﻿722 
  REPORT 
  OF 
  COMMISSIONER 
  OF 
  FISH 
  AND 
  FISHERIES. 
  [16] 
  

  

  PiEDOPHYLAX 
  LONGICIERIS, 
  11. 
  sp. 
  

   (Pl. 
  Ill, 
  Figs. 
  46-50.) 
  

  

  Iii 
  this 
  form 
  the 
  head 
  is 
  oval, 
  the 
  width 
  double 
  the 
  length. 
  The 
  palpi 
  

   have 
  a 
  shallow 
  anterior 
  cmargination, 
  a 
  deep 
  triangular 
  excavation 
  

   below, 
  the 
  apex 
  of 
  which 
  reaches 
  nearly 
  to 
  the 
  anterior 
  margin 
  of 
  the 
  

   palpi 
  (fig. 
  4G). 
  

  

  There 
  are 
  two 
  pairs 
  of 
  dark-red 
  eyes, 
  large, 
  oval, 
  directed 
  forward 
  

   and 
  inward 
  ; 
  often 
  not 
  so 
  regular 
  as 
  shown 
  in 
  the 
  figure. 
  

  

  The 
  antennae 
  are 
  cylindrical, 
  or 
  sometimes 
  a 
  little 
  enlarged 
  along 
  

   their 
  middle 
  third 
  ; 
  the 
  median 
  antenna 
  may 
  extend 
  to 
  the 
  end 
  of 
  the 
  

   palpi 
  ; 
  the 
  lateral 
  antennas 
  are 
  about 
  one-half 
  as 
  long 
  as 
  the 
  head. 
  

  

  Buccal 
  segment 
  about 
  one-half 
  as 
  long 
  as 
  the 
  second 
  segment; 
  tentac- 
  

   ular 
  cirri 
  shaped 
  like 
  the 
  lateral 
  antennae, 
  but 
  a 
  little 
  shorter. 
  

  

  Dorsal 
  cirri 
  fusiform, 
  a 
  little 
  longer 
  and 
  stouter 
  than 
  the 
  lateral 
  an- 
  

   tennas. 
  Ventral 
  cirri 
  (fig. 
  47) 
  similar 
  to 
  the 
  dorsal, 
  but 
  more 
  delicate. 
  

   Anal 
  cirri 
  as 
  long 
  as 
  the 
  median 
  antenna 
  ,• 
  one 
  specimen 
  has 
  three 
  of 
  

   equal 
  length 
  ; 
  others, 
  two 
  only 
  ; 
  others, 
  three, 
  with 
  the 
  middle 
  cirrus 
  

   quite 
  short. 
  

  

  The 
  seta? 
  on 
  the 
  anterior 
  segment 
  arc 
  numerous, 
  and 
  of 
  two 
  kinds, 
  

   both 
  compound. 
  In 
  the 
  upper 
  part 
  of 
  each 
  bundle 
  usually 
  three 
  with 
  

   long 
  delicate 
  appendix 
  (fig. 
  48); 
  in 
  the 
  lower 
  part, 
  five 
  to 
  seven, 
  short, 
  

   with 
  short 
  appendix 
  (fig. 
  49) 
  ; 
  at 
  about 
  the 
  middle 
  third 
  a 
  new 
  and 
  

   very 
  peculiar 
  form 
  of 
  seta 
  appears 
  (fig. 
  50); 
  one 
  in 
  each 
  bundle, 
  above 
  

   the 
  others. 
  This 
  seta 
  seems 
  to 
  terminate 
  in 
  two 
  teeth 
  ; 
  one 
  stout, 
  

   curved, 
  bluntly 
  rounded 
  at 
  apex 
  ; 
  the 
  other 
  a 
  delicate 
  spine, 
  as 
  long 
  as 
  

   the 
  first, 
  or 
  even 
  projecting 
  beyond 
  it. 
  

  

  The 
  pharynx 
  occupies 
  five 
  segments; 
  the 
  stomach, 
  about 
  two 
  ; 
  it 
  has 
  

   twelve 
  series 
  of 
  " 
  glands." 
  

  

  Body 
  convex 
  above 
  and 
  below 
  (fig. 
  47) 
  ; 
  white 
  or 
  yellowish 
  white. 
  

  

  On 
  the 
  only 
  male 
  taken 
  the 
  sexual 
  setae 
  begin 
  on 
  the 
  thirteenth 
  seti- 
  

   gerous 
  segment; 
  on 
  the 
  only 
  female, 
  on 
  the 
  eighth; 
  but 
  these 
  indica- 
  

   tions 
  cannot 
  be 
  relied 
  on. 
  

  

  No 
  entire 
  specimens 
  were 
  found, 
  but 
  the 
  dimensions 
  are 
  about 
  the 
  

   same 
  as 
  for 
  the 
  last 
  species. 
  

  

  Rare. 
  Low 
  water; 
  sand, 
  to 
  20 
  fathoms, 
  sand, 
  gravel, 
  shells. 
  

  

  AUTOLYTUS 
  (Grube) 
  Marentzcllcr. 
  

  

  AUTOLYTUS 
  CORNUTUS 
  A. 
  Ag. 
  

  

  A. 
  Agassiz. 
  Journal 
  Boston 
  Society 
  Natural 
  History, 
  vol. 
  vii, 
  p. 
  302, 
  pl. 
  9, 
  11. 
  186:5. 
  

   Rare. 
  Low 
  water; 
  sand. 
  

  

  AUTOLYTUS 
  SOLITARIUS 
  n. 
  sp. 
  

  

  (Pl. 
  II, 
  Figs. 
  51; 
  Pl. 
  IV, 
  Figs. 
  .^2,54.) 
  

  

  A 
  single 
  male 
  specimen 
  was 
  taken, 
  which 
  does 
  not 
  seem 
  to 
  agree 
  

   with 
  any 
  described 
  form. 
  

  

  