﻿468 
  

  

  j! 
  

  

  Telescopes, 
  achromatic 
  objectives, 
  

  

  Harkness, 
  28?. 
  

   Temperatures 
  elevees, 
  mesure 
  des, 
  

  

  Chatelier 
  et 
  Boudouard, 
  395. 
  

   Tennessee 
  University 
  Record, 
  XI, 
  462. 
  

   Thermodynamic 
  relations 
  of 
  water- 
  

   glass, 
  Barus, 
  161. 
  

   Thermostat, 
  electrical, 
  Duane 
  and 
  

  

  Lory, 
  179. 
  

   Todd, 
  M. 
  L., 
  Total 
  Eclipses 
  of 
  the 
  

  

  Sun, 
  393. 
  

   Trowbridge, 
  J., 
  production 
  of 
  X-rays 
  

  

  by 
  battery 
  current, 
  439, 
  

   True, 
  E. 
  H., 
  toxic 
  action 
  of 
  acids 
  on 
  

  

  Lupinus 
  albus, 
  183. 
  

  

  u 
  

  

  Ultra-violet 
  light, 
  effect 
  on 
  gases, 
  381. 
  

   United 
  States 
  Coast 
  Survey, 
  394. 
  

  

  Geological 
  Survey, 
  157, 
  297 
  ; 
  

   20th 
  Ann. 
  report, 
  Monographs, 
  447, 
  

   448. 
  

  

  Geologic 
  Atlas, 
  157, 
  387. 
  

   National 
  Museum, 
  report, 
  233. 
  

  

  Verrill, 
  A. 
  E. 
  

   mudas, 
  313. 
  

  

  jeology 
  of 
  the 
  Ber- 
  

  

  Ward, 
  L. 
  F., 
  Cretaceous 
  formations 
  

   of 
  the 
  Black 
  Hills, 
  70 
  ; 
  Cycadsfrom 
  

   the 
  Wyoming 
  Jurassic, 
  384. 
  

  

  Washington, 
  H. 
  S., 
  analyses 
  of 
  Italian 
  

   volcanic 
  rocks, 
  44. 
  Notice 
  of 
  

   Brogger's 
  lectures, 
  456. 
  

  

  Water, 
  dielectric 
  constant, 
  Calvert, 
  

   382. 
  

  

  movements 
  of 
  ground, 
  King, 
  157. 
  

  

  Watson, 
  W., 
  Text-book 
  of 
  Physics, 
  

   296. 
  

  

  Wieland, 
  G. 
  R. 
  , 
  huge 
  Cretaceous 
  tur- 
  

   tles 
  of 
  South 
  Dakota, 
  237; 
  Evolu- 
  

   tion 
  of 
  the 
  Testudinate 
  humerus, 
  

   413. 
  

  

  Williams, 
  George 
  H., 
  Memorial 
  Lec- 
  

   tures 
  on 
  Geology, 
  Brogger, 
  456. 
  

  

  Williams, 
  H. 
  S., 
  Silurian-Devonian 
  

   boundary 
  in 
  North 
  America, 
  203. 
  

  

  Wisconsin, 
  building 
  stones 
  of, 
  Buck- 
  

   ley, 
  69. 
  

  

  X-Rays, 
  chemical 
  action, 
  Villard, 
  146. 
  

   in 
  magnetic 
  field, 
  Strutt, 
  376. 
  

   produced 
  by 
  battery 
  current, 
  J. 
  

   Trowbridge, 
  439. 
  

  

  Yellowstone 
  National 
  Park, 
  geology, 
  

  

  297. 
  

   Yerkes 
  Observatory, 
  publications, 
  311. 
  

  

  w 
  z 
  

  

  Walcott, 
  C. 
  D., 
  Lower 
  Cambrian 
  in 
  i 
  Zeeman 
  effect, 
  380. 
  

  

  Atlantic 
  Province, 
  302. 
  | 
  Zeitschrift, 
  Groth's, 
  Index, 
  229. 
  

  

  20th 
  Report 
  of 
  Director, 
  U. 
  S. 
  i 
  Zoology, 
  Manual, 
  Parker 
  and 
  Haswell. 
  

   Geol. 
  Survey, 
  448. 
  I 
  390. 
  

  

  