﻿iv 
  

  

  Page 
  

  

  On 
  the 
  Development 
  of 
  the 
  Teeth 
  of 
  the 
  Newt, 
  the 
  Frog, 
  Slowworm, 
  and 
  

   Green 
  Lizards. 
  By 
  Charles 
  S. 
  Tomes, 
  M.A 
  93 
  

  

  On 
  the 
  Structure 
  and 
  Development 
  of 
  the 
  Teeth 
  of 
  Ophidia. 
  By 
  Charles 
  

   S. 
  Tomes, 
  M.A 
  95 
  

  

  On 
  the 
  Effects 
  of 
  Heat 
  on 
  Iodide 
  of 
  Silver. 
  By 
  G. 
  F. 
  Kodwell, 
  F.R.A.S., 
  

  

  F. 
  C.S., 
  Science 
  Master 
  in 
  Marlborough 
  College 
  97 
  

  

  On 
  the 
  Coefficient 
  of 
  Expansion 
  of 
  a 
  Paraffine 
  of 
  high 
  boiling-point. 
  By 
  

  

  G. 
  F. 
  Rodwell, 
  F.R.A.S., 
  F.C.S., 
  Science 
  Master 
  in 
  Marlborough 
  College 
  108 
  

  

  Experiments 
  showing 
  the 
  Paramagnetic 
  condition 
  of 
  Arterial 
  Blood, 
  as 
  com- 
  

   pared 
  with 
  the 
  Diamagnetic 
  condition 
  of 
  Venous 
  Blood. 
  By 
  Richard 
  C. 
  

   Shettle, 
  M.D 
  116 
  

  

  On 
  the 
  Multiplication 
  of 
  Definite 
  Integrals. 
  By 
  W. 
  H. 
  L. 
  Russell, 
  F.R.S. 
  120 
  

  

  Becemher 
  17, 
  1874. 
  

  

  On 
  Polishing 
  the 
  Specula 
  of 
  Reflecting 
  Telescopes. 
  By 
  W. 
  Lassell, 
  F.R.S., 
  

   V.P.R.A.S 
  121 
  

  

  Note 
  on 
  the 
  Vertical 
  Distribution 
  of 
  Temperature 
  in 
  the 
  Ocean. 
  By 
  J. 
  Y. 
  

   Buchanan, 
  Chemist 
  on 
  board 
  H.M.S. 
  1 
  Challenger 
  ' 
  123 
  

  

  Preliminary 
  Note 
  upon 
  the 
  Brain 
  and 
  Skull 
  of 
  Ampliioxus 
  lanceolatus. 
  By 
  

   T. 
  H. 
  Huxley, 
  Sec. 
  R.S 
  127 
  

  

  Letters 
  received 
  from 
  the 
  Naturalists 
  attached 
  to 
  the 
  Transit-of- 
  Venus 
  

   Expedition 
  at 
  Rodriguez 
  132 
  

  

  List 
  of 
  Presents 
  136 
  

  

  On 
  some 
  Points 
  connected 
  with 
  the 
  Circulation 
  of 
  the 
  Blood, 
  arrived 
  at 
  

   from 
  a 
  Study 
  of 
  the 
  Sphymograph-Trace. 
  By 
  A. 
  H. 
  Garrod, 
  B. 
  A., 
  Fellow 
  

   of 
  St. 
  John's 
  College, 
  Cambridge, 
  Prosector 
  to 
  the 
  Zoological 
  Society. 
  

   (Plate 
  5.) 
  140 
  

  

  No. 
  158. 
  — 
  January 
  7, 
  1875. 
  

  

  Remarks 
  on 
  a 
  New 
  Map 
  of 
  the 
  Solar 
  Spectrum. 
  By 
  J. 
  Norman 
  Lockyer, 
  

   F.R.S 
  152 
  

  

  On 
  the 
  Spectrum 
  of 
  Coggia's 
  Comet. 
  By 
  William 
  Huggins, 
  D.C.L., 
  

   LL.D., 
  F.R.S., 
  For. 
  Sec. 
  R.A.S. 
  (Plate 
  6.) 
  154 
  

  

  On 
  Acoustic 
  Reversibility. 
  By 
  J. 
  Tyndall, 
  D.C.L., 
  LL.D., 
  F.R.S 
  159 
  

  

  January 
  14, 
  1875. 
  

  

  On 
  a 
  Class 
  of 
  Identical 
  Relations 
  in 
  the 
  Theory 
  of 
  Elliptic 
  Functions. 
  By 
  

   J. 
  W. 
  L. 
  Glaisher, 
  M.A., 
  Fellow 
  of 
  Trinity 
  College, 
  Cambridge 
  166 
  

  

  On 
  some 
  remarkable 
  Changes 
  produced 
  in 
  Iron 
  and 
  Steel 
  by 
  the 
  Action 
  

   of 
  Hydrogen 
  and 
  Acids. 
  By 
  William 
  H, 
  Johnson, 
  B.Sc 
  168 
  

  

  