﻿CONTENTS. 
  

  

  CONTENTS 
  OF 
  No. 
  189, 
  N.S., 
  JULY, 
  1904. 
  

   MEMOIRS 
  : 
  

  

  PAGE 
  

  

  On 
  the 
  Branchial 
  Vessels 
  of 
  Slernaspis. 
  By 
  Edwin 
  S. 
  Goodrich, 
  

   M.A., 
  Eellowof 
  Merton 
  College, 
  Oxford. 
  (Witli 
  Platesl 
  andTS) 
  1 
  

  

  The 
  Middle 
  Ear 
  and 
  Columella 
  of 
  Birds. 
  By 
  Geoffrey 
  Smith, 
  

   New 
  College, 
  Oxford 
  . 
  . 
  . 
  . 
  . 
  .11 
  

  

  Notes 
  on 
  Rhabdopleura 
  Normani, 
  Allman. 
  By 
  G. 
  Herbert 
  

   Fowler, 
  B.A., 
  Ph.D., 
  F.Z.S., 
  E.L.S. 
  (With 
  Plate 
  3) 
  . 
  . 
  23 
  

  

  Some 
  Observations 
  on 
  the 
  Anatomy 
  and 
  Affinities 
  of 
  the 
  Trochidfe. 
  

   By 
  W. 
  B. 
  Randles, 
  B.Sc.(Lond.) 
  (From 
  the 
  Zoological 
  Labora- 
  

   tory, 
  Royal 
  College 
  of 
  Science, 
  London. 
  (With 
  Plates 
  4—6) 
  . 
  33 
  

  

  The 
  Anatomy 
  of 
  Poecilochajius, 
  Claparede. 
  By 
  E. 
  J. 
  Allen, 
  D.Sc, 
  

   Director 
  of 
  the 
  Plymouth 
  Laboratory 
  of 
  the 
  Marine 
  Biological 
  

   Association. 
  (With 
  Plates 
  7—12 
  and 
  one 
  Figure 
  in 
  the 
  Text) 
  . 
  79 
  

  

  Notes 
  on 
  Sporozoa. 
  By 
  H. 
  M. 
  Woodcock, 
  B.Sc.(Load.). 
  I. 
  On 
  

   Klossiella 
  muris 
  gen. 
  et 
  spec, 
  nov.. 
  Smith 
  and 
  Johnson, 
  1902 
  153 
  

  

  CONTENTS 
  OE 
  No. 
  190, 
  N.S., 
  SEPTEMBER, 
  1904. 
  

   MEMOIRS 
  : 
  

  

  The 
  Structure 
  and 
  Classification 
  of 
  the 
  Arachuida. 
  By 
  E. 
  Ray 
  

   Lankester, 
  M.A., 
  LL.D., 
  F.R.S., 
  Director 
  of 
  the 
  Natural 
  His- 
  

   tory 
  Departments 
  of 
  the 
  British 
  Museum 
  . 
  . 
  . 
  165 
  

  

  On 
  some 
  New 
  Species 
  of 
  the 
  Genus 
  Plireodrilus. 
  By 
  W. 
  Blaxland 
  

   Benham, 
  D.Sc.(Lond.), 
  M.A.(Oxon.), 
  F.Z.S., 
  Professor 
  of 
  

   Biology 
  iu 
  the 
  University 
  of 
  Otago, 
  New 
  Zealand. 
  (With 
  Plates 
  

   *'13— 
  15) 
  . 
  . 
  ' 
  271 
  

  

  On 
  a 
  New 
  Species 
  of 
  the 
  Genus 
  Haplotaxis 
  ; 
  with 
  some 
  Remarks 
  

   on 
  the 
  Genital 
  Ducts 
  in 
  the 
  Oligochaeta. 
  By 
  W. 
  Blaxland 
  

   BENHAM,D.Sc.(Lond.), 
  M. 
  A.(Oxon.), 
  F.Z.S,, 
  Professor 
  of 
  Biology 
  

   in 
  the 
  Universif.y 
  of 
  Otago, 
  New 
  Zealand. 
  (With 
  Platesae— 
  "Is) 
  299 
  

  

  The 
  (Estrous 
  Cycle 
  in 
  the 
  Common 
  Ferret. 
  By 
  Francis 
  H. 
  A. 
  

   Marshall, 
  D.Sc. 
  (With 
  Plates' 
  19— 
  21) 
  . 
  . 
  .323 
  

  

  Two 
  New 
  Forms 
  of 
  Choniostomatidse 
  : 
  Copepoda 
  Parasitic 
  on 
  

   Crustacea 
  Malacostraca 
  and 
  Ostracoda. 
  By 
  H. 
  J. 
  Hansen, 
  

   D.Sc, 
  F.M.L.S., 
  Copenhagen. 
  (With 
  Plate' 
  22) 
  . 
  . 
  347 
  

  

  