722 
INDEX 
Solar constant (Abbot), 4. 
Solar radiation (Abbot), 82. 
Solubility of globulin (Cohn), 256. 
Solutions, osmotic pressure in (Loeb), 211. 
Solutions, ionization in (Noyes and Mac- 
Innes), 18. 
Solutions, osmotic pressure (Bartell), 306. 
Solutions, thermodynamics of (Hitch- 
cock), 186. 
SosMAN, R. B. An Outline of Geo- 
physical-Chemical Problems, 592. 
Sound, location of (Stewart), 166. 
Sound, velocity of (Foley), 310. 
Specific heat of gases (Webster), 303. 
Spectra, absorption, in electric furnace 
(King), 63. 
Spectrum in X-Rays from platinum 
(Webster), 26. 
Spinden, H. J. Central American Calen- 
dars and the Gregorian Day, 56. 
Star clusters (Shapley), 293. 
Star clusters, magnitudes in (Shapley and 
Davis), 486. 
•Statistical methods (Linhart), 682. 
Stebbins, J., see Campbell, W. W., 349. 
Stenstrom, W., see Duane, W., 477, 607. 
Stewart, G. W. The Functions of In- 
tensity and Phase in the Binaural 
Location of Pure Tones, 166. 
StouffeR, K. B. Seminvariants of a 
General System of Linear Homo- 
geneous Differential Equations, 645! 
Sturtevant, a. H., see Morgan, T. H., 
162. 
Sullivan, L. R. Anthropometry of the 
Siouan Tribes, 131. 
Sun, variability of (Abbot), 674. 
Telescopes, increasing photographic power 
(Shapley), 127. 
Temperature of dry cows (Kriss), 539. 
TennenT, D. H. Evidence of the Nature 
of Nuclear Activity, 217. 
Tennessee, fossil plants from (Berry), 333. 
Temperature effects on ants (Shapley), 
204. 
Thermodynamics of solutions (Hitch- 
cock), 186. 
Thompson, L. T. E., Hickman, C. N., 
and RiFFOLT, N. The Measurement 
of Small Time Intervals and Some 
Applications, Principally Ballistic, 
169. 
Thomson effect (Hall), 139, 613. 
Time, measurement of (Thompson et al.), 
169. 
Torsional magnetism (Barus), 59. 
Transformations, commutative (Lunn), 
24. 
Transformations, groups of (Zeldin), 541. 
Transplating limbs in animals (Detwiler), 
695. 
Underhill, F. p., Honeij, J. A., and 
BoGERT, J. Calcium and Magnesium 
Metabolism in Certain Diseases, 79. 
Underbill, F. P., Ringer, M., and 
WiLKTNS, T. Blood Concentration 
Changes in Influenza, 692. 
Vandiver, H. S. On Kummer's Memoir 
of 1857 Concerning Fermat's Last 
Theorem, 266. 
. On the Class Number of the 
Field 0(e2tV/^w) and the Second 
Case of Fermat's Last Theorem, 416. 
Velocity of light (Michelson), 476. 
Velocity of sound (Foley), 310. 
Vibration of air in horns (Webster), 316. 
Viscosity and elasticity (Michelson), 122. 
Viscosity, torsional (Barus), 1. 
Vision, persistence of (Hardy), 221. 
Vitamine, antineuritic (Dutcher), 10. 
Vitamines, isolation of (Myers and 
Voegtlin), 3. 
Voegtlin, C, see Myers, C. N., 3. 
Volcanology (Cross et al.), 706. 
Washington, H. S. The Problems of 
Volcanology, 583. 
Water ram in pipe lines (Durand), 441. 
Weather Bureau, Hawaii (Cross et al.), 
706. 
Weather forecasting (Goddard), 493. 
Webster, A. G. On the Springfield 
Rifle and the Leduc Formula, 289. 
. On the Connection of the Specific 
Heats with the Equation of State 
of a Gas, 303. 
. Experiments on the Vibration 
of Air in Conical Horns, 316. 
. On a Condition for Helmholtz's 
Equation Similar to Lame's, 605. 
. Some New Methods in Interior 
BalUstics, 648. 
Webster, D. L. The Intensities of 
X-Rays of the L Series, II. The 
Critical Potentials of the Platinum 
Series, 26. 
. An Improved Form of High 
Tension D. C. Apparatus, 269. 
Weinstein, a. Homologous Genes and 
Linear Linkage in Drosophila Virilis, 
625. 
Whittemore, J. K. The Starting of a 
Ship, 182. 
Wilbur, D. T., see Nichols, E. L., 693. 
Wilkins, L., see Underhill, F. P., 692. 
Wright, S. The Relative Importance 
of Heredity and Environment in 
Determining the Piebald Pattern of 
Guinea-Pigs, 320. 
X-radiation (Kovarik), 105. 
X-rays, characteristic absorption (Duane 
and Patterson), 509. 
X-rays in cancer (Murphy), 35. 
X-rays, K series (Duane and Stenstrom), 
477. 
X-rays, intensities of (Webster), 26. 
X-rays, platinum and tungsten (Hoyt), 
639. 
X-ray spectra (Duane and Patterson), 518, 
Yellow fever (Noguchi), 110. 
Zeeman effect (King), 65. 
Zeldin, S. D. On the Structure of 
Finite Continuous Groups with Ex- 
ceptional Transformations, 541. 
