﻿CONTENTS. 
  

  

  Page 
  

  

  Art. 
  XXXIX. 
  — 
  The 
  Geology 
  of 
  Pigeon 
  Point, 
  Minnesota; 
  

  

  R. 
  A. 
  Daly 
  423 
  

  

  XL. 
  — 
  On 
  the 
  Temperature 
  Coefficient 
  of 
  a 
  Heterogeneous 
  

  

  Reaction 
  ; 
  by 
  R. 
  G-. 
  Van 
  Name 
  449 
  

  

  XLL— 
  A 
  Sail 
  Fish 
  from 
  the 
  Virginia 
  Miocene; 
  by 
  E. 
  W. 
  

  

  Berry 
  .._ 
  _ 
  ._ 
  461 
  

  

  XLII. 
  — 
  Eakleite, 
  a 
  New 
  Mineral 
  from 
  California; 
  by 
  E. 
  S. 
  

  

  Larsex 
  _ 
  464 
  

  

  XLIIL— 
  ReDSselserina, 
  a 
  New 
  Genus 
  of 
  Lower 
  Devonian 
  

  

  Brachiopods; 
  by 
  C. 
  O. 
  Dunbar. 
  (With 
  Plate 
  II) 
  466 
  

  

  XL1V. 
  — 
  Local 
  Versus 
  Regional 
  Distribution 
  of 
  Isostatic 
  

  

  Compensation; 
  by 
  W. 
  Bowie 
  . 
  > 
  _ 
  471 
  

  

  XLV. 
  — 
  The 
  Constitution 
  of 
  Melilite 
  and 
  Gehlenite 
  ; 
  by 
  

  

  F. 
  W. 
  Clarke 
  _ 
  _ 
  __ 
  476 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Extraction 
  of 
  Potash 
  from 
  Silicate 
  Rocks, 
  W. 
  H. 
  

   Eoss 
  : 
  Preparation 
  of 
  Uranium 
  Dioxide. 
  C. 
  L. 
  Parsons, 
  485. 
  — 
  Theoretical 
  

   Chemistry 
  from 
  the 
  Standpoint 
  of 
  Avogadro's 
  Rule 
  and 
  Thermodynamics, 
  

   W. 
  Nernst 
  : 
  A 
  Text 
  Book 
  of 
  Thermochemistry 
  and 
  Thermodynamics 
  

   (O. 
  Sackur). 
  G. 
  E. 
  Gibson. 
  486. 
  — 
  X 
  -Ray 
  Band 
  Spectra, 
  deBroglie: 
  Finite 
  

   Collineation 
  Groups, 
  H. 
  F. 
  Blichfeldt, 
  487. 
  

  

  Geology 
  and 
  Mineralogy— 
  Thirty-seventh 
  Annual 
  Report 
  of 
  the 
  Director 
  of 
  

   the 
  United 
  States 
  Geological 
  Survey, 
  G. 
  0. 
  Smith, 
  488. 
  — 
  Publications 
  of 
  

   the 
  United 
  States 
  Geological 
  Survey, 
  G. 
  0. 
  Smith, 
  489. 
  — 
  Report 
  of 
  the 
  

   State 
  Geologist 
  on 
  the 
  Mineral 
  Industries 
  and 
  Geology 
  of 
  Vermont, 
  1915- 
  

   1916, 
  G. 
  H.. 
  Perkins: 
  Illinois 
  Geological 
  Survey, 
  F. 
  W. 
  DeWolf, 
  490.— 
  

   Geology 
  and 
  Economic 
  Deposits 
  of 
  a 
  Portion 
  of 
  Eastern 
  Montana, 
  J. 
  P. 
  

   Eowe 
  and 
  R. 
  A. 
  Wilson: 
  A 
  Preliminary 
  Report 
  on 
  the 
  Alkali 
  Resources 
  

   of 
  Nebraska, 
  E. 
  H. 
  Barbour 
  : 
  Recent 
  and 
  Fossil 
  Ripple 
  Marks, 
  E. 
  M. 
  

   Kindle, 
  491. 
  — 
  The 
  State 
  of 
  the 
  Ice 
  in 
  the 
  Arctic 
  Seas, 
  C. 
  I. 
  H. 
  Speer- 
  

   schneider: 
  Annual 
  Report 
  of 
  the 
  Government 
  Geologist 
  of 
  South 
  Aus- 
  

   tralia 
  for 
  1915, 
  L. 
  K. 
  Ward 
  : 
  The 
  Efficient 
  Purchase 
  and 
  Utilization 
  of 
  

   Mine 
  Supplies, 
  H. 
  N. 
  Stronck 
  and 
  J. 
  R. 
  Billy 
  ard, 
  492. 
  — 
  The 
  Ordovician 
  

   and 
  Silurian 
  Brachiopoda 
  of 
  the 
  Girvan 
  District, 
  F. 
  R. 
  0. 
  Reed: 
  Notes 
  on 
  

   Cincinnatian 
  Fossils, 
  A. 
  F. 
  Foerste: 
  New 
  Mineral 
  Names, 
  W. 
  E. 
  Ford, 
  

   493. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  National 
  Academy 
  of 
  Sciences, 
  495. 
  — 
  

   State 
  Sanitation, 
  a 
  Review 
  of 
  the 
  Work 
  of 
  the 
  Massachusetts 
  State 
  Board 
  

   of 
  Health, 
  G. 
  C. 
  Whipple: 
  The 
  American 
  Year 
  Book, 
  a 
  Record 
  of 
  Events 
  

   and 
  Progress, 
  1916, 
  F. 
  G. 
  Wickware, 
  496. 
  — 
  Explorations 
  and 
  Field 
  Work 
  

   of 
  the 
  Smithsonian 
  Institution 
  in 
  1916, 
  497. 
  

  

  Obituary 
  — 
  A. 
  Hague: 
  G. 
  Massee: 
  J, 
  G. 
  Darboux: 
  R. 
  H. 
  Tiddeman, 
  497. 
  

  

  Index, 
  498. 
  

  

  

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