﻿NO. 
  1946. 
  PACIFIC 
  3IEDU8AE 
  AND 
  SIPHONOPHORAE—BIGELOW. 
  35 
  

  

  Dutch 
  Harbor, 
  May 
  25, 
  surface; 
  15 
  specimens, 
  25-35 
  mm. 
  in 
  di- 
  

   ameter; 
  well 
  preserved. 
  

  

  The 
  identification 
  rests 
  on 
  comparison 
  mth 
  two 
  excellent 
  speci- 
  

   mens 
  from 
  Helgoland. 
  In 
  the 
  largest 
  of 
  the 
  Bering 
  Sea 
  specimens, 
  

   about 
  35 
  mm. 
  in 
  diameter, 
  the 
  number 
  of 
  tentacles 
  to 
  the 
  quadrant 
  

   is 
  43, 
  49, 
  43, 
  42, 
  of 
  various 
  sizes, 
  a 
  few 
  being 
  very 
  young, 
  but 
  the 
  

   greater 
  number 
  full 
  grown. 
  In 
  one 
  of 
  30 
  mm. 
  the 
  numbers 
  are 
  39, 
  

   37, 
  36, 
  36, 
  besides 
  11 
  marginal 
  swellings 
  still 
  too 
  young 
  to 
  be 
  dignified 
  

   with 
  the 
  name 
  of 
  tentacles. 
  In 
  an 
  Atlantic 
  specimen 
  of 
  28 
  mm. 
  the 
  

   numbers 
  are 
  48, 
  41, 
  45, 
  42, 
  and 
  the 
  total 
  number 
  is 
  given 
  by 
  Hart- 
  

   laub 
  as 
  about 
  150. 
  

  

  The 
  only 
  noticeable 
  separation 
  between 
  examples 
  from 
  the 
  two 
  

   localities 
  is 
  that 
  in 
  those 
  from 
  Bering 
  Sea 
  the 
  gonads 
  begin 
  close 
  to 
  the 
  

   base 
  of 
  the 
  peduncle, 
  instead 
  of 
  at 
  a 
  slight 
  distance 
  from 
  it, 
  as 
  in 
  the 
  

   Helgoland 
  specimens, 
  but 
  the 
  difference 
  is 
  so 
  slight 
  that 
  it 
  is 
  probably 
  

   a 
  developmental 
  feature. 
  Unfortunately 
  the 
  formalin 
  in 
  which 
  the 
  

   specimens 
  are 
  preserved 
  has 
  destroyed 
  most 
  of 
  the 
  otoliths, 
  in 
  some 
  

   otocysts 
  all 
  of 
  them, 
  so 
  it 
  is 
  impossible 
  to 
  tell 
  whether 
  the 
  number 
  

   counted 
  by 
  Hartlaub 
  is 
  repeated 
  here. 
  

  

  Color. 
  — 
  In 
  formalin, 
  stomach, 
  gonads, 
  and 
  tentacular 
  bulbs 
  arc 
  pale 
  

   yellowish-brown 
  . 
  

  

  The 
  pre\'ious 
  records 
  of 
  the 
  species 
  are 
  from 
  Helgoland 
  and 
  the 
  east 
  

   coast 
  of 
  Scotland. 
  

  

  Genus 
  TIMA 
  Eschscholtz, 
  1829. 
  

  

  Up 
  to 
  the 
  present 
  time 
  this 
  genus 
  has 
  not 
  been 
  recorded 
  from 
  the 
  

   Indo-Pacific 
  ; 
  but 
  the 
  Albatross 
  collection 
  contains 
  a 
  single 
  very 
  large 
  

   medusa, 
  which 
  is 
  best 
  referred 
  to 
  Tima, 
  though 
  it 
  differs 
  from 
  the 
  

   excellent 
  specimens 
  of 
  the 
  two 
  Atlantic 
  species, 
  lucullana 
  and 
  /or- 
  

   mosa, 
  with 
  which 
  I 
  have 
  compared 
  it, 
  in 
  the 
  extraordinary 
  complexity 
  

   of 
  the 
  lips, 
  and 
  in 
  having 
  a 
  much 
  shorter 
  peduncle. 
  These 
  differences 
  

   seem 
  to 
  warrant 
  a 
  new 
  species. 
  

  

  TIMA 
  SAGHALINENSIS, 
  new 
  species. 
  

  

  Station 
  5028, 
  September 
  28, 
  241-0 
  fathoms 
  (off 
  Saghalin 
  Island); 
  

   1 
  specimen, 
  about 
  100 
  mm. 
  in 
  diameter. 
  

  

  Type.—Csit. 
  No. 
  31055, 
  U.S.N.M. 
  

  

  The 
  peduncle 
  is 
  nearly 
  cylindrical, 
  only 
  slightly 
  narrowed 
  distally, 
  

   and 
  only 
  about 
  14 
  mm. 
  long. 
  But 
  though 
  small, 
  it 
  is 
  perfectly 
  evi- 
  

   dent, 
  and 
  quite 
  as 
  weU 
  marked 
  off 
  from 
  the 
  subumbrella 
  as 
  it 
  is 
  in 
  

   the 
  other 
  Timas. 
  In 
  both 
  T. 
  formcsa 
  and 
  T. 
  lucullana 
  the 
  peduncle 
  

   is 
  long, 
  hanging 
  to, 
  or 
  below 
  the 
  opening 
  of 
  the 
  beU. 
  

  

  Marginal 
  organs. 
  — 
  Unfortunately 
  there 
  is 
  not 
  a 
  single 
  tentacle 
  

   intact, 
  so 
  I 
  was 
  much 
  surprised 
  to 
  find 
  a 
  large 
  number 
  of 
  otocysts 
  

   preserved. 
  Tentacular 
  knobs 
  were 
  likewise 
  distinguishable, 
  alter- 
  

   nating 
  with 
  the 
  otocysts, 
  much 
  as 
  they 
  do 
  in 
  T. 
  formcsa, 
  and 
  occa- 
  

  

  