﻿CONTENTS 
  

  

  Page 
  

  

  Art. 
  XXX. 
  — 
  A 
  Tiny 
  Oligocene 
  Artiodactyl, 
  Hypisodus 
  

  

  alacer, 
  sp. 
  nov. 
  ; 
  by 
  E. 
  L. 
  Troxell 
  391 
  

  

  Art. 
  XXXI. 
  — 
  The 
  Wasatch 
  and 
  Salt 
  Lake 
  Formations 
  of 
  

  

  Southeastern 
  Idaho; 
  by 
  G. 
  R. 
  Maxsfield 
  399 
  

  

  Art. 
  XXXII. 
  — 
  The 
  Piedmont 
  Terraces 
  of 
  the 
  Northern 
  

   Appalachians 
  (continued) 
  ; 
  bv 
  J. 
  Barrell. 
  (With 
  

   Plates 
  V 
  and 
  VI) 
  407 
  

  

  Art. 
  XXXIII. 
  — 
  Studies 
  in 
  the 
  Cyperaeere; 
  by 
  T. 
  Holm, 
  

   XXIX. 
  Carices 
  reorastachyre 
  ; 
  Salime 
  Fries. 
  (With 
  8 
  

   figures 
  drawn 
  from 
  nature 
  by 
  the 
  author) 
  429 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Substitutes 
  for 
  Platinum 
  Wire 
  in 
  Bead 
  and 
  Flame 
  

   Tests, 
  C. 
  C. 
  Kiplinger, 
  442. 
  — 
  Employment 
  of 
  Boric 
  Acid 
  in 
  the 
  Volu- 
  

   metric 
  Determination 
  of 
  Ammonia, 
  M. 
  F. 
  Scales 
  and 
  A. 
  P. 
  Harrison 
  ; 
  

   Histoire 
  de 
  la 
  Chemie, 
  M. 
  Delacre, 
  443. 
  — 
  College 
  Text-book 
  of 
  Chemistry, 
  

   W. 
  A. 
  Noyes 
  : 
  A 
  Positive 
  Pay 
  Spectrograph, 
  F. 
  W. 
  Aston, 
  444..— 
  The 
  

   Constitution 
  of 
  Atmospheric 
  Neon, 
  F. 
  W. 
  Aston, 
  445. 
  — 
  Lecture 
  Experi 
  

   ments 
  in 
  Acoustics, 
  H. 
  Kayser, 
  446. 
  — 
  Poiseuille's 
  Law 
  for 
  Compound 
  

   Tubes, 
  447. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  United 
  States 
  Geological 
  Survey, 
  G. 
  0. 
  Smith, 
  

   448. 
  — 
  United 
  States-Bureau 
  of 
  Mines: 
  The 
  Geology 
  of 
  the 
  Mid-Continent 
  

   Oil 
  Fields, 
  T. 
  O. 
  Bosworth, 
  450. 
  — 
  The 
  Mackenzie 
  River 
  Basin, 
  C. 
  Camsell 
  

   and 
  W. 
  Malcolm 
  : 
  Recherches 
  Geologiques 
  et 
  Petrographiques 
  sur 
  le 
  

   District 
  Minier 
  de 
  Nicolai-Pawda, 
  L. 
  Duparc 
  and 
  A. 
  Grosset, 
  451. 
  — 
  New 
  

   Mineral 
  Names, 
  W. 
  E. 
  Ford, 
  452. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  National 
  Academy 
  of 
  Sciences, 
  453. 
  — 
  

   Carnegie 
  Institution 
  of 
  Washington, 
  R. 
  S. 
  Woodward, 
  President, 
  Year 
  

   Book 
  No. 
  18, 
  1919, 
  454.— 
  The 
  Industrial 
  Arts 
  Index, 
  455. 
  

  

  Obituary 
  — 
  J. 
  M. 
  Macoux 
  : 
  W. 
  Pfeffer 
  : 
  R. 
  Messel. 
  

  

  Index. 
  456. 
  

  

  

  