﻿278 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  m 
  

  

  species. 
  Loman's 
  figure 
  indicates 
  the 
  presence 
  of 
  small 
  tubercles 
  on 
  

   the 
  dorsal 
  margin 
  of 
  the 
  first 
  coxae. 
  I 
  find 
  these 
  present, 
  usually 
  in 
  

   pairs, 
  on 
  this 
  specimen. 
  

  

  PALLENOPSIS 
  STYLIROSTRE, 
  new 
  species 
  

   Figure 
  36, 
  a-e 
  

  

  Types. 
  — 
  Holotype 
  (male) 
  ; 
  U. 
  S. 
  N. 
  M. 
  No. 
  80554, 
  Albatross 
  station 
  

   4975, 
  latitude 
  33°21'30" 
  N., 
  longitude 
  135°38'50" 
  E., 
  545-712 
  fathoms, 
  

   37.5°, 
  August 
  31, 
  1906. 
  

  

  Paratype 
  (ovigerous 
  male) 
  : 
  Albatross 
  station 
  4970, 
  latitude 
  

   33°23'30" 
  N., 
  135°36'30" 
  E., 
  500-649 
  fathoms, 
  39.1°, 
  August 
  30, 
  1906. 
  

  

  Description. 
  — 
  ^Trunk 
  oval 
  in 
  outline, 
  segmentation 
  well 
  marked, 
  

   lateral 
  processes 
  separated 
  by 
  about 
  their 
  own 
  width. 
  Eye 
  tubercle 
  

   slightly 
  higher 
  than 
  wide, 
  roundly 
  pointed 
  at 
  posterior 
  end, 
  the 
  eyes 
  

   unequal 
  in 
  size. 
  

  

  Proboscis 
  about 
  as 
  along 
  as 
  trunk, 
  pointed 
  downward, 
  broadly 
  

   styliform, 
  blunt 
  at 
  tip. 
  

  

  Chelif 
  ore 
  : 
  Scape 
  2- 
  jointed, 
  long 
  and 
  slender 
  but 
  not 
  quite 
  as 
  long 
  

   as 
  proboscis. 
  Chelae 
  small, 
  rounded, 
  with 
  small 
  curved 
  pincers 
  with- 
  

   out 
  spines 
  or 
  denticulations. 
  

  

  Abdomen 
  about 
  three 
  times 
  as 
  long 
  as 
  broad, 
  rounded 
  at 
  tip. 
  

  

  Third 
  leg 
  long, 
  slender, 
  straight, 
  without 
  prominent 
  tubercles, 
  

   processes, 
  or 
  spines, 
  Propodus 
  small, 
  with 
  two 
  or 
  three 
  large 
  basal 
  

   spines, 
  and 
  several 
  broad 
  wedge-shaped 
  spines 
  on 
  the 
  sole. 
  Terminal 
  

   claw 
  almost 
  as 
  long 
  as 
  propodus, 
  auxiliaries 
  about 
  one-fifth 
  as 
  long 
  

   as 
  terminal 
  claw. 
  

  

  Oviger 
  of 
  the 
  usual 
  recurved 
  type 
  in 
  the 
  genus, 
  with 
  the 
  sixth 
  seg- 
  

   ment 
  markedly 
  curved. 
  The 
  terminal 
  segments 
  are 
  adorned 
  with 
  

   long 
  slender 
  spines. 
  

  

  Measv/rements. 
  — 
  As 
  follows 
  : 
  

  

  Holo- 
  Para- 
  

  

  type, 
  d" 
  type, 
  d 
  

   Mm. 
  Mm. 
  

  

  Proboscis 
  3. 
  9 
  4. 
  1 
  

  

  Trunk 
  4. 
  5 
  5. 
  

  

  Second 
  lateral 
  process, 
  width 
  2. 
  25 
  3. 
  4 
  

  

  Abdomen 
  1. 
  25 
  2. 
  

  

  Scape 
  3. 
  7 
  

  

  Third 
  leg 
  : 
  

  

  First 
  coxa 
  1.0 
  1.5 
  

  

  Second 
  coxa 
  2.5 
  3.5 
  

  

  Third 
  coxa 
  1.0 
  1.5 
  

  

  Femur 
  6. 
  9. 
  

  

  First 
  tibia 
  6,9 
  9.5 
  

  

  Second 
  tibia 
  7.25 
  11.5 
  

  

  Tarsus 
  and 
  propodus 
  1.4 
  1.6 
  

  

  