﻿V.lll 
  CONTENTS. 
  

  

  Number 
  18. 
  

  

  Page. 
  

  

  Art. 
  XLIII. 
  — 
  Studies 
  in 
  the 
  Cyperacese; 
  by.T. 
  Holm 
  429 
  

  

  XLIY. 
  — 
  Bacteria 
  and 
  the 
  Decomposition 
  of 
  Rocks; 
  by 
  J. 
  

  

  C. 
  Branner 
  438 
  

  

  XLV. 
  — 
  Wellsite, 
  a 
  new 
  Mineral 
  ; 
  by 
  J. 
  H. 
  Pratt 
  and 
  H. 
  W. 
  

  

  Foote 
  . 
  . 
  443 
  

  

  XLVI. 
  — 
  Magnetic 
  Increment 
  of 
  Rigidity 
  in 
  Strong 
  Fields; 
  

  

  by 
  H. 
  D. 
  L>AY__ 
  _ 
  449 
  

  

  XLVIL— 
  Geologic 
  Fault 
  in 
  New 
  York; 
  by 
  P. 
  F. 
  Schneider 
  458 
  

   XL 
  VIII. 
  — 
  Certain 
  Double 
  Halogen 
  Salts 
  of 
  Caesium 
  and 
  

  

  Rubidium; 
  by 
  H. 
  L. 
  Wells 
  and 
  H. 
  W. 
  Foote 
  461 
  

  

  XLIX. 
  — 
  Double 
  Fluorides 
  of 
  Zirconium 
  with 
  Lithium, 
  So- 
  

   dium 
  and 
  Thallium 
  ; 
  by 
  H. 
  L. 
  Wells 
  and 
  H. 
  W. 
  Foote 
  466 
  

   L. 
  — 
  Broadening 
  of 
  Sodium 
  Lines 
  by 
  Intense 
  Magnetic 
  Fields 
  ; 
  

  

  A. 
  StC. 
  Dunstan, 
  M. 
  E. 
  Rice 
  and 
  C. 
  A. 
  Kraus 
  472 
  

  

  LT. 
  — 
  Relative 
  Motion 
  of 
  the 
  Earth 
  and 
  the 
  Ether 
  ; 
  by 
  A. 
  A. 
  

  

  Michelson 
  -_ 
  475 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics 
  — 
  Relation 
  of 
  Refraction 
  to 
  Density. 
  Traube 
  : 
  Properties 
  of 
  

   Free 
  Hydrazine, 
  de 
  Bruyn, 
  479. 
  — 
  Nitrogen 
  Pentasulphide, 
  Muthmann 
  and 
  

   Clever, 
  480. 
  — 
  Direct 
  Union 
  of 
  Carbon 
  and 
  Hydrogen, 
  Bone 
  and 
  Jordan, 
  481. 
  

   — 
  Preparation 
  of 
  Rubidium 
  and 
  its 
  Dioxide. 
  ERDMANNandKoTHNER 
  : 
  Pyrogenic 
  

   Reactions 
  of 
  Aliphatic 
  Hydrocarbons, 
  Haber, 
  482. 
  — 
  Explosive 
  Properties 
  of 
  

   Acetylene, 
  Berthelot 
  and 
  Vieille 
  : 
  Form 
  of 
  the 
  Atoms, 
  C. 
  Fourlinnie, 
  

   483. 
  — 
  Use 
  of 
  rapid 
  Electrical 
  oscillations 
  for 
  determining 
  dielectric 
  constants, 
  

   W. 
  Nernst: 
  Ultra-red 
  rays, 
  H. 
  Rubens 
  and 
  A. 
  Trowbridge 
  : 
  Production 
  of 
  

   X-rays 
  of 
  different 
  penetrative 
  values, 
  A. 
  A. 
  C. 
  Swinton 
  : 
  Physiological 
  effects 
  

   of 
  the 
  X-rays, 
  M. 
  Sorel, 
  485. 
  — 
  Influence 
  of 
  magnetism 
  on 
  the 
  nature 
  of 
  light 
  

   emitted 
  by 
  a 
  substance, 
  P. 
  Zeeman 
  : 
  First 
  Principles 
  of 
  Natural 
  Philosophy, 
  

   A. 
  E. 
  Dolbear, 
  486. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Congres 
  geologique 
  international. 
  486. 
  — 
  Geological 
  Sur- 
  

   vey 
  of 
  Canada. 
  488. 
  — 
  A 
  guide 
  to 
  the 
  fossil 
  invertebrates 
  and 
  plants 
  in 
  the 
  

   department 
  of 
  geology 
  and 
  palaeontology 
  in 
  the 
  British 
  Museum: 
  Sea 
  mills 
  

   of 
  Cephalonia, 
  F. 
  W. 
  Crosby 
  and 
  W. 
  0. 
  Crosby: 
  Geologischer 
  Wegweiser 
  

   durch 
  das 
  Dresdner 
  Elbthalgebiet 
  zwiscben 
  Meissen 
  und 
  Tetschen 
  : 
  Lawsonite: 
  

   Preliminary 
  report 
  on 
  the 
  Corundum 
  deposits 
  of 
  Georgia, 
  489. 
  

  

  Botany 
  — 
  Practical 
  Botany 
  for 
  Beginners, 
  F* 
  0. 
  Bower: 
  Guide 
  to 
  the 
  Study 
  of 
  

   Common 
  Plants, 
  an 
  Introduction 
  to 
  Botany. 
  V. 
  M. 
  Spalding: 
  Elements 
  of 
  

   Botany, 
  F. 
  Darwin: 
  Laboratory 
  Practice 
  for 
  Beginners 
  in 
  Botany, 
  W. 
  A. 
  

   Setchell: 
  Lessons 
  in 
  Elementary 
  Botany 
  for 
  Secondary 
  Schools, 
  T. 
  H. 
  Mac- 
  

   Bride, 
  490. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Researches 
  on 
  the 
  Evolution 
  of 
  Stellar 
  Sys- 
  

   tems 
  T. 
  J. 
  J. 
  See, 
  491. 
  — 
  Annals 
  of 
  the 
  Astronomical 
  Observatory 
  of 
  Har- 
  

   vard 
  College: 
  Geographische 
  Abhandlungen, 
  A. 
  Penck, 
  492. 
  — 
  Beitrage 
  zur 
  

   Geophysik 
  : 
  Zeitschrift 
  fur 
  physikalische 
  Erdkunde, 
  G. 
  Gerland 
  : 
  Lavori 
  

   esequiti 
  nell' 
  Institute 
  di 
  Fisica 
  dell' 
  Universita 
  di 
  Pisa, 
  H. 
  Battelli 
  : 
  Ostwald"s 
  

   Klassiker 
  der 
  exakteu 
  Wissenschaften 
  : 
  La 
  canse 
  premiere 
  d'apres 
  les 
  donnees 
  

   expenmentales, 
  E. 
  Ferriere 
  : 
  Den 
  Norske 
  Nordhavs-Expedition, 
  494. 
  

  

  Index 
  to 
  Vol. 
  Ill, 
  495. 
  

  

  