﻿CONTENTS. 
  

  

  NumTjer 
  15. 
  

  

  Page 
  

  

  Aet. 
  XVI— 
  Crater 
  Lake, 
  Oregon 
  ; 
  by 
  J. 
  S. 
  Diller. 
  (With 
  

  

  Plate 
  V.) 
  - 
  -- 
  165 
  

  

  XVII. 
  — 
  Origin 
  and 
  Relations 
  of 
  the 
  Grenville 
  and 
  Hastings 
  

   Series 
  in 
  the 
  Canadian 
  Laurentian 
  ; 
  by 
  F. 
  D. 
  Adams, 
  A. 
  

   E. 
  Barlow 
  and 
  R. 
  W. 
  Ells 
  173 
  

  

  XVIII. 
  — 
  Outline 
  of 
  a 
  Natural 
  Classification 
  of 
  the 
  Trilo- 
  

  

  bites 
  ; 
  by 
  C. 
  E. 
  Beecher. 
  (Part 
  II.) 
  ._. 
  181 
  

  

  XIX.— 
  Scoured 
  Bowlders 
  of 
  the 
  Mattawa 
  Valley; 
  by 
  F. 
  B. 
  

  

  Taylor 
  208 
  

  

  XX. 
  — 
  Excursions 
  of 
  the 
  Diaphragm 
  of 
  a 
  Telephone 
  ; 
  by 
  C. 
  

  

  Barus 
  219 
  

  

  XXL 
  — 
  Arctic 
  Sea 
  Ice 
  as 
  a 
  Geological 
  Agent 
  ; 
  by 
  R. 
  S. 
  Tarr 
  223 
  

  

  XXII. 
  — 
  Contribution 
  to 
  the 
  Geology 
  of 
  Newport 
  Neck 
  and 
  

  

  Conanicut 
  Island; 
  by 
  W. 
  O. 
  Crosby 
  ... 
  230 
  

  

  XXIII. 
  — 
  Estimation 
  of 
  Molybdenum 
  Iodometrically; 
  by 
  F. 
  

  

  A. 
  Gooch 
  237 
  

  

  SCIENTIFIC 
  INTELLIGENCE. 
  

  

  Chemistry 
  and 
  Physics— 
  density 
  of 
  Helium, 
  Ramsay: 
  Expansion 
  of 
  Helium 
  and 
  

   Argon. 
  Kuenen 
  and 
  Randall: 
  Electric 
  discharge 
  in 
  Argon 
  and 
  Helium, 
  Col- 
  

   lie 
  and 
  Ramsay, 
  241. 
  — 
  Gases 
  obtained 
  from 
  LTraninite 
  and 
  Eliasite, 
  Lockyer, 
  

   242.— 
  Preparation 
  of 
  Lithium 
  and 
  on 
  a 
  quick 
  Nitrogen 
  .Absorbent, 
  Warren: 
  

   Artificial 
  Production 
  of 
  Diamonds, 
  Moissan, 
  243. 
  — 
  Preparation 
  of 
  Metallic 
  Hy- 
  

   droxides 
  by 
  Electrolysis, 
  Lorenz: 
  "Excited" 
  Metals, 
  and 
  on 
  Excited 
  Alumi- 
  

   num 
  as 
  a 
  reducing 
  agent, 
  Wislioencs. 
  244. 
  — 
  Constants 
  of 
  Nature: 
  Compact 
  

   apoaratus 
  for 
  the 
  study 
  of 
  electric 
  waves, 
  J. 
  C. 
  Bose: 
  New 
  formula 
  for 
  spec- 
  

   trum 
  waves, 
  J. 
  J. 
  Balmers, 
  245. 
  — 
  Discharge 
  rays 
  and 
  the 
  connection 
  between 
  

   them 
  and 
  the 
  Cathode 
  and 
  Rontgen 
  rajs, 
  M. 
  W. 
  Hoffmann: 
  Large 
  storage 
  

   battery: 
  Outlines 
  of 
  Electricity 
  and 
  Magnetism, 
  C. 
  A. 
  Perkins, 
  246. 
  

  

  Geology 
  and 
  Mineralogy 
  — 
  Principal 
  features 
  of 
  the 
  Geology 
  of 
  Southeastern 
  

   Washington, 
  I. 
  C. 
  Russell, 
  246.— 
  Geologic 
  Atlas 
  of 
  the 
  United 
  States 
  Yellow- 
  

   stone 
  National 
  Park, 
  U. 
  S. 
  Geol. 
  Surv.. 
  1896, 
  248.— 
  Report 
  of 
  the 
  Director 
  of 
  

   the 
  United 
  States 
  Geological 
  Survey 
  for 
  the 
  year 
  1895-96, 
  C. 
  D. 
  Walcott, 
  249. 
  

   — 
  Geology 
  of 
  the 
  Castle 
  Mountain 
  Mining 
  district, 
  Montana, 
  W. 
  H* 
  Weed 
  and 
  

   L. 
  V. 
  Pirsson: 
  Eocene 
  deposits 
  of 
  the 
  Middle 
  Atlantic 
  Slope 
  in 
  Delaware, 
  

   Maryland, 
  and 
  Virginia, 
  W. 
  B. 
  Clark: 
  Catalogue 
  des 
  Bibliographies 
  Geolo- 
  

   giques 
  redige 
  avec 
  le 
  concours 
  des 
  membres 
  de 
  la 
  Commission 
  bibliographique 
  

   du 
  Congres, 
  E. 
  de 
  Margerie, 
  250. 
  — 
  Yellow 
  Limestone 
  of 
  Jamaica, 
  R. 
  T. 
  Hill: 
  

   Handbuch 
  der 
  Mineralogie, 
  Dr. 
  C. 
  Hintze, 
  251. 
  

  

  Miscellaneous 
  Scientific 
  Intelligence 
  — 
  Annals 
  of 
  the 
  Astronomical 
  Observatory 
  of 
  

   Harvard 
  College: 
  Smithsonian 
  Physical 
  Tables, 
  T. 
  Gray: 
  North 
  Carolina 
  and 
  

   its 
  Resources: 
  National 
  Museum, 
  252. 
  

  

  