Mat 29, 1914] 



SCIENCE 



191 



"Some Investigations of Lightning Protection 

 for Buildings," by DeBlois. 



' ' A Milli-Ampere Current Transformer, ' ' by 

 Edw. Bennett. 



' ' Some Simple Examples of Transmission Line 

 Surges," by W. S. Franklin. (By title.) 



' ' Theory of the Corona, ' ' by Bergen Davis. 



' ' High Temperature Measurements with the 

 Stefan-Boltzniann Law," by C. E. Mendenhall and 

 W. E. Forsythe. 



' ' Cold-end Compensator for Thermocouples, ' ' by 

 Charles B. Thwing. (Apparatus shown.) 



' ' The Emissivity of Metals and Oxides. I. ; 

 Nickel Oxide (NiO) in the Eange 600° to 1,300° 

 C, " by G-. K. Burgess and P. D. Foote. 



"Formulse for the Ordinary Mercury Contact 

 Thermostat, and Some Practical Conclusions De- 

 duced from Them," by W. P. White. (By title.) 



' ' The Specific Heats of Mixtures of Water and 

 Alcohol, and of Solutions of Non-Electrolytes in 

 these Mixtures, ' ' by W. F. Magie. 



' ' The Extension of the Spectrum in the Extreme 

 Ultra -Violet, ' ' by Theodore Lyman. 



"The Infra-red Are Spectrum of Barium," by 

 H. M. Randall. 



"On the Growth and Decay of Color Sensation," 

 by M. Luckiesh. 



"Some Effects of Diffraction on Brightness 

 Measurements made with the Holborn-Kurlbaum 

 Optical Pyrometer," by A. G. Worthing and W. E. 

 Porsythe. 



"Further Experiments on the Use of the Photo- 

 electric Cell in Stellar Photometry, ' ' by Jakob 

 Kunz, J. Stebbins and W. F. Sehulz. 



"Displacement of Arc Lines not Due to Pres- 

 sure," by Chas. E. St. John and H. D. Babeoek. 



"On the Accuracy of Terrestrial-magnetic 

 Measurements," by L. A. Bauer. 



' ' The Gamma-ray Comparison of Specimens of 

 Eadium Salts," by N. Ernest Dorsey. 



"Note on the Photo-eleetrie Effect with Po- 

 tassium Surfaces in Very High Vacuum," by Saul 

 Dustman. 



' ' The Eesults of the Atmospheric Electric Obser- 

 vations on the Second Cruise of the Carnegie, 

 June, 1910, to December, 1913," by C. W. Hew- 

 lett. 



"Apparatus for the Spectroscopic Synthesis of 

 Color." by H. E. Ives and E. J. Brady. 



' ' New Methods for Measuring Time Constants 

 of Low Resistances, ' ' by Frank Wenner, Ernest 

 Weibel and P. B. Silsbee. 



"A Sensitive Moving Coil Galvanometer," by 

 F. Wenner, E. Weibel and F. C. Weaver. 



"Some Records of the Wireless Time Signals 

 Made with a Physiological Recorder, " by C. W. 

 Waggoner. 



"Electric Conduction and Thermo-electric Ac- 

 tion in Metals," by E. H. Hall. 



"Electrochemical Indicators and Recorders. 

 Instruments for Showing Continuously the Chem- 

 ical Content of Solutions," by F. A. Harvey. 



' ' Characteristic Curves of Tungsten Filament 

 Incandescent Lamps and their Application in 

 Heterochromatio Precision Photometry, " by G. W. 

 Middlekauff and J. F. Skogland. 



' ' The Thomson E.M.F. in and the Thermal Con- 

 ductivity of Tungsten at Incandescent Tempera- 

 tures, " by A. G. Worthing. 



"A Direct Determination of li," by R. A. 

 Millikan. 



' ' Some Peculiarities in the Thermal Expansion 

 of Invar," by Arthur W. Gray. 



' ' A New Turbidimeter, " by P. V. Wells. 



"The Diurnal System of Convection," by Wm. 

 H. Blair. 



' ' The Control of the Wave-length Sensibility 

 Curves for Selenium," by E. O. Dieterich. 



"On the Relation between the Photo-electric 

 Potential and the Frequency of Light for Potas- 

 sium, "by S. Karrer. 



"Reflection and Scattering of Slow-moving 

 Electrons, ' ' by Albert W. Hull. 



"Reversible Transitions between Solids at High 

 Pressures, " by P. W. Bridgman. 



' ' Surface Leakage over Insulators, " by H. L. 

 Curtis. 



' ' Spark Potentials in a Magnetic Field, " by R. 

 F. Earhart. (By title.) 



"Some Points with Regard to the Variation of 

 the Specific Magnetization of a Substance with 

 Temperature, ' ' by W. F. G. Swann. 



' ' High Frequency Verification of Kirchoff 's Ca- 

 pacity Formulas, " by F. C. Blake and Chas. Sheard. 

 (By title.) 



"Corona Produced by Continuous Potentials," 

 by S. P. Farwell. 



"A Significant Instance of Galvanometer Insta- 

 bility, " by W. P. White. 



' ' Wave-length Sensibility Curves of Potassium 

 Photo -electric Cells," by H. E. Ives. 



' ' An Electromagnetic Puzzle, " by F. J. Rogers. 



"The Photo-electric Effect of Carbon as Influ- 

 enced by its Absorbed Gases, ' ' by Otto Stuhlmann, 

 Jr., and R. J. Piersol. 



' ' The Relation of Residual Gases to the Photo- 

 electric Sensitiveness and the Contact E.M.F. of 

 Sodium," by R. A. Millikan and W. H. Sender. 



