﻿CONTENTS. 
  

  

  Page 
  

  

  Art. 
  XXL 
  — 
  Niagara 
  and 
  the 
  Great 
  Lakes 
  ; 
  by 
  F. 
  B. 
  

  

  Taylor 
  249 
  

  

  XXII. 
  — 
  Disturbances 
  in 
  the 
  direction 
  of 
  the 
  Plumb-line 
  in 
  

  

  the 
  Hawaiian 
  Islands; 
  by 
  E. 
  D. 
  Preston 
  ._.___ 
  271 
  

  

  XXIII. 
  — 
  Glacial 
  Lake 
  St. 
  Lawrence 
  of 
  Professor 
  Warren 
  

  

  Upham 
  ; 
  by 
  R. 
  Chalmers 
  273 
  

  

  XXIV. 
  — 
  Argon, 
  a 
  New 
  Constituent 
  of 
  the 
  Atmosphere; 
  by 
  

  

  Lord 
  Rayleigh 
  and 
  W. 
  Ramsay 
  . 
  _ 
  _ 
  _ 
  _ 
  . 
  275 
  

  

  XXV. 
  — 
  Velocity 
  of 
  Electric 
  Waves; 
  by 
  J. 
  Trowbridge 
  

  

  and 
  W. 
  Duane 
  297 
  

  

  XXVL— 
  Epochs 
  and 
  Stages 
  of 
  the 
  Glacial 
  Period 
  ; 
  by 
  W. 
  

  

  Upham 
  * 
  305 
  

  

  XXVII. 
  — 
  Structure 
  and 
  Appendages 
  of 
  Trinucleus; 
  by 
  C. 
  

  

  E. 
  Beecher. 
  (With 
  Plate 
  III.).. 
  _.. 
  307 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and, 
  Physics 
  — 
  Inorganic 
  Preparation 
  of 
  Hydrazine, 
  Duden, 
  311. 
  — 
  

   Production 
  of 
  Carbon 
  chlorides 
  at 
  ordinary 
  Temperatures, 
  V. 
  Meyer: 
  Atomic 
  

   masses 
  of 
  Nickel 
  and 
  Cobalt, 
  Winkler, 
  312. 
  — 
  Atomic 
  Mass 
  of 
  Bismuth, 
  

   Schneider: 
  Use 
  of 
  Dihydroxy 
  tartaric 
  acid 
  as 
  a 
  Reagent 
  for 
  Sodium, 
  Fenton, 
  

   313. 
  — 
  Commercial 
  Synthesis 
  of 
  Acetylene, 
  Lewes, 
  314. 
  — 
  Theoretical 
  Chemistry 
  

   from 
  the 
  Standpoint 
  of 
  Avogadro's 
  rule 
  and 
  Thermodynamics, 
  W. 
  Nernst, 
  315. 
  

   — 
  Qualitative 
  Chemical 
  Analysis 
  of 
  Inorganic 
  Substances: 
  Double 
  refraction 
  of 
  

   Electric 
  waves, 
  K. 
  Mack 
  : 
  National 
  Academy 
  of 
  Sciences 
  on 
  Electrical 
  Meas- 
  

   urement, 
  316. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Change 
  of 
  level 
  in 
  the 
  "West 
  Indian 
  Region, 
  C. 
  T. 
  

   Stimpson, 
  321.— 
  Glacial 
  phenomena 
  Northwest 
  and 
  West 
  of 
  Hudson 
  Bay, 
  J. 
  B. 
  

   Tyrrell: 
  Faults 
  of 
  post-Glacial 
  origin, 
  G. 
  F. 
  Matthew: 
  Pre-Cambrian 
  Radi- 
  

   olarians, 
  L. 
  Cayeux, 
  322. 
  — 
  Geological 
  Survey 
  of 
  Alabama 
  for 
  1894: 
  Paleozoic 
  

   Corallines: 
  Lehrbuch 
  der 
  Petrographie, 
  F. 
  Zirkel, 
  323. 
  — 
  Chemical 
  Contribu- 
  

   tions 
  to 
  the 
  Geology 
  of 
  Canada 
  from 
  the 
  laboratory 
  of 
  the 
  Survey, 
  G. 
  C. 
  Hoff- 
  

   mann: 
  Meteoritenkunde, 
  E. 
  Cohen, 
  324. 
  

  

  Botany 
  — 
  Field, 
  Forest 
  and 
  Garden 
  Botany, 
  A, 
  Gray: 
  Popular 
  Treatise 
  on 
  the 
  

   Physiology 
  of 
  Plants, 
  P. 
  Sorauer, 
  325. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Prize-Question 
  pertaining 
  to 
  Physical 
  

   Science 
  proposed 
  by 
  the 
  Schnyder 
  von 
  Wartensee 
  Foundation 
  for 
  Arts 
  and 
  

   Sciences 
  at 
  Zurich, 
  326. 
  — 
  American 
  Association 
  for 
  the 
  Advancement 
  of 
  Science: 
  

   International 
  Zoological 
  Congress: 
  Manual 
  of 
  the 
  Study 
  of 
  Documents, 
  P. 
  

   Frazer: 
  Smithsonian 
  Geographical 
  Tables, 
  R. 
  S. 
  Woodward, 
  327. 
  — 
  French 
  

   Academy 
  of 
  Sciences 
  : 
  Bulletin 
  of 
  the 
  American 
  Museum 
  of 
  Natural 
  History, 
  

   328. 
  

  

  Obituary— 
  Dr. 
  G. 
  A. 
  Rex: 
  Marquis 
  de 
  Saporta: 
  Professor 
  H. 
  Wild: 
  Dr. 
  A. 
  

   W. 
  Stelzner, 
  328. 
  

  

  