﻿Vlll 
  CONTENTS. 
  

  

  Number 
  48. 
  

  

  Page 
  

   Art. 
  XLV. 
  — 
  The 
  Highest 
  Aim 
  of 
  the 
  Physicist; 
  by 
  H. 
  A. 
  

  

  Rowland 
  401 
  

  

  XLVI. 
  — 
  Notice 
  of 
  an 
  Aerolite 
  that 
  recently 
  fell 
  at 
  Allegan, 
  

  

  Michigan; 
  by 
  H. 
  L, 
  Ward 
  _. 
  412 
  

  

  XLVII. 
  — 
  Note 
  on 
  a 
  New 
  Meteoric 
  Iron 
  found 
  near 
  Iredell, 
  

  

  Bosque 
  County, 
  Texas, 
  U. 
  S. 
  A.; 
  by 
  W. 
  M. 
  Foote 
  415 
  

  

  XLVIII. 
  — 
  New 
  Occurrence 
  of 
  Nepheline 
  Syenite 
  in 
  New 
  

  

  Jersey; 
  by 
  F. 
  L. 
  Ransome 
  ._ 
  417 
  

  

  XLIX. 
  — 
  Fauna 
  of 
  the 
  Magellanian 
  Beds 
  of 
  Punta 
  Arenas, 
  

  

  Chile 
  ; 
  by 
  A. 
  E. 
  Ortmann 
  _ 
  427 
  

  

  L, 
  — 
  Results 
  of 
  the 
  International 
  Cloud 
  Work 
  for 
  the 
  United 
  

  

  States 
  ; 
  by 
  F. 
  H. 
  Bigelow 
  433 
  

  

  LI. 
  — 
  Bacillaria 
  of 
  the 
  Occidental 
  Sea; 
  by 
  A. 
  M. 
  Edwards.. 
  445 
  

  

  LII. 
  — 
  Volumetric 
  Estimation 
  of 
  Cerium 
  ; 
  by 
  P. 
  E. 
  Browning 
  451 
  

  

  LIII. 
  — 
  Estimation 
  of 
  Thallium 
  as 
  the 
  Chromate 
  ; 
  by 
  P. 
  E. 
  

  

  Browning 
  and 
  G. 
  P. 
  Hutchins 
  460 
  

  

  SCIENTIFTC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Existence 
  of 
  masses 
  smaller 
  than 
  atoms, 
  Thomson 
  : 
  Dis- 
  

   persion 
  of 
  the 
  Cathode 
  Rays 
  by 
  magnetic 
  force, 
  Birkeland 
  and 
  Strutt: 
  A 
  new- 
  

   Radio-active 
  Substance, 
  Debierne: 
  Radio-active 
  effect 
  of 
  Barium 
  Salts 
  and 
  

   Polonium, 
  Giesel: 
  Becquerel 
  rays, 
  Elster 
  and 
  Geitel, 
  4 
  63. 
  — 
  Magnetizing 
  con- 
  

   stants 
  of 
  inorganic 
  substances, 
  Meter: 
  Color 
  Sensations 
  in 
  Terms 
  of 
  Luminos- 
  

   ity, 
  Abney, 
  464. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Geology 
  of 
  the 
  Aspen 
  Mining 
  District, 
  Colorado, 
  J. 
  E, 
  

   Spurr, 
  465. 
  — 
  Iowa 
  Geological 
  Survey, 
  Yol, 
  IX, 
  S. 
  Calvin 
  and 
  H. 
  F. 
  Bain: 
  

   Geological 
  Survey 
  of 
  Michigan: 
  Gypsum 
  and 
  Gypsum 
  Cement 
  Plasters, 
  G. 
  P. 
  

   Grimsley 
  and 
  E. 
  H. 
  S. 
  Bailey, 
  466. 
  — 
  Ueber 
  Strandbilduugen 
  des 
  Litorina- 
  

   meeres 
  au^ 
  der 
  Insel 
  Mantsinsaari, 
  J. 
  Ailto: 
  Ueber 
  eine 
  Archaische 
  sediment- 
  

   formation 
  im 
  siidwestlichen 
  Finland, 
  J. 
  J. 
  Sederiiolm 
  : 
  Study 
  of 
  the 
  Peat 
  Bogs 
  

   of 
  Finland 
  and 
  their 
  Fossil 
  Quaternary 
  Flora, 
  G. 
  Andersson, 
  467. 
  — 
  La 
  Geolo- 
  

   gie 
  experimentale, 
  S. 
  Meunier 
  : 
  Brief 
  notices 
  of 
  some 
  recently 
  described 
  min- 
  

   erals, 
  468. 
  — 
  Preliminary 
  Report 
  on 
  a 
  Part 
  of 
  the 
  Clays 
  of 
  Georgia, 
  G. 
  E. 
  Ladd, 
  

   469. 
  — 
  Proposed 
  International 
  Journal 
  of 
  Petrology, 
  470. 
  

  

  Botany 
  and 
  Zoology 
  — 
  Text-book 
  of 
  Plant 
  Diseases, 
  caused 
  by 
  Cryptogamic 
  Para- 
  

   sites, 
  G. 
  Maksee: 
  Observations 
  on 
  the 
  Colors 
  of 
  Flowers, 
  E. 
  AV. 
  Hervey: 
  

   Text-book 
  of 
  the 
  Embryology 
  of 
  Invertebrates, 
  E. 
  Korschelt 
  and 
  K. 
  Heider, 
  

   471. 
  — 
  Text-book 
  of 
  Vertebrate 
  Zoology, 
  J. 
  S. 
  Kingsley, 
  472. 
  — 
  Insects, 
  their 
  

   Structure 
  and 
  Life, 
  G. 
  H. 
  Carpenter, 
  473. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence. 
  — 
  November 
  Meteors 
  of 
  1890, 
  473. 
  — 
  National 
  

   Academy 
  of 
  Sciences: 
  Races 
  of 
  Europe, 
  W. 
  Z. 
  Ripley, 
  474. 
  — 
  Ostwald's 
  Klassi- 
  

   ker 
  der 
  Exakten 
  Wissenschaften, 
  475. 
  

  

  Obituary— 
  ^ivi 
  ,T. 
  William 
  Dawson. 
  

  

  Index 
  to 
  Volume 
  VIII, 
  4 
  70. 
  

  

  