﻿526 
  

  

  Color 
  photography, 
  see 
  photography. 
  

   Comets, 
  capture 
  of, 
  by 
  planets, 
  Newton, 
  

  

  183, 
  482. 
  

   Comstock, 
  G. 
  C, 
  secular 
  variation 
  of 
  

  

  latitudes, 
  470. 
  

   Corona, 
  solar, 
  Bigelow, 
  1. 
  

   Crosby, 
  W. 
  G., 
  composition 
  of 
  till 
  or 
  

  

  bowlder 
  clay, 
  259. 
  

   Cutter, 
  E., 
  phonics 
  of 
  auditoriums, 
  468. 
  

  

  Dale, 
  T. 
  W., 
  the 
  Greylock 
  synclinorium, 
  

   347. 
  

  

  Dana, 
  J. 
  D., 
  non-volcanic 
  igneous 
  ejec- 
  

   tions 
  and 
  the 
  Four 
  Rocks 
  of 
  New 
  

   Haven, 
  79; 
  Percival's 
  map 
  of 
  the 
  

   trap-belts 
  of 
  central 
  Connecticut, 
  and 
  

   the 
  upturning 
  of 
  the 
  Sandstone, 
  439. 
  

  

  Danner, 
  E. 
  W., 
  separation 
  of 
  antimony 
  

   from 
  arsenic, 
  308. 
  

  

  Davis, 
  W. 
  M., 
  fossiliferous 
  black 
  shale 
  

   of 
  Connecticut, 
  72. 
  

  

  Davison, 
  C, 
  earthquakes 
  in 
  G-reat 
  Brit- 
  

   ain 
  in 
  1889, 
  512. 
  

  

  Davison, 
  J. 
  M., 
  kamacite, 
  tsenite 
  and 
  

   plessite. 
  analyses, 
  64. 
  

  

  Dawson, 
  G. 
  M., 
  geology 
  of 
  the 
  Rocky 
  

   Mountain 
  region 
  in 
  Canada, 
  259. 
  

  

  Denning, 
  W. 
  P., 
  Telescopic 
  work 
  for 
  

   starlight 
  evenings, 
  178. 
  

  

  Denudation 
  in 
  the 
  Egvptian 
  desert, 
  

   Walther, 
  177. 
  

  

  Ditt, 
  A., 
  Lecons 
  sur 
  les 
  Metaux, 
  258; 
  

  

  Dumble, 
  E. 
  T., 
  geol. 
  survey 
  of 
  Texas, 
  430. 
  

  

  Dunnington, 
  F. 
  P., 
  titanic 
  acid 
  in 
  soils, 
  

   etc., 
  491. 
  

  

  E 
  

  

  Eakins, 
  L. 
  G-., 
  astrophyllite 
  and 
  tscheff- 
  

  

  kinite, 
  34. 
  

   Earthquakes 
  in 
  Great 
  Britain, 
  1889, 
  

  

  Davison, 
  512. 
  

   Edwards, 
  A. 
  M., 
  infusorial 
  earths 
  of 
  the 
  

  

  Pacific 
  coast, 
  369. 
  

   Egleston, 
  T., 
  Catalogue 
  of 
  minerals 
  and 
  

  

  synonyms, 
  434. 
  

   Electrical 
  oscillations, 
  damping 
  of, 
  

  

  Bjerknes, 
  511. 
  

  

  on 
  iron 
  wires, 
  Trowbridge, 
  223. 
  

   waves, 
  velocity, 
  Avons 
  and 
  Rubens, 
  

  

  511. 
  

   Electricity, 
  chapters 
  on, 
  Sheldon, 
  511. 
  

   discharge 
  through 
  exhausted 
  tubes, 
  

  

  Thomson, 
  426. 
  

  

  and 
  magnetism, 
  mathematical 
  the- 
  

   ory, 
  Emtage, 
  510. 
  

   Electrochemical 
  equivalent 
  of 
  copper, 
  

  

  Vanni, 
  511. 
  

