﻿[49] 
  

  

  EXPLANATION 
  OF 
  PLATES. 
  755 
  

  

  Naidonereis 
  quadiucuspida 
  Blainv 
  

  

  Fig. 
  00. 
  — 
  Forked 
  seta 
  from 
  lower 
  part 
  of 
  dorsal 
  ramus, 
  X 
  400 
  

   91. 
  — 
  Seta 
  from 
  anterior 
  segment, 
  lower 
  ramus, 
  X 
  400. 
  

   92. 
  — 
  Aciculse, 
  ventral 
  ramus, 
  X 
  400. 
  

  

  PLATE 
  VII. 
  

  

  ARICIDEA 
  QUADR1LOBATA 
  n. 
  Sp. 
  

  

  Fig. 
  93. 
  — 
  Head 
  and 
  anterior 
  segments, 
  X 
  40. 
  

   94. 
  — 
  Branchiated 
  segments, 
  X 
  40. 
  

  

  95. 
  — 
  Segment 
  just 
  back 
  of 
  branchiated 
  segment, 
  X 
  40. 
  

   96. 
  — 
  Segment 
  from 
  posterior 
  third, 
  X 
  40. 
  

  

  Aricidea 
  nolani 
  n. 
  sp. 
  

  

  Fig. 
  97. 
  — 
  Head 
  aud 
  anterior 
  segments, 
  X 
  70. 
  

   98. 
  — 
  Branchiated 
  segment, 
  X 
  70. 
  

  

  Tharyx 
  acutus 
  n.g.,n. 
  sp. 
  

  

  Fig. 
  99. 
  — 
  Head 
  and 
  anterior 
  segments, 
  X 
  70. 
  

  

  100. 
  — 
  Anterior 
  segment, 
  transverse 
  section, 
  X 
  40. 
  

   101. 
  — 
  Middle 
  segment, 
  transverse 
  section, 
  x 
  40. 
  

   102. 
  — 
  Segment 
  from 
  posterior 
  third, 
  X 
  40 
  

   103. 
  — 
  Segment 
  near 
  posterior 
  end, 
  X 
  40. 
  

  

  Tharyx 
  similis 
  n. 
  sp. 
  

  

  Fig. 
  104. 
  — 
  Anterior 
  segment, 
  transverse 
  section, 
  X 
  40. 
  

  

  PLATE 
  VIII. 
  

  

  COSSURA 
  LOXGOCIRRATA 
  tl.g., 
  11. 
  Sp. 
  

  

  Fig. 
  105. 
  — 
  Head 
  and 
  anterior 
  segments, 
  with 
  cirrus, 
  X 
  70. 
  

  

  106. 
  — 
  Segment 
  from 
  anterior 
  third, 
  transverse 
  section, 
  X 
  70. 
  

   107. 
  — 
  Segment 
  from 
  posterior 
  half, 
  X 
  70. 
  

  

  Ledon 
  sexoculata 
  n. 
  g.,n.sp. 
  

  

  Fig. 
  108.— 
  Ventral 
  seta;, 
  x 
  150. 
  

   109.— 
  Dorsal 
  seta, 
  x 
  150. 
  

  

  Ampharete 
  cirrata 
  n. 
  sp. 
  

  

  Fig. 
  110. 
  — 
  Torus 
  from 
  10th 
  setigerous 
  segment, 
  seen 
  obliquely 
  from 
  above, 
  X 
  30. 
  

   111. 
  — 
  Torus 
  from 
  16th 
  setigerous 
  segment, 
  X 
  30. 
  

   112. 
  — 
  Torus 
  from 
  20th 
  setigerous 
  segment, 
  X 
  30. 
  

  

  Taphus 
  hebes 
  n. 
  g.,n.sp. 
  

  

  Fig. 
  113. 
  — 
  Head 
  and 
  anterior 
  segments, 
  X 
  120. 
  

  

  114. 
  — 
  Head, 
  lower 
  surface 
  showing 
  palpi 
  and 
  peculiar 
  lobes 
  on 
  anterior 
  margin 
  

  

  of 
  first 
  segment, 
  X 
  120. 
  

   115.— 
  (Esophagus 
  and 
  stomach 
  with 
  jaws, 
  X 
  130. 
  

   116. 
  — 
  Ventral 
  ramus, 
  X 
  75. 
  

   117.— 
  Dorsal 
  seta, 
  X 
  500. 
  

   118. 
  — 
  Ventral 
  seta 
  outer 
  end, 
  X 
  500. 
  

  

  