558 



INDEX 



*Densities at high temperatures. A. 

 L. Day, R. B. Sosman and J. C. 



HOSTETTER. 521. 



*Density of solid substances. J. John- 

 ston and L. H. Adams. 113. 

 Determination of the zonal variation 

 of the equivalent focus. E. D. 



TiLLYER. 481. 



*Determination of aqueous vapor. F. 

 E. FowLE. 425. 



*La mesure des temperatures elevees 

 par le thermonetre a gaz. Arthur 

 L. Day and R. B. Sosman. 501. 

 A differential telethermograph. L. 



J. Briggs. 33. 

 Electrical goniometer furnace. F. 

 E. Wright. 396. 



*Fluidity and its relation to other 

 physical and chemical properties 

 E. C. Bingham. 341. 

 High frequency resistances. L. W. 

 Austin. 94. 



*Latent heat of fusion of ice. H. C. 

 Dickinson, D. R. Harper and N. 

 S. Osborne. 453. 



^Mechanical model of the least square 



adjustment. M. D. Hersey. 296. 



Media of high refraction. H. E. 



Merwin. 35. 

 Melting points of the refractory ele- 

 ments. G. K. Burgess and R. G. 

 Waltenburg. 371. 

 Melting points of refractory oxides. 



C. W. Kanolt. 315. 

 A micropyrometer. G. K. Burgess. 

 7. 



*Mixtures of amorphous sulfur and 

 selenium as immersion media for 

 determination of high refractive 

 indices. H. E. Merwin and E. S. 

 Larsen. 114. 



*New calorimetric resistance ther- 

 mometers. Dickinson and Muel- 

 ler. 296. 



*New thermal microscope. F. E. 

 Wright. 232. 



*Photometric error sometimes accom- 

 panying the use of a pair of nicols. 

 I. S. Priest. 298. 

 *Present status of the temperature 



scale. G. K. Burgess. 21. 

 Recent theories of heat and radiation. 



W. WiEN. 273. 

 *Simplified formula for the change in 

 order of interference due to changes 

 in temperature and pressure of air. 

 I. G. Priest. 150. 

 Suggestions for frost protection. K. 



F. Kellerman. 53. 

 Thermoelectric methods in calori- 



metry. W. P. White. 319. 

 References: 30. 



— ■ — ^See also: Electricity; Electro- 

 chemistry; Geo-physics; Physical 

 chemistry; Radiotelegraphy; Ter- 

 restrial magnetism. 

 Physiological botany. Formation of leaf- 

 mold. F. V. Colville. 77. 

 Phytopathology. *Coconut bud-rot. J. 

 R. Johnston. 26. 

 *Fungous parasites. C. L. Shear 



and A. K. Wood. 194. 

 *Knot of citrus trees caused by Sphae- 

 ropsis tumefacieng. F. Hedges 

 and L. S. Tenny. 29. 

 Pathology of Solanum tuberosum. W. 

 A. Orton. 180. 

 Plant physiology. *Absorption and ex- 

 cretion of salts by roots. R. H. 

 True and H. H. Bartlett. 26. 

 *Effects of refrigeration on sulfured 

 and unsulfured hops. W. W. Stock- 

 BERGER and F. Rabak. 120. 

 *Forced curing of lemons. A. F. 



SiEVERS and R. H. True. 25. 

 *Water requirements of plants. L. J. 



Briggs and H. L. Shantz. 536. 

 *Wilting coefficient for plants in 

 alkali soils. T. H. Kearney. 119. 

 Psycho pathology. *The dream in the 

 life of the mind. T. A. Williams. 

 155. 



* Abstracts. 



