﻿527 
  

  

  Geology 
  — 
  

  

  Glacier 
  clays 
  and 
  till 
  near 
  Boston, 
  

  

  Crosby, 
  2 
  £9. 
  

  

  scratches 
  in 
  Pennsylvania, 
  Foshay 
  

  

  and 
  Hice, 
  172. 
  

   Grand 
  River, 
  Labrador. 
  Cary, 
  419, 
  

  

  516. 
  

   Greenstone 
  schist 
  in 
  Michigan, 
  Wil- 
  

   liams, 
  259. 
  

   Greylock 
  syncliaorium, 
  Dale, 
  347. 
  

   Tron-ores. 
  genesis, 
  Kimball, 
  231. 
  

   Jura-Trias, 
  see 
  Triassic. 
  

   Mount 
  St. 
  Elias, 
  Russell, 
  171. 
  

   Ouachita 
  Mt. 
  system, 
  Hill, 
  111. 
  

   Peridotite 
  dikes 
  near 
  Ithaca, 
  N. 
  Y., 
  

  

  Kemp, 
  410. 
  

   Permian 
  coal 
  plants, 
  Zeiller, 
  75. 
  

   Pleistocene 
  fluvial 
  planes 
  of 
  Pennsyl- 
  

   vania, 
  Leverett, 
  200. 
  

   Rocky 
  Mt. 
  region 
  in 
  Canada, 
  Dawson, 
  

  

  259. 
  

   Silurian 
  sandstone 
  of 
  Keweenaw 
  Pt., 
  

  

  Wadsworth, 
  170. 
  

   Sphenophyllum, 
  Newberry, 
  76. 
  

   Spherulites 
  in 
  rhyolite, 
  Iddings 
  and 
  

  

  Penfield, 
  39. 
  

   Steep 
  Rock 
  Lake, 
  Ont., 
  geology, 
  

  

  Smyth, 
  317. 
  

   Stegosaurus, 
  restoration 
  of, 
  Marsh, 
  179. 
  

   Tertiary, 
  pre-pleistocene 
  age 
  of 
  the 
  

  

  orange 
  sands, 
  Salisbury, 
  252. 
  

   silicified 
  wood 
  of 
  Arkansas, 
  Call, 
  

  

  394. 
  

   Trap 
  range 
  of 
  the 
  Keweenawan 
  series, 
  

  

  Wadsworth, 
  417. 
  

   Triassic 
  fossiliferous 
  black 
  shale 
  of 
  

  

  Connecticut, 
  Davis 
  and 
  Loper, 
  72. 
  

   trap 
  rocks 
  of 
  Connecticut, 
  Davis 
  

  

  and 
  Loper, 
  72. 
  

  

  of 
  New 
  Haven, 
  Dana, 
  79. 
  

   Percival's 
  map 
  of, 
  and 
  on 
  the 
  

  

  mountain-making, 
  Dana, 
  439. 
  

   Vertebrate 
  fossils 
  as 
  a 
  criterion 
  of 
  

  

  age, 
  Marsh, 
  336. 
  

   Volcanic, 
  see 
  Volcanic. 
  

   Water 
  of 
  a 
  salt 
  lake 
  on 
  Oahu, 
  anal., 
  522. 
  

  

  Georgia, 
  geological 
  survey 
  for 
  1890, 
  

   1891, 
  515. 
  

  

  Glacier, 
  see 
  Geology. 
  

  

  Gooch, 
  F. 
  A., 
  determination 
  of 
  antimo- 
  

   ny, 
  213; 
  the 
  determination 
  of 
  potas- 
  

   sium 
  spectroscopically, 
  448 
  ; 
  estima- 
  

   tion 
  of 
  chlorates, 
  220; 
  separation 
  of 
  

   antimony 
  from 
  arsenic, 
  308. 
  

  

  Goodale, 
  G. 
  L., 
  botanic 
  gardens 
  in 
  the 
  

   equatorial 
  belt 
  and 
  south 
  seas, 
  173, 
  

   260, 
  347, 
  434, 
  517; 
  possibilities 
  of 
  

   economic 
  botany, 
  271. 
  

  

  Gruener, 
  H. 
  W., 
  determination 
  of 
  anti- 
  

   mony, 
  213. 
  

