﻿CONTENTS 
  TO 
  VOLUME 
  IX. 
  

  

  Number 
  49. 
  

  

  Page 
  

   Art. 
  I. 
  — 
  Products 
  of 
  the 
  Explosion 
  of 
  Acetylene; 
  by 
  W. 
  G. 
  

  

  Mixter 
  ._ 
  . 
  _ 
  1 
  

  

  II. 
  — 
  Glaciation 
  of 
  Central 
  Idaho 
  ; 
  by 
  G. 
  H. 
  Stone 
  9 
  

  

  III. 
  — 
  Pogonia 
  ophioglossoides 
  ; 
  by 
  T. 
  Holm 
  13 
  

  

  IV. 
  — 
  Graftonite, 
  a 
  new 
  Mineral 
  from 
  Grafton, 
  New 
  Hamp- 
  

   shire, 
  and 
  its 
  Intergrowth 
  with 
  Triphylite; 
  by 
  S. 
  L. 
  

  

  Pexfield 
  .__ 
  20 
  

  

  V. 
  — 
  Explorations 
  of 
  the 
  " 
  Albatross 
  " 
  in 
  the 
  Pacific 
  Ocean 
  ; 
  

  

  by 
  A. 
  Agassiz 
  33 
  

  

  VI. 
  — 
  Analyses 
  of 
  Italian 
  Volcanic 
  Rocks, 
  II 
  ; 
  by 
  H. 
  S. 
  

  

  Washington 
  _ 
  . 
  44 
  

  

  VII. 
  — 
  Constitution 
  of 
  the 
  Ammonium 
  Magnesium 
  Arseniate 
  

  

  of 
  Analysis 
  ; 
  by 
  M. 
  Austin 
  55 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Use 
  of 
  the 
  Method 
  of 
  Limiting 
  Density 
  in 
  recalculating 
  

   Atomic 
  masses, 
  D. 
  Berthelot 
  : 
  Newly 
  Discovered 
  gases 
  and 
  their 
  Relation 
  to 
  

   the 
  Periodic 
  Law, 
  Ramsay. 
  62. 
  — 
  Preparation 
  of 
  Calcium 
  and 
  Calcium 
  hydride, 
  

   von 
  Lengyel: 
  Non-explosive 
  Decomposition, 
  Hoitsema: 
  Crystalline 
  Liquids, 
  

   Schenck, 
  63. 
  — 
  Density 
  of 
  Liquid 
  Air, 
  and 
  of 
  other 
  liquefied 
  Gases, 
  Ladenburg 
  

   andKRUGEL: 
  Lecons 
  de 
  Chemie 
  Physique, 
  J. 
  H. 
  Van't 
  Hoff: 
  Lehrbuch 
  der 
  

   Allgemeinen 
  Chemie, 
  W. 
  Ostwald, 
  64. 
  — 
  G-rundriss 
  der 
  Allgemeinen 
  Chemie, 
  

   W. 
  Ostwald: 
  Laboratory 
  Manual, 
  H. 
  W. 
  Hillyer: 
  Strahlung 
  und 
  Teinpera- 
  

   tur 
  der 
  Sonne, 
  J. 
  Scheiner: 
  Influence 
  of 
  small 
  impurities 
  on 
  the 
  spectrum 
  

   of 
  a 
  gas, 
  P. 
  Lewis. 
  65. 
  — 
  Limit 
  of 
  hearing, 
  R. 
  Koenig: 
  Rotating 
  bodies 
  in 
  

   electric 
  fields, 
  A. 
  Heydweiller 
  : 
  Masses 
  of 
  ions 
  in 
  gases 
  at 
  low 
  pressures, 
  

   J. 
  J. 
  Thomson, 
  66. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Coal 
  Deposits 
  of 
  Indiana, 
  W. 
  S. 
  Blatchley, 
  67. 
  — 
  Geo- 
  

   logical 
  Survey 
  of 
  Canada, 
  G. 
  M. 
  Dawson, 
  68. 
  — 
  Dictyospongidse 
  — 
  A 
  Memoir 
  on 
  

   the 
  Palaeozoic 
  Reticulate 
  Sponges 
  constituting 
  the 
  family 
  Dictyospongidse 
  , 
  J. 
  

   Hall 
  and 
  J. 
  M. 
  Clarke: 
  Geological 
  Survey 
  of 
  Alabama, 
  H. 
  McCalley: 
  Cam- 
  

   brian 
  Faunas, 
  G. 
  F. 
  Matthew: 
  American 
  Museum 
  of 
  Natural 
  History, 
  R. 
  P. 
  

