﻿480 
  

  

  INDEX. 
  

  

  R 
  

  

  Eaces 
  of 
  Europe, 
  W. 
  Z. 
  Eipley, 
  474. 
  

   Eadio-active 
  substances, 
  Haen, 
  3b6 
  ; 
  

  

  Debierne, 
  463 
  ; 
  Giesel, 
  463. 
  

   Eansome, 
  F. 
  L., 
  nepheline 
  syenite 
  in 
  

  

  New 
  Jersey, 
  417. 
  

   Eipley, 
  W. 
  Z., 
  Eaces 
  of 
  Europe, 
  474. 
  

  

  EOCKS 
  — 
  

  

  Andesites 
  from 
  Maine, 
  Gregory, 
  

  

  359. 
  

   Gabbro 
  du 
  Pallet, 
  Lacroix, 
  81. 
  

   Kyshtymite 
  and 
  corundum-syenite, 
  

  

  of 
  the 
  Urals, 
  81. 
  

   Nepheline 
  syenite. 
  New 
  Jersey, 
  

  

  Eansome, 
  417. 
  

   Trachytes, 
  Italian, 
  Washington, 
  

  

  286. 
  

   Eood, 
  O. 
  N., 
  flicker 
  photometer, 
  194, 
  

  

  258. 
  

   Eotatory 
  polarization 
  produced 
  by 
  

  

  torsion, 
  Ewell, 
  89. 
  

   Eowland, 
  H. 
  A., 
  electrical 
  measure- 
  

   ments, 
  35 
  ; 
  address 
  before 
  the 
  

   American 
  Physical 
  Society, 
  401. 
  

  

  s 
  

  

  Sardeson, 
  F. 
  W., 
  Lichenaria 
  tvpa, 
  W. 
  

   and 
  S., 
  101. 
  

  

  Scientia, 
  86. 
  

  

  Spurr, 
  J. 
  E., 
  geology 
  of 
  Aspen 
  min- 
  

   ing 
  district, 
  465. 
  

  

  Stars, 
  catalogue 
  of, 
  Porter, 
  87. 
  

  

  Stars 
  and 
  Telescopes, 
  Todd., 
  87. 
  

  

  Steiger, 
  G., 
  experiments 
  with 
  pecto- 
  

   lite, 
  etc., 
  245. 
  

  

  Trowbridge, 
  A., 
  investigation 
  of 
  the 
  

  

  coherer, 
  199. 
  

   Trowbridge, 
  J., 
  explosive 
  efiPect 
  of 
  

  

  electrical 
  discharges, 
  239. 
  

  

  United 
  States 
  Geological 
  Survey, 
  18th 
  

   annual 
  report, 
  75 
  ; 
  19th 
  annual 
  

   report, 
  76, 
  87, 
  392. 
  

  

  w 
  

  

  Walcott, 
  C. 
  D.. 
  Pre-Cambrian 
  fossilif- 
  

   erous 
  formations, 
  78. 
  

  

  Ward, 
  H. 
  L.. 
  new 
  iron 
  meteorite. 
  

   North 
  Carolina, 
  225 
  ; 
  new 
  meteorite 
  

   at 
  Allegan, 
  Michigan, 
  412. 
  

  

  AVarren 
  C. 
  H., 
  composition 
  of 
  pari- 
  

   site, 
  21 
  ; 
  new 
  minerals 
  from 
  Frank- 
  

   lin, 
  N. 
  J., 
  339. 
  

  

  Washington, 
  H. 
  S., 
  analyses 
  of 
  Ital- 
  

   ian 
  volcanic 
  rocks, 
  286. 
  

  

  Way, 
  A. 
  F., 
  separation 
  of 
  iron, 
  217. 
  

  

  Weather, 
  March, 
  in 
  the 
  United 
  States, 
  

   Fassig, 
  319. 
  

  

  Wieland, 
  G. 
  E. 
  , 
  terminology 
  of 
  verte- 
  

   bral 
  centra, 
  163 
  ; 
  cycadean 
  monoe- 
  

   cism, 
  164 
  ; 
  note 
  on 
  Cycadofilices, 
  

   309. 
  

  

  Williams, 
  H. 
  S., 
  Devonian 
  interval 
  in 
  

   northern 
  Arkansas, 
  139. 
  

  

  X-rays, 
  refraction 
  of 
  , 
  Haga 
  and 
  Wind, 
  

   385. 
  

  

  Taff, 
  J. 
  A., 
  an 
  albertite-like 
  asphalt, 
  

  

  Indian 
  Territory, 
  219. 
  

   Tarleton, 
  F. 
  A. 
  , 
  Mathematical 
  Theory 
  

  

  oi 
  Attraction, 
  88. 
  

   Thermoelectricity 
  in 
  certain 
  metals, 
  

  

  Holborn 
  and 
  Day, 
  303. 
  

   Thermometer, 
  gas, 
  Holborn 
  and 
  Bay, 
  

  

  165. 
  

   Tierreich, 
  Das, 
  Schulze, 
  397. 
  

   Tilden, 
  W. 
  A., 
  Progress 
  of 
  Scientific 
  

  

  Chemistry, 
  385. 
  

   Todd, 
  D. 
  P., 
  Stars 
  and 
  Telescopes, 
  87. 
  

  

  Zoology 
  — 
  

  

  Catalogus 
  mammalium, 
  397. 
  

   Congress 
  of 
  Zoology, 
  1898, 
  398. 
  

   Embryology 
  of 
  Invertebrates, 
  Kor- 
  

  

  schelt 
  and 
  Heider, 
  471. 
  

   Fauna, 
  Historv 
  of 
  European, 
  

  

  Scharff, 
  395. 
  

   Insects, 
  their 
  structure 
  and 
  lip, 
  

  

  Carpenter, 
  473. 
  

   Odonata 
  of 
  Ohio, 
  Kellicott, 
  88. 
  

   Eesults 
  from 
  material 
  from 
  New 
  

  

  Britain, 
  etc., 
  Willey, 
  398. 
  

   Vertebrate 
  Zoology, 
  Kingsley, 
  472. 
  

  

  