  

  Hale, 
  G. 
  E., 
  photographic 
  investigation 
  

   of 
  solar 
  prominences. 
  160; 
  the 
  ultra- 
  

   violet 
  spectrum 
  of 
  the 
  solar 
  promi- 
  

   nences, 
  459. 
  

  

  Harrington, 
  J. 
  B., 
  so-called 
  amber 
  of 
  

   Cedar 
  Lake, 
  Canada, 
  332. 
  

  

  Hart, 
  T. 
  S., 
  potassium 
  determined 
  and 
  

   detected 
  spectroscopically, 
  448. 
  

  

  Hawaiian 
  Islands, 
  salt 
  lake 
  of 
  Oahu, 
  522. 
  

   volcano 
  of 
  Kilauea, 
  77. 
  

  

  Haworth, 
  B., 
  origin 
  of 
  Archean 
  rocks 
  of 
  

   Missouri, 
  515. 
  

  

  Hice, 
  R. 
  R., 
  glacier 
  scratches 
  in 
  western 
  

   Pennsylvania, 
  172. 
  

  

  Hidden, 
  W. 
  B., 
  new 
  yttrium-silicate, 
  

   rowlandite, 
  430 
  

  

  Hill, 
  R. 
  T., 
  Ouachita 
  Mt. 
  system, 
  111. 
  

  

  Hillebrand, 
  W. 
  . 
  F 
  M 
  new 
  analyses 
  of 
  

   uraninite, 
  390. 
  

  

  Hoffman, 
  G. 
  C, 
  ilvaite, 
  432. 
  

  

  Holm, 
  T., 
  vitality 
  of 
  some 
  annual 
  plants, 
  

   304. 
  

  

  I 
  

  

  Iddings, 
  J. 
  P., 
  spherulites 
  from 
  Wyom- 
  

   ing, 
  39. 
  

  

  India 
  rubber, 
  solution 
  of, 
  Barus,'359. 
  

  

  Indian 
  Territory, 
  geology, 
  Hill, 
  111. 
  

  

  Interference 
  of 
  light, 
  influence 
  of 
  bright- 
  

   ness 
  upon, 
  Ebert, 
  342. 
  

  

  Infusorial 
  earths 
  of 
  the 
  Pacific 
  coast, 
  

   Edwards, 
  369. 
  

  

  Iron, 
  Chemical 
  analysis, 
  Blair, 
  428. 
  

  

  Keller, 
  H. 
  F, 
  Michigan 
  minerals, 
  499. 
  

   Kemp, 
  J. 
  F., 
  peridotite 
  dikes 
  near 
  

  

  Ithaca, 
  N. 
  Y., 
  410. 
  

   Kilauea, 
  volcano 
  of, 
  Baker, 
  77. 
  

   Kimball, 
  J. 
  P., 
  genesis 
  of 
  iron 
  ores, 
  231. 
  

   Kittredge, 
  The 
  Metal 
  Worker, 
  523. 
  

   Kokscharow, 
  N. 
  v., 
  Mineralogie 
  Russ- 
  

  

  lands, 
  77. 
  

  

  Labrador, 
  geological 
  notes 
  on, 
  Cary, 
  419, 
  

   516. 
  

  

  Lane, 
  A. 
  C, 
  Michigan 
  minerals, 
  499. 
  

  

  Langley, 
  S. 
  P., 
  experiments 
  in 
  aerody- 
  

   namics, 
  427. 
  « 
  

  

  Latitudes, 
  secular 
  variation 
  of, 
  Com- 
  

   stock, 
  470. 
  

  

  Lea, 
  M. 
  C, 
  allotropic 
  silver, 
  312. 
  

  

  Leidy 
  memorial 
  museum, 
  438. 
  

  

  Leverett, 
  F., 
  pleistocene 
  fluvial 
  planes 
  

   of 
  Pennsylvania, 
  200. 
  

  

  Light, 
  reflection 
  and 
  refraction 
  by 
  their 
  

   surface 
  layers, 
  Drude, 
  70. 
  

  

  Luedeking, 
  C, 
  Missouri 
  barite, 
  495. 
  

  

  Lyons, 
  A. 
  B., 
  analysis 
  of 
  water 
  from 
  the 
  

   salt 
  lake 
  of 
  Oahu, 
  522. 
  

  

  