710 



INDEX 



Smilax, migrations into North Amer- 

 ica. J. B. Norton. 281. 

 Phytopathology. fCrown gall in 

 plants, resemblance to human 

 cancer. E. F. Smith. 516. 



fPathological inspection work of 

 the Federal Horticultural Board. 

 G. R. Lyman. 158. 



fWhite pine blister rust. P. Spauld- 

 ing. 102. 



References. 248, 457. 

 Plant Physiology. Field auxanometer. 

 G. N. Collins and J. H. Kemp- 

 ton. 204. 



fRespiration in plants. C. O. Ap- 

 pleman. 101. 



References. 249, 458. 

 Radiotelegraphy. The audion, quan- 

 titative experiments with. L. W. 

 Austin. 81. 



*Effect of imperfect dielectrics in the 

 field of a radiotelegraphic antenna. 

 J. M. Miller. 359. 

 Soils. References. 246. 

 Spectroscopy. fLinear interpolation of 

 wave-lengths in spectrograms. H. 

 E. Merwin. 128. 



fSpectrograph for photographing 

 Etalon rings. E. D. Tillyer. 

 128. 



*Wave lengths in the iron spectrum 

 (3233A-6750A), interference meas- 

 urements of. K. Burns, W. F. 

 Meggers, and P. W. Merrill. 399. 

 Taxonomy. Determining types of gen- 

 era. O. F. Cook. 137. 

 Technology. *Automobile cylinder 

 oils, oxidation of. C. E. Waters. 

 507. 



*Barium carbonate and barium sul- 

 phate in vulcanized rubber goods. 

 J. B. Tuttle. 91. 



*Carbon in steels and irons, deter- 

 mination of. J. R. Cain and H. 

 E. Cleaves. 225. 



*Density and thermal expansion of 

 American petroleum oils. H. W. 

 Bearce and E. L. Peffer. 664. 



*European plastic fire clays. A. V. 



Bleininger and H. G. Schurecht. 



506. 

 *Gum arabic. C. E. Waters and J. 



B. Tuttle. 91. 

 investigation of cartridge enclosed 



fuses. E. B. Rosa, H. B. Brooks, 



B. McCullom, W. J. Canada, and 



F. W. Gladding. 632. 

 fRadium. C. L. Parsons. 306. 

 *Steel, mechanical and magnetic 



properties. C. W. Burrows. 568. 

 References. 98, 463. 



See also: Ceramics; Chemistry; Met- 

 allography. 

 Terrestrial Magnetism. fEarth's mag- 

 netic field, origin of. L. A. 

 Bauer. 635. 



fEarth's magnetic field and solar 

 radiation, corresponding changes 

 in. L. A. Bauer. 153. 



*Magnetic observations during the 

 solar eclipse of August 21, 1914. 

 L. A. Bauer and H. W. Fisk. 661. 



fMagnetic work of the U. S. Coast 

 and Geodetic Survey. D. L. Haz- 

 ard. 76. 



*Researches of the department of 

 terrestrial magnetism (vol. II); 

 Land magnetic observations, 1911- 



1913, and reports on special re- 

 searches. L. A. Bauer and J. A. 

 Fleming. 49. 



- *Solar radiation and terrestrial mag- 

 netism. L. A. Bauer. 397. 



fSolar radiation, terrestrial magnet- 

 ism and astronomy, corresponding 

 changes in. L. A. Bauer. 155. 



*U. S. Coast and Geodetic Survey 

 Magnetic Observatory near Tuc- 

 son, Arizona, observations, 1913 

 and 1914. D. L. Hazard. 397. 



*U. S. Coast and Geodetic Survey 

 Magnetic Observatory at Chelten- 

 ham, Md., observations, 1913 and 



1914. D. L. Hazard. 71. 



