﻿CONTENTS. 
  

  

  Page 
  

  

  Art. 
  XXIII. 
  —Lava 
  Flow 
  from 
  Mauna 
  Loa, 
  1916 
  ; 
  by 
  T. 
  A. 
  

  

  Jaggae, 
  Jr. 
  _. 
  255 
  

  

  XXIV. 
  — 
  The 
  Formation 
  of 
  Salt 
  Crystals 
  from 
  a 
  Hot 
  Satu- 
  

   rated 
  Solution; 
  by 
  E. 
  Tatum 
  Long 
  _ 
  .' 
  289 
  

  

  XXV. 
  — 
  An 
  Upper 
  Cretaceous 
  Fulgur; 
  by 
  B. 
  Wade 
  293 
  

  

  XXVI.— 
  A 
  Middle 
  Eocene 
  Member 
  of 
  the 
  " 
  Sea 
  Drift 
  " 
  ; 
  by 
  

  

  E. 
  W. 
  Berry 
  _ 
  _ 
  j 
  298 
  

  

  XXVII. 
  — 
  Correlation 
  of 
  the 
  Mississippian 
  of 
  Ohio 
  and 
  Penn- 
  

   sylvania; 
  by 
  W. 
  A. 
  Verwiebe.. 
  301 
  

  

  XXVIII. 
  — 
  A 
  New 
  Labyrinthodont 
  from 
  the 
  Triassic 
  of 
  

  

  Pennsylvania; 
  by 
  W. 
  J. 
  Sinclair 
  319 
  

  

  XXIX. 
  — 
  On 
  the 
  Calcium 
  Phosphate 
  in 
  Meteoric 
  Stones; 
  by 
  

  

  G. 
  P. 
  Merrill 
  _____ 
  322 
  

  

  XXX. 
  — 
  Crystals 
  of 
  Pyromorphite; 
  by 
  E. 
  V. 
  Shannon 
  . 
  325 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  The 
  Penfield 
  Test 
  for 
  Carbon, 
  W. 
  G. 
  Mixter 
  and 
  

   F. 
  L. 
  Haigh, 
  327. 
  — 
  New 
  Volumetric 
  Method 
  for 
  the 
  Determination 
  of 
  

   Cobalt, 
  W. 
  D. 
  Engle 
  and 
  R. 
  G. 
  Gustavson, 
  328. 
  — 
  Determination 
  of 
  

   Molybdenum 
  by 
  Potassium 
  Iodate, 
  G. 
  S. 
  Jamieson: 
  Fixation 
  of 
  Nitrogen, 
  

   J. 
  E. 
  Bucher: 
  Volatilization 
  of 
  Potash 
  from 
  Cement 
  Materials, 
  E. 
  Anderson 
  

   and 
  R. 
  J. 
  Nestell, 
  329. 
  — 
  Dispersion 
  and 
  the 
  Size 
  of 
  Molecules 
  of 
  Hydro- 
  

   gen, 
  Oxygen, 
  and 
  Nitrogen, 
  L. 
  Silbersteln, 
  330. 
  — 
  Lubrication 
  of 
  Resist- 
  

   ance-Box 
  Plugs, 
  J. 
  J. 
  Manley, 
  331. 
  — 
  Unipolar 
  Induction, 
  E. 
  H. 
  Kennard: 
  

   Model 
  Drawing, 
  C. 
  O. 
  Wright 
  and 
  W. 
  A. 
  Rudd, 
  332. 
  — 
  Teaching 
  of 
  Arith- 
  

   metic, 
  P. 
  Klapper, 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  American 
  Fossil 
  Cycads, 
  Volume 
  II, 
  Taxonomy, 
  

   G. 
  R. 
  Wieland, 
  333. 
  — 
  New 
  Zealand 
  Geological 
  Survey, 
  P. 
  G. 
  Morgan, 
  

   335.— 
  The 
  Gold 
  Belt 
  South 
  of 
  Southern 
  Cross, 
  T. 
  Blatchford, 
  etc., 
  336.— 
  

   Relationship 
  of 
  the 
  Tetracoralla 
  to 
  the 
  Hexacoralla, 
  W. 
  I. 
  Robinson: 
  A 
  

   new 
  genus 
  and 
  species 
  of 
  the 
  Thecidiinae, 
  etc., 
  J. 
  A. 
  Thomson: 
  Tertiary 
  

   formations 
  of 
  Western 
  Washington, 
  C. 
  E. 
  Weaver: 
  Paleontologic 
  contri- 
  

   butions 
  from 
  the 
  New 
  York 
  State 
  Museum, 
  R 
  Ruedemann, 
  337. 
  — 
  Great 
  

   Eruptions 
  of 
  Sakura-jimi 
  in 
  1914, 
  B. 
  Koto 
  : 
  Synantectic 
  Minerals 
  and 
  

   Related 
  Phenomena, 
  J. 
  J. 
  Sederholm, 
  338. 
  — 
  Bibliography 
  of 
  Australian 
  

   Mineralogy, 
  C. 
  Anderson 
  : 
  Rings, 
  G. 
  F. 
  Kunz: 
  Economic 
  Geology, 
  H. 
  

   Rjes 
  : 
  The 
  Geological 
  History 
  of- 
  Australian 
  Flowering 
  Plants, 
  E. 
  C. 
  

   Andrews, 
  339. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Indians 
  of 
  Cuzco 
  and 
  the 
  Apurimac, 
  

   H. 
  B. 
  Ferris, 
  339. 
  — 
  Carnegie 
  Institution 
  of 
  Washington, 
  R. 
  S. 
  Woodward, 
  

   340. 
  — 
  Observatory 
  Publications: 
  Publications 
  of 
  the 
  Museum 
  of 
  the 
  

   Brooklyn 
  Institute 
  of 
  Arts 
  and 
  Sciences: 
  Tables 
  and 
  Other 
  Data 
  for 
  Engi- 
  

   neers 
  and 
  Business 
  Men, 
  C. 
  E." 
  Ferris, 
  342. 
  

  

  Obituary— 
  W. 
  Beebe: 
  T. 
  Purdie: 
  N. 
  H. 
  J. 
  Miller, 
  342. 
  

  

  