 
  below 
  ; 
  

   carpus 
  gradually 
  widening 
  from 
  the 
  base 
  to 
  the 
  extremity, 
  

   distally 
  truncate, 
  and 
  much 
  wider 
  than 
  the 
  insertion 
  of 
  the 
  

   hand 
  ; 
  hand 
  shorter 
  than 
  wrist, 
  ovate, 
  palm 
  occupying 
  fully 
  

   half 
  its 
  length. 
  The 
  anterior 
  perajopods 
  (fig. 
  13) 
  have 
  the 
  

   wrist 
  and 
  hand 
  subequal 
  in 
  length 
  and 
  rather 
  shorter 
  than 
  

   the 
  meros, 
  the 
  distal 
  half 
  of 
  the 
  back 
  of 
  the 
  hand 
  bears 
  a 
  dense 
  

   brush 
  of 
  long 
  setae, 
  the 
  nail 
  well 
  developed 
  and 
  nearly 
  as 
  

   long 
  as 
  the 
  hand. 
  The 
  nail 
  of 
  the 
  third 
  and 
  fourth 
  peraeopods 
  

   is 
  very 
  long 
  and 
  acute. 
  Basos 
  of 
  last 
  peraeopods 
  (fig. 
  14) 
  

   widest 
  above, 
  gradually 
  narrowing 
  downwards, 
  length 
  rather 
  

   greater 
  than 
  breadth. 
  Telson 
  oblong, 
  evenly 
  rounded 
  at 
  the 
  

   termination, 
  and 
  bearing 
  four 
  spinules. 
  Length 
  7-11 
  millim. 
  

  

  As 
  in 
  other 
  OEdiceridas, 
  the 
  male 
  differs 
  from 
  the 
  female 
  in 
  

   having 
  the 
  last 
  two 
  joints 
  of 
  the 
  peduncle 
  of 
  the 
  antennules 
  

   shorter 
  and 
  the 
  flagellum 
  densely 
  ciliated 
  almost 
  to 
  the 
  extre- 
  

   mity 
  ; 
  but 
  the 
  first 
  joint 
  of 
  the 
  flagellum 
  is 
  not 
  elongated 
  and 
  

   enlarged, 
  as 
  is 
  usual 
  in 
  males 
  of 
  Monoculodes. 
  The 
  antennas 
  

   have 
  the 
  upper 
  margin 
  of 
  the 
  two 
  distal 
  joints 
  of 
  the 
  peduncle 
  

   ciliated 
  above 
  and 
  the 
  flagellum 
  of 
  great 
  length. 
  

  

  Ilab. 
  Sixty 
  miles 
  east 
  of 
  Shetland, 
  70-90 
  fathoms, 
  1861 
  

   (types) 
  ; 
  St. 
  Magnus 
  Bay, 
  Shetland, 
  1867 
  ; 
  off 
  Durham 
  coast, 
  

   1862 
  ; 
  Skye, 
  1866 
  ; 
  Cumbrae, 
  20 
  fathoms, 
  1885 
  {A. 
  M. 
  N.) 
  ; 
  

   Banff 
  [T. 
  Edward) 
  : 
  Mus. 
  Norm. 
  

  

  