﻿INDEX 
  TO 
  VOLUME 
  XLVIL* 
  

  

  Academy, 
  National, 
  meeting 
  at 
  

  

  Washington, 
  308, 
  451. 
  

   Adelie 
  Land, 
  metamorphic 
  rocks, 
  

  

  Stillwell, 
  388. 
  

   Air, 
  thermal 
  conductivity, 
  Hercus 
  

  

  and 
  Laby, 
  299. 
  

   Alabama, 
  Cretaceous 
  Hymensea 
  

  

  from, 
  Berry, 
  65. 
  

   Ailing, 
  H. 
  L., 
  Adirondack 
  graphite 
  

  

  deposits, 
  145. 
  

   Alsace, 
  potash 
  from, 
  Kestner, 
  68. 
  

   Anderson, 
  W. 
  P., 
  Physics, 
  229. 
  

   Animal 
  movements, 
  etc., 
  Loeb, 
  81. 
  

   Ashley, 
  R. 
  H., 
  Chemical 
  Calcula- 
  

   tions, 
  439. 
  

   Association, 
  American, 
  meeting 
  at 
  

  

  Baltimore, 
  147. 
  

   Astronomy, 
  Young, 
  386. 
  

   Atomic 
  number 
  and 
  spectral 
  series, 
  

  

  Bell, 
  227. 
  

   Australia, 
  Triassic 
  insects, 
  307. 
  

  

  B 
  

  

  Beetles, 
  fossil, 
  Vero, 
  Florida, 
  Wick- 
  

   ham, 
  355. 
  

  

  Berry, 
  E. 
  W., 
  Cretaceous 
  Hyme- 
  

   nsea, 
  from 
  Alabama, 
  65; 
  age 
  of 
  

   Brandon 
  lignite 
  and 
  flora, 
  211. 
  

  

  Beverages 
  and 
  Adulterations, 
  

   Wiley, 
  297. 
  

  

  Biology, 
  Animal, 
  Holmes, 
  309. 
  

  

  — 
  Civic, 
  Hodge 
  and 
  Dawson, 
  239. 
  

   Bone, 
  W. 
  A., 
  Coal, 
  135. 
  

   Botanical 
  Abstracts, 
  82. 
  

  

  — 
  research 
  in 
  Great 
  Britain 
  dur- 
  

   ing 
  the 
  war, 
  Bower, 
  117. 
  

  

  Bower, 
  F. 
  O., 
  botanical 
  research 
  

   during 
  the 
  war, 
  117. 
  

  

  Brandon 
  lignite, 
  age, 
  Berry, 
  211. 
  

  

  Branson, 
  E. 
  B., 
  Geology 
  of 
  Mis- 
  

   souri. 
  78. 
  

  

  Buchanan, 
  J. 
  Y., 
  Observation 
  and 
  

   Reasoning, 
  139. 
  

  

  Bucher, 
  W. 
  H., 
  ripples 
  and 
  related 
  

   sedimentary 
  surface 
  forms, 
  149, 
  

   241. 
  

  

  Carnegie 
  Foundation, 
  bulletin 
  XII, 
  

  

  83. 
  

   — 
  Institution, 
  publications, 
  80, 
  83: 
  

  

  Year 
  Book, 
  450. 
  

   Case, 
  E. 
  C, 
  Stylemys 
  nebracensis, 
  

  

  435- 
  

   Cellulose, 
  Cross 
  and 
  Bevan, 
  239. 
  

  

  *This 
  Index 
  contains 
  the 
  general 
  heads. 
  Chemistry. 
  Geology, 
  Minerals, 
  Obituary; 
  

   under 
  each 
  the 
  titles 
  of 
  Articles 
  referring 
  thereto 
  are 
  included. 
  

  

  Am. 
  Jour. 
  Sci.— 
  Fourth 
  Series, 
  Vol. 
  XLVII, 
  No. 
  282. 
  -June. 
  1919. 
  

   31 
  

  

  Chemical 
  Analysis, 
  Quantitative, 
  

   Fay, 
  225; 
  Mahin, 
  440; 
  Volu- 
  

   metric, 
  Knecht 
  and 
  Hibbert, 
  226. 
  

  

  — 
  Calculations, 
  Ashley, 
  439. 
  

   Chemistry, 
  Colloid, 
  Ostwald 
  and 
  

  

  Fischer, 
  226. 
  

  

  — 
  in 
  Old 
  Philadelphia, 
  Smith, 
  383. 
  

  

  — 
  Organic, 
  Stoddard, 
  135. 
  

  

  — 
  Physiological, 
  Hawk, 
  148. 
  

   CHEMISTRY. 
  

  

  Acidimetry 
  of 
  colored 
  solutions, 
  

  

  Tingle, 
  69. 
  

   Argon, 
  atomic 
  weight, 
  Leduc, 
  

  

  134. 
  

   Carbon, 
  atomic 
  weight, 
  Batuecas, 
  

  

  69. 
  

   Carbonates, 
  alkali 
  determination, 
  

   Dubrisay, 
  Tripier, 
  and 
  Toquet, 
  

   296. 
  

   Glycerine, 
  new 
  source, 
  225. 
  

   — 
  preparation 
  by 
  fermentation, 
  

  

  Schweiser, 
  381. 
  

   Hydrogenation, 
  catalytic, 
  Max- 
  

   ted, 
  441. 
  

   Isotopes, 
  lead, 
  Richards, 
  224. 
  

   Mercury, 
  determination, 
  Jamie- 
  

   son, 
  438. 
  

   Nitrates, 
  determination, 
  Dienert, 
  

  

  69. 
  

   Nitrous 
  acid, 
  determination, 
  

  

  Laird 
  and 
  Simpson, 
  382. 
  

   Potash 
  in 
  Alsace, 
  Kestner, 
  68. 
  

   Sulphur, 
  liquid, 
  Kellas, 
  297. 
  

   Thorium, 
  emanation 
  method 
  for 
  

   determination, 
  Cartledge, 
  134. 
  

   Tungsten, 
  occurrence, 
  Runner 
  

  

  and 
  Hartmann, 
  225. 
  

   Zinc, 
  estimation 
  of, 
  Howden, 
  70. 
  

   Cherts, 
  California, 
  Davis, 
  234; 
  

  

  Kansas, 
  Twenhofel, 
  407. 
  

   Coal 
  and 
  its 
  Uses, 
  Bone, 
  135. 
  

   Coast 
  Survey, 
  U. 
  S., 
  Annual 
  Re- 
  

   port, 
  309. 
  

   Cockerell, 
  T. 
  D. 
  A., 
  fossil 
  parasitic 
  

  

  hymenoptera, 
  376. 
  

   Colorado, 
  Geology 
  of 
  the 
  Raton 
  

   Mesa, 
  Lee 
  and 
  Knowlton, 
  74, 
  142. 
  

   Coloring 
  Matters, 
  Natural 
  Organic, 
  

  

  Perkin 
  and 
  Everest, 
  382. 
  

   Congress, 
  Library 
  of, 
  Report, 
  147. 
  

   Connecticut, 
  geol, 
  survey, 
  390. 
  

   Corals 
  and 
  coral 
  islands, 
  Murray 
  

  

  Is., 
  etc., 
  80. 
  

   Coulter, 
  J. 
  M., 
  and 
  M. 
  C, 
  Plant 
  

  

  Genetics. 
  239. 
  

   Cross, 
  C. 
  F., 
  Cellulose, 
  239. 
  

  

  