﻿IV 
  CONTENTS. 
  

  

  Numtier 
  290. 
  

  

  Page 
  

  

  Art. 
  VI. 
  — 
  Relation 
  of 
  Gravity 
  to 
  Continental 
  Elevation; 
  

  

  by 
  T. 
  C. 
  Mendenhall 
  81 
  

  

  VII. 
  — 
  Observations 
  upon 
  the 
  Glacial 
  Phenomena 
  of 
  New- 
  

   foundland, 
  Labrador 
  and 
  Southern 
  Greenland 
  ; 
  by 
  G. 
  F. 
  

   Wright 
  86 
  

  

  VIII. 
  — 
  Recurrence 
  of 
  Devonian 
  Fossils 
  in 
  strata 
  of 
  Carbon- 
  

   iferous 
  Age; 
  by 
  H. 
  S. 
  Williams 
  . 
  . 
  94 
  

  

  IX. 
  — 
  Constituents 
  of 
  the 
  Canon 
  Diablo 
  Meteorite 
  ; 
  by 
  O. 
  A. 
  

  

  Derby 
  __ 
  _ 
  _ 
  101 
  

  

  X. 
  — 
  /?-Bromvalerianic 
  Acid 
  ; 
  by 
  J. 
  G. 
  Spenzer 
  110 
  

  

  XL 
  — 
  The 
  Inner 
  Gorge 
  Terraces 
  of 
  the 
  Upper 
  Ohio 
  and 
  

  

  Beaver 
  Rivers 
  ; 
  by 
  R. 
  R. 
  Hice 
  112 
  

  

  XII. 
  — 
  The 
  Glacial 
  Land-Forms 
  of 
  the 
  Margins 
  of 
  the 
  Alps 
  ; 
  

  

  by 
  H. 
  R. 
  Mill.. 
  121 
  

  

  XIII. 
  — 
  Distribution 
  of 
  the 
  Echinoderms 
  of 
  Northeastern 
  

  

  America; 
  by 
  A. 
  E. 
  Verrill 
  127 
  

  

  XIV. 
  — 
  Lower 
  Cambrian 
  Rocks 
  in 
  Eastern 
  California 
  ; 
  by 
  C. 
  

  

  D. 
  Walcott 
  141 
  

  

  XV. 
  — 
  Pithecanthropus 
  erectls, 
  Dubois, 
  from 
  Java; 
  by 
  

  

  O. 
  C. 
  Marsh. 
  (With 
  Plate 
  II) 
  144 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  New 
  mode 
  of 
  preparing 
  Hydrogen 
  phosphide, 
  Retgers: 
  

   Hydrate 
  of 
  Sodium 
  Trioxide, 
  Tafel, 
  148 
  — 
  Pure 
  white 
  Stannic 
  sulphide, 
  

   Schmidt: 
  Properties 
  of 
  Liquid 
  Ethane 
  and 
  Propane, 
  Hainlen, 
  14 
  9. 
  — 
  Effect 
  of 
  

   Low 
  Temperatures 
  on 
  Chloroform, 
  Raoul 
  Pictet, 
  150. 
  — 
  Symmetrical 
  Di-ethyl 
  

   hydrazine, 
  Harries: 
  Carbazide 
  and 
  Di-urea, 
  Curtius 
  and 
  Heidenreich, 
  151. 
  — 
  

   Phosphorescence 
  at 
  Low 
  Temperatures. 
  Raoul 
  Pictet 
  and 
  Allschul: 
  Tele- 
  

   graphing 
  without 
  wires 
  : 
  Calculation 
  and 
  measure 
  of 
  small 
  coefficients 
  of 
  Self- 
  

   induction 
  : 
  Self-induction 
  in 
  iron 
  wires, 
  Klemencic, 
  152. 
  — 
  "Photographic 
  

   Spectrum 
  of 
  the 
  Great 
  Nebula 
  in 
  Orion. 
  J. 
  N. 
  Lockyer: 
  P^lementary 
  Lessons 
  

   in 
  Electricity 
  and 
  Magnetism, 
  S. 
  P. 
  Thompson, 
  153. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Note 
  on 
  the 
  Florida 
  Reef, 
  A. 
  Agassiz, 
  1 
  54. 
  — 
  Geologi- 
  

   cal 
  Society 
  of 
  America, 
  155. 
  — 
  Manual 
  of 
  Geology, 
  J. 
  D. 
  Dana, 
  161. 
  — 
  Manual 
  of 
  

   the 
  Geology 
  of 
  India, 
  and 
  Stratigraphical 
  and 
  Structural 
  Geology, 
  H. 
  B. 
  Medli- 
  

   cott, 
  W. 
  T. 
  Blanford 
  and 
  R. 
  D. 
  Oldham: 
  Recurrence 
  of 
  Ice-Ages, 
  Prof. 
  T. 
  

   McK. 
  Hughes, 
  164. 
  

  

  Botany 
  — 
  Mechanism 
  of 
  the 
  movements 
  of 
  the 
  stamens 
  of 
  Berberis, 
  Chauveaud, 
  

   165. 
  —Harvard 
  Botanical 
  Museum, 
  166. 
  — 
  Amount 
  of 
  absorption 
  of 
  water 
  by 
  

   roots, 
  M. 
  Lecomte, 
  16*7. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Science, 
  16*7. 
  — 
  Astrophysical 
  Journal 
  

   Cloudland 
  : 
  A 
  study 
  on 
  the 
  structure 
  and 
  characters 
  of 
  Clouds, 
  Rev. 
  W. 
  C. 
  

   Ley, 
  168. 
  

  

  Obituary— 
  Frederik 
  Johnstrup, 
  168. 
  

  

  

  