﻿CONTENTS 
  — 
  {continued). 
  

   March 
  18, 
  1875. 
  

  

  PAGE 
  

  

  I. 
  On 
  the 
  Behaviour 
  of 
  the 
  Hearts 
  of 
  Mollusks 
  under 
  the 
  influence 
  of 
  Electric 
  

   Currents. 
  By 
  Dr. 
  M. 
  Fostee, 
  F.R.S., 
  and 
  A. 
  Gr. 
  Dew-Smith, 
  B.A., 
  

   of 
  Trinity 
  College, 
  Cambridge 
  318 
  

  

  II. 
  On 
  the 
  Absorption-Spectra 
  of 
  Metals 
  volatilized 
  by 
  the 
  Oxyhydrogen 
  Flame. 
  

   By 
  J. 
  Nobman 
  Lockyee, 
  F.R.S., 
  and 
  W. 
  Chandlee 
  Robeets, 
  Chemist 
  

   of 
  the 
  Mint 
  344 
  

  

  III. 
  On 
  the 
  Liquation, 
  Fusibility, 
  and 
  Density 
  of 
  certain 
  Alloys 
  of 
  Silver 
  and 
  

  

  Copper. 
  By 
  W. 
  Chandlee 
  Robeets, 
  Chemist 
  of 
  the 
  Mint 
  349 
  

  

  ( 
  April 
  8, 
  1875. 
  

  

  I. 
  First 
  Report 
  of 
  the 
  Naturalist 
  attached 
  to 
  the 
  Transit-of- 
  Venus 
  Expedition 
  

  

  to 
  Kerguelen's 
  Island, 
  December 
  1874. 
  By 
  the 
  Rev. 
  A. 
  E. 
  Eaton 
  . 
  . 
  351 
  

  

  II. 
  Experiments 
  to 
  ascertain 
  the 
  Cause 
  of 
  Stratification 
  in 
  Electrical 
  Discharges 
  

   in 
  vacuo. 
  By 
  Waeeen 
  De 
  La 
  Rue, 
  Hugo 
  W. 
  Mtjllee, 
  and 
  William 
  

  

  Spottiswoode 
  356 
  

  

  April 
  15, 
  1875. 
  

  

  I. 
  On 
  the 
  Development 
  of 
  the 
  Teeth 
  of 
  Fishes 
  (Elasmobranchii 
  and 
  Teleostei). 
  

  

  By 
  Chaeles 
  S. 
  Tomes, 
  M.A 
  362 
  

  

  II. 
  Researches 
  upon 
  the 
  Specific 
  Volumes 
  of 
  Liquids. 
  By 
  T. 
  E 
  . 
  Thoepe 
  . 
  . 
  364 
  

   Presents 
  366 
  

  

  NOTICE. 
  

  

  A 
  Meeting 
  of 
  the 
  Government- 
  G-rant 
  Committee 
  will 
  be 
  held 
  in 
  June. 
  It 
  is 
  

   requested 
  that 
  applications 
  to 
  be 
  considered 
  at 
  that 
  Meeting 
  be 
  forwarded 
  to 
  the 
  

   Secretary 
  of 
  the 
  Royal 
  Society 
  before 
  the 
  31st 
  of 
  May, 
  1875. 
  

  

  CATALOGUE 
  OF 
  SCIENTIFIC 
  PAPERS, 
  

   Six 
  vols., 
  4to, 
  always 
  on 
  Sale, 
  and 
  may 
  be 
  obtained 
  through 
  any 
  bookseller. 
  

  

  TAYLOR 
  AND 
  FRANCIS, 
  RED 
  LION 
  COURT, 
  FLEET 
  STREET. 
  

  

  