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  (8) 
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  W. 
  — 
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  Neue 
  Oligochaeten 
  und 
  neue 
  Fundorte 
  

  

  alt-bekannter. 
  Mitt. 
  Mus. 
  Hamburg, 
  xix. 
  

  

  (9) 
  Michaelsen, 
  W.— 
  1903. 
  Die 
  geographische 
  Verbreitung 
  der 
  

  

  Oligochaeten. 
  Berlin 
  : 
  Friedlaender. 
  

   (10) 
  Michaelsen, 
  W. 
  — 
  1907. 
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  Die 
  Fauna 
  Sudwest- 
  

  

  Australiens, 
  Bd. 
  i. 
  Lief. 
  2. 
  

   (n) 
  Michaelsen, 
  W. 
  — 
  1907. 
  Neue 
  Oligockaten 
  von 
  Vorder-Indien, 
  

  

  Ceylon, 
  Birnia 
  und 
  den 
  Andaman-Inseln. 
  Mitt. 
  Mus. 
  Hamburg, 
  

  

  xxiv. 
  

  

  (12) 
  Michaelsen, 
  W. 
  — 
  1909. 
  The 
  Oligochaeta 
  of 
  India, 
  Nepal, 
  Ceylon, 
  

  

  Burma, 
  and 
  the 
  Andaman 
  Islands. 
  Mem. 
  Indian 
  Mus. 
  i. 
  no. 
  3. 
  

  

  (13) 
  Michaelsen, 
  W. 
  — 
  1910. 
  Die 
  Oligochatenfaunadervorderindisch- 
  

  

  ceylonisches 
  Region. 
  Abb. 
  natw. 
  Ver. 
  Hamburg, 
  xix. 
  Bd. 
  5. 
  Heft. 
  

   (14.) 
  Rosa, 
  D— 
  1884. 
  I 
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  del 
  Piemonte. 
  Torino, 
  U.T.E. 
  

   (15) 
  Rosa, 
  D. 
  — 
  1889-90. 
  Viaggio 
  di 
  L. 
  Fea 
  in 
  Birmania 
  e 
  regioni 
  

  

  vicine 
  : 
  XXV. 
  Moniligastridi, 
  Geoscolicidi 
  ed 
  Eudrilidi. 
  Ann. 
  

  

  Mus. 
  Civ. 
  Genova, 
  (2) 
  ix. 
  

  

  EXPLANATION 
  OF 
  PLATE 
  XIII. 
  

  

  List 
  of 
  the 
  Abbreviations. 
  

  

  c/. 
  = 
  clitellum, 
  «.c.=neural 
  chord, 
  ce. 
  = 
  oesophagus, 
  ^>.= 
  fin-like 
  plate, 
  

   s. 
  = 
  septum. 
  

  

  Draioida 
  fakir, 
  sp. 
  n. 
  

  

  Fig. 
  1. 
  Ventral 
  view 
  of 
  x. 
  and 
  xi. 
  segments, 
  with 
  the 
  male 
  tubercles 
  at 
  

  

  the 
  intersegmental 
  furrow, 
  x 
  6. 
  

   Fig. 
  2. 
  Testicular 
  vesicle 
  of 
  the 
  right 
  side, 
  seen 
  laterally. 
  X 
  6. 
  

   Fig. 
  3. 
  Hinder 
  surface 
  of 
  septum 
  vii.-viii., 
  with 
  a 
  transverse 
  section 
  of 
  

  

  the 
  oesophagus 
  and 
  the 
  two 
  spherical 
  spermathecae, 
  provided 
  

  

  with 
  coiled 
  duct. 
  X 
  0. 
  

  

  Plidellus 
  timidus, 
  sp. 
  n. 
  

   Fig. 
  4. 
  Ventral 
  view 
  of 
  the 
  clitellum 
  and 
  adjacent 
  region 
  (semidiagram- 
  

   matic). 
  X 
  6. 
  

  

  Megascolex 
  eunephrus, 
  sp. 
  n. 
  

   Fig. 
  5. 
  Ventral 
  view 
  of 
  the 
  xviii. 
  and 
  adjacent 
  segments 
  (semidiagram- 
  

  

  matic). 
  X 
  6. 
  

   Fig. 
  6. 
  The 
  right 
  prostate. 
  X 
  6. 
  

   Fig. 
  7. 
  A 
  spermatheca. 
  X 
  6. 
  

  

  Megascolex 
  ratus, 
  sp. 
  n. 
  

  

  Fig. 
  8. 
  Ventral 
  view 
  of 
  the 
  clitellar 
  and 
  adjacent 
  regions 
  (semidiagram- 
  

  

  matic). 
  X 
  6. 
  

   Fig. 
  9. 
  The 
  right 
  prostate. 
  X 
  2\. 
  

   Fig. 
  10. 
  A 
  spermatheca. 
  X 
  6. 
  

  

  Glyphidrilus 
  aehencoili, 
  sp. 
  n. 
  

  

  Fig. 
  11. 
  Ventral 
  view 
  of 
  the 
  anterior 
  and 
  clitellar 
  regions 
  (diagram- 
  

   matic). 
  The 
  greatest 
  number 
  of 
  papillse 
  are 
  figured. 
  X 
  2. 
  

  

  Fig. 
  12. 
  Ventral 
  view 
  of 
  three 
  segments 
  of 
  the 
  clitellar 
  region 
  before 
  the 
  

   fin-like 
  plates. 
  X 
  6. 
  

  

  