630 



INDEX 



Radiation, gray, criteria for. P. D. 

 Foote. 573. 



fRelative sensibility of the average 

 eye to lights of different colors. 

 W. W. Coblentz. 17. 



*Sensibility of average eye to light 

 of different colors. W. W. Cob- 

 lentz and W. B. Emerson. 427. 



fSolubility, influence of non-uni- 

 form ? pressure on. J. C. Hos- 

 tetter. 79. 



*Specific gravity balance for gases. 

 J. D. Edwards. 160. 



fSpecific heats at high temperatures. 

 W.' P. White. 21. 



"Thermometric fixed points, stand- 

 ard samples for. 561. 



Viscometers, "calibration of. E. C. 

 Bingham and R. F. Jackson. 53. 



Visibility equation derived from the 

 Ives and Kingsbury new lumi- 

 nosity equation. P. D. Foote. 

 317. 



References. 466. 



See also: Astrophysics; Biophysics; 

 Crystallography; Electricity; Elec- 

 trochemistry ; Geophysics ; Magnet- 

 ism; Metallography; Optics; Pho- 

 tometry; Physical Chemistry; 

 Pyrometry; Radiation; Radiote- 

 legraphy; Spectroscopy; Technol- 

 ogy; Terrestrial Magnetism. 



Physical Chemistry. Autoclave, a con- 

 venient form of. G. W. Morey. 

 205. 



Plant Physiology, [Influence of cold 

 in stimulating growth of plants. 

 TF. V. Coville. 394. 

 References. 496. 



Pyrometry. The proper type of ab- 

 sorption glass for an optical 

 pyrometer. P. D. Foote, F. L. 

 Mohler, and C. O. Fairchild. 

 545. 



Phytopathology . fBlister rust of white 

 pine, control of. Haven Met- 

 calf. 313. 



fBlister rust of white pine, techni- 

 que for study of. R. H. Collet. 

 314. 



*Crown gall, mechanism of tumor 

 growth in. E. F. Smith. 187. 



•[Introduction of foreign plant dis- 

 eases. R. K. Beattie. 168. 



References. 492. 



Radiation. *Emissivity of tungsten 



filaments. W. W. Coblentz. 426. 



*Luminous radiation from a black 



body. W. W. Coblentz and W. 



B. Emerson. 542. 



*Planck's radiation equation, calcu- 

 lation of the constants of. H. M. 

 Roeser. 542. 



[Radiometers, characteristics and 

 sensitiveness of. W. W. Cob- 

 lentz. 164. 

 Radiotelegraphy. Notes on the au- 

 dion. L. W. Austin. 487. 



Spectroscopy. *Helium spectrum, 

 wave-length of the stronger lines. 

 P. W. Merrill. 393. 



[Interference measurements of wave- 

 lengths, and infra-red spectrum 

 photography. W. F. Meggers. 

 237. 



[Spectroscopic field light. F. E. 

 Fowle. 238. 



*Wave-length measurements in spec- 

 tra from 5900 A to 9600 A. W. F. 

 Meggers. 585. 



Technology. *Aneroid calorimeter for 

 specific and latent heats. N. S. 

 Osborne. 426. 



*Durability of stucco and plaster 

 construction. R. J. Wig, J. C. 

 Pearson, and W. E. Emley. 16. 



*Emulsification, resistance of an 

 oil to. W. H. Herschel. 137. 



[■Expansion, interferential method 

 for measuring. I. G. Priest and 



C. G. Peters. 475. 



*Gas density, effusion method of 

 determining. J. D. Edwards. 428. 