   Electrolytic 
  generation 
  of 
  gas, 
  Chabry, 
  

  

  511. 
  

  

  Electromagnetic 
  units, 
  ratio 
  of 
  to 
  elec- 
  

   trostatic, 
  Thomson 
  and 
  Searle, 
  427. 
  

  

  Electrometers, 
  small. 
  Boys, 
  342. 
  

  

  Emtage, 
  W. 
  T. 
  H., 
  Mathematical 
  theory 
  

   of 
  electricity 
  and 
  magnetism, 
  510. 
  

  

  Ferrier, 
  W. 
  F., 
  tungsten 
  minerals 
  in 
  Can- 
  

   ada, 
  347. 
  

  

  Flying 
  machine, 
  Maxim's, 
  342. 
  

  

  Foote, 
  A. 
  E 
  , 
  meteoric 
  iron 
  of 
  Canon 
  

   Diablo, 
  413. 
  

  

  Foshay, 
  P. 
  M., 
  glacier 
  scratches 
  in 
  west- 
  

   ern 
  Pennsylvania, 
  172. 
  

  

  Fossil, 
  see 
  Geology. 
  

  

  Frazer, 
  R., 
  Tables 
  for 
  the 
  determination 
  

   of 
  minerals, 
  77. 
  

  

  Fremy, 
  E., 
  Synthese 
  du 
  Rubis, 
  432. 
  

  

  G 
  

  

  Gas, 
  electrolytic 
  generation 
  of, 
  Chabry, 
  

  

  511. 
  

   Geikie, 
  A., 
  history 
  of 
  volcanic 
  action 
  in 
  

  

  the 
  British 
  Isles, 
  178. 
  

   Geological 
  annual, 
  1889, 
  Carezand 
  Dou- 
  

  

  ville, 
  76. 
  

   Geological 
  Reports 
  and 
  Surveys 
  — 
  

   Alabama, 
  Smith, 
  515. 
  

   Arkansas, 
  1888. 
  Branner, 
  347. 
  

   Georgia, 
  L890, 
  1891, 
  515. 
  

   Missouri, 
  Bulletin, 
  No. 
  5, 
  515. 
  

   New 
  Jersey, 
  1890, 
  Smock, 
  70. 
  

   Texas. 
  Dumble, 
  430. 
  

   Geological 
  Society 
  of 
  America, 
  meeting 
  

  

  at 
  Washington, 
  77, 
  344. 
  

   Geologists, 
  international 
  congress, 
  meet- 
  

   ing 
  at 
  Washington, 
  78, 
  343. 
  

  

  U. 
  S. 
  Association 
  of 
  Government, 
  

   344. 
  

   Geology 
  — 
  

  

  Archaean 
  limestone 
  of 
  N. 
  Jersey, 
  70. 
  

   rocks 
  of 
  Missouri, 
  origin* 
  of, 
  Ha- 
  

   worth, 
  515. 
  

   Asphaltum 
  of 
  Utah 
  and 
  Colorado, 
  

  

  Stone, 
  148. 
  

   Bilobites, 
  development 
  of, 
  Beecher, 
  51. 
  

   Cambrian, 
  lower, 
  fauna 
  of, 
  Walcott, 
  345. 
  

   St. 
  John 
  group, 
  No. 
  2, 
  fauna 
  of, 
  

   Matthew, 
  73. 
  

  

  rock-disintegration 
  as 
  related 
  to 
  

   transitional 
  crystalline 
  schists, 
  Pum- 
  

   pelly, 
  346. 
  

   Carboniferous 
  in 
  France, 
  flora 
  of. 
  

  

  Zeiller, 
  75. 
  

   Contact-metamorphism, 
  formation 
  of 
  

  

  graphite 
  in, 
  514. 
  

   Fossil 
  insects 
  of 
  the 
  world, 
  index 
  to 
  

  

  known, 
  Scudder, 
  516. 
  

   Glacial 
  Lake 
  Agassiz 
  in 
  Manitoba, 
  

   Uphara, 
  429. 
  

  

  