   Whitfield, 
  E. 
  0. 
  Hovey: 
  Bulletin 
  of 
  the 
  Wisconsin 
  Survey; 
  Building 
  and 
  Orna- 
  

   mental 
  Stones 
  of 
  Wisconsin, 
  E. 
  R. 
  Buckley, 
  69. 
  — 
  Cretaceous 
  Formations 
  of 
  

   the 
  Black 
  Hills 
  as 
  indicated 
  by 
  the 
  Fossil 
  Plants, 
  L. 
  F. 
  Ward. 
  — 
  Les 
  Variations 
  

   periodiques 
  des 
  Glaciers. 
  E. 
  Richter, 
  71 
  — 
  Manganese 
  Nodules 
  found 
  at 
  

   Onybygambah, 
  New 
  South 
  Wales, 
  W. 
  M. 
  Doherty. 
  72. 
  — 
  A 
  Treatise 
  on 
  Crys- 
  

   tallography, 
  W. 
  J. 
  Lewis: 
  Praktische 
  Anleitung 
  zur 
  Analyse 
  der 
  Silikatge- 
  

   steine 
  nach 
  den 
  methoden 
  der 
  Geolgischen 
  Landesanstalt 
  der 
  Yereinigten 
  

   Staaten. 
  W. 
  F. 
  Hillebrand: 
  Darstellung 
  der 
  32 
  moglichen 
  Krystallklasseu 
  auf 
  

   Grund 
  der 
  Deck- 
  und 
  Spiegelachsen 
  nebst 
  Beschreibung 
  von 
  Achsenmodellen 
  

   zur 
  Demonstration 
  der 
  Symmetrieverhaltnisse 
  der 
  Krystalle, 
  H. 
  Baumhauer, 
  73. 
  

  

  Botany 
  — 
  How 
  are 
  seeds 
  affected 
  by 
  a 
  temperature 
  of 
  —250° 
  C. 
  ? 
  W. 
  Thiselton- 
  

   Dyer, 
  74. 
  — 
  Praxis 
  und 
  Theorie 
  der 
  Zellen-und 
  Befruchtungslehre, 
  V. 
  Hacker; 
  

   Fixirung. 
  Farbung. 
  und 
  Bau 
  des 
  Protoplasmas, 
  A.Fischer, 
  77. 
  — 
  Untersuch- 
  

   ungen 
  ueber 
  die 
  Yermehrung 
  der 
  Laubmoose 
  durch 
  Brutorgane 
  und 
  Stechlinge, 
  

   C. 
  Correns: 
  Analecta 
  Algologica, 
  continuatio 
  Y, 
  J. 
  G. 
  Agardh, 
  78. 
  — 
  The 
  

   Teaching 
  Botanist: 
  a 
  Mauual 
  of 
  Information 
  upon 
  Botanical 
  Instruction, 
  

   together 
  with 
  outlines 
  and 
  Directions 
  for 
  a 
  Comprehensive 
  Elementary 
  Course, 
  

   W. 
  V. 
  Ganong: 
  Lectures 
  on 
  the 
  Evolution 
  of 
  Plants, 
  D. 
  H. 
  Campbell, 
  79. 
  — 
  

   Botanizing: 
  a 
  Guide 
  to 
  Field-Collecting 
  and 
  Herbarium 
  Work, 
  W. 
  W. 
  Bailey, 
  80. 
  

   : 
  ientific 
  Intelligence 
  — 
  Life 
  of 
  James 
  Dwight 
  Dana. 
  Scientific 
  Ex- 
  

   plorer, 
  Mineralogist, 
  Geologist, 
  Zoologist, 
  Professor 
  in 
  Yale 
  University, 
  D. 
  C. 
  

   Gilmax: 
  November 
  Meteors 
  of 
  1899, 
  80. 
  — 
  Aims 
  and 
  Methods 
  of 
  Meteor- 
  

   ological 
  Work 
  especially 
  as 
  conducted 
  by 
  National 
  and 
  State 
  Weather 
  Services, 
  

   C. 
  Abbe: 
  Our 
  Native 
  Birds, 
  D. 
  Lange, 
  81. 
  — 
  Elements 
  of 
  Blowpipe 
  Analvsis, 
  

   H. 
  Getman, 
  82. 
  

   Obituary 
  — 
  Sir 
  John 
  William 
  Dawson, 
  82: 
  Dr. 
  Henry 
  Hicks. 
  84. 
  

  

  