﻿INDEX. 
  

  

  459 
  

  

  Tables 
  for 
  Engineers, 
  etc., 
  Ferris, 
  

  

  309. 
  

   Tampico, 
  geology, 
  Dumble, 
  79. 
  

   Tear-figures 
  of 
  minerals, 
  Kuhara, 
  

  

  448. 
  

   Texas, 
  geology 
  of 
  Glass 
  Mts., 
  

  

  Udden, 
  Baker 
  and 
  Bowman, 
  79; 
  

  

  Bose, 
  305; 
  Udden, 
  387. 
  

  

  — 
  Pectinidse, 
  Kniker, 
  234. 
  

  

  — 
  Permo-Carboniferous, 
  ammo- 
  

   noids 
  of, 
  Bose, 
  305. 
  

  

  Thum, 
  E. 
  E., 
  metallurgy, 
  298. 
  

   Time^ 
  All-American, 
  Porter, 
  310. 
  

   Twenhofel, 
  W. 
  H., 
  chert 
  of 
  the 
  

  

  Wreford 
  and 
  Foraker 
  limestone 
  

  

  of 
  Kansas, 
  etc., 
  407. 
  

  

  U 
  

  

  United 
  States 
  Bureau 
  of 
  Mines, 
  

   publications, 
  143. 
  

  

  — 
  Coast 
  Survey, 
  Annual 
  Report, 
  

  

  309- 
  

  

  — 
  Geol. 
  Survey, 
  39th 
  Annual 
  Re- 
  

   port, 
  140; 
  Publications, 
  141. 
  

  

  Vancouver, 
  geology, 
  Burwash, 
  79. 
  

  

  W 
  

  

  Walcott, 
  C. 
  D., 
  appendages 
  of 
  

  

  Trilobites, 
  231. 
  

   Walter, 
  H. 
  E., 
  Human 
  Skeleton, 
  

  

  81. 
  

   War 
  Neuroses, 
  MacCurdy, 
  147. 
  

   White, 
  W. 
  P., 
  silicate 
  specific 
  

  

  heats, 
  1; 
  specific 
  heat 
  determina- 
  

   tion 
  at 
  higher 
  temperatures, 
  44. 
  

   Wickham, 
  W. 
  F., 
  fossil 
  beetles, 
  

  

  Verd, 
  Florida, 
  355. 
  

   Wieland, 
  G. 
  R., 
  classification 
  of 
  

  

  Cycadophyta, 
  391. 
  

   Wiley, 
  H. 
  W., 
  Beverages, 
  and 
  

  

  Adulterations, 
  297. 
  

   Williston, 
  Samuel 
  W., 
  obituary 
  

  

  notice, 
  220. 
  

   Winchell, 
  A. 
  E., 
  dustfall 
  of 
  March, 
  

  

  1918, 
  133. 
  

   Windhausen, 
  Argentine 
  Neoco- 
  

  

  mian, 
  303, 
  

   Wisconsin, 
  Quaternary 
  Geology, 
  

  

  Alden, 
  143. 
  

  

  X 
  

   X-Rays, 
  absorption 
  of, 
  Owen, 
  301. 
  

  

  Young, 
  C. 
  A., 
  Astronomy, 
  386. 
  

  

  Zoology, 
  Reese, 
  452. 
  

  

  