INDEX FOR THE ATMOSPHERIC-ELECTRIC REPORT. 



[The page-references in heavy t.\-pe refer to pages on which numerical results of atmospheric-electric observations are given.] 



Aibling (Bavaria), 408, 409 



Air-Earth Current-Density, for Carnegie's Cruise III, 373- 

 374; for Carnegie's Cruise IV, 377, 403-407, 411. 412; 

 diurnal variation of, 407, 408; annual variation of, 374, 

 420, 421 ; collection of miscellaneous values, 409 

 Alaska, 364 



Altjoch am Kochelsee (upper Bavaria), 413 

 Amazon, 408, 409 

 Angenheister, G., 410 

 Annual variation, 420, 421 

 Ansel, 409 

 Argentina, 409 



Atlantic Ocean, observations over, 366-375, 403, 406, 407, 

 410-413; effect of radioactive content in air over, 415, 

 416; diurnal variations over, 420 

 Atmospheric-Electricity, subjects, 362; quantities measured 

 on Galilee's Cruise III, 364; on Carnegie's Cruise I, 366; 

 on Carnegie's Cruise II, 369; on Carnegie's Cruise III, 

 372; on Carnegie's Cruise IV, 377 

 Ault, J. P., 361, 372, 376 

 Batavia, 410 



Bauer, L. A., 361, see Director 

 Bemdt, 408-410, 420 

 Bezold, von, 363 

 Boltzmann, 410 

 Burbank, 365 



CaUbration of instruments, 382-384, 388, 392 

 Caribbean Sea, 407 

 Carinthia, 409 

 Carnegie, courses of. Cruise I, 366; Cruise II, 369, 370; 



Cruise III, 372, 373; Cruise IV, 376 

 Carse and McOwan, 409 

 Chree, 363 



Computations, specimens, 397-401 

 Conclusions, summar>' of. Cruise IV, Carnegie. 422 

 Conductivity, for Galilee's Cruise III, 365, 366 ; for Carnegie's 

 Cruise I, 367; for Carnegie's Cruise II, 370-372; for 

 Carnegie's Cruise III, 373, 374; for Carnegie's Cruise IV, 

 382-386, 403-^07, 411, 422; dependence of, upon radio- 

 active content, 415-416; effect of proximity of land on, 

 367, 371, 372, 375; diurnal variation of, 367, 407, 408; 

 annual variation of, 373, 374; specimen forms for record- 

 ing, 398, 401 ; collection of miscellaneous values, 409, 410 

 Cook Strait, New Zealand, 364 

 Czermak, 409 

 Danube River, 408 

 Daunderer, 408, 409 

 Davos, 408, 409 



Department of Terrestrial Magnetism, laboratory, 363; pi. 21 

 Dike, P. H., 361, 364, 367-369, 410 

 Director, 363, 369; see Bauer, L. A. 

 Diurnal Variation, 367, 416-420, 422 

 Dobson, 408, 412 

 Domo, 408, 409 

 Ebert, 363, 386, 408, 409 

 Edinburgh, 409 

 Einthoven, 378 



Electricity, terrestrial, 362; see Atmospheric Electricity 

 Electroscopes, types suitable for ocean work, 378, 379 

 Elster and Geit«l, 362-364, 368, 369, 373, 375, 390, 413 

 Emanation Content of Atmosphere, see Radioactive Content 



of Atmosphere 

 Erikson, 418 

 Eskdalemuir, 408 

 Eve, 369, 410, 413, 415 

 Falmouth, 367 

 Fleming, J. A., 363 

 Freiburg (Switzeriand), 408, 409, 413, 419 



446 



Fourier Analysis, for potential-gradient and ionic content, 



418, 422 

 Galilee, course of, 364 

 Gardiners Bay, 372 

 Geitel, see Elster and Geitel 

 Gerdien, 365, 373, .384, 409 

 Gmunden (upper Austria). 409 

 Gockel, A., 408, 409, 413, 419 

 Gottingen, 409 

 Graetz, L., 408 

 Griinau (upper Austria), 409 

 Hamilton Harbor, 367, 368 

 Hess, 408 



Hewlett, C. W.. 361, 369, 371, 390, 410, 413, 416 

 Hochtal Arosa (Switzerland), 413 

 Iceland, 409 



Indian Ocean, observations over, 369, 370, 371, 410, 412, 417 

 Innsbruck, 409 



Instruments for Atmospheric-Electric Work, potential-gradi- 

 ent, 364, 369, 372, 380, 381; conductivity, 365, 367, 369, 

 373, 3S2-3S6; ionic content, 373, 386-389; penetrating 

 radiation, 3S9; radioactive content of the atmosphere, 

 .364. 368. 369, 373, 390-393; types of electroscope used, 

 378, 379; observing house, 379, pi. 22; arrangement of 

 instruments, pi. 22 

 Introduction, 361-363 



Ionic content, for Carnegie's Cruise 111,373,374,375; for Cor- 

 negie's Cruise IV, 386-389, 403-407, 411, 422; causes of 

 over ocean, 414-416; part played by large ions, 415; 

 diurnal variation of, 407, 416-420, 422; annual varia- 

 tion of, 420, 421 ; specimen forms for recording, 398, 401 ; 

 collection of miscellaneous values of, 408, 410; instru- 

 ments, pi. 22 

 Ions, velocities of, see Specific Ionic Velocity 

 Jachenau (upper Bavaria), 408 



Johnston, H. F., 361, 369, 371, 372, 377, 410, 411, 413, 416 

 Jones. B., 361, 377 

 Kahler, 409 



Kalocza (Hungary), 408 

 Karasjok (Lapland), 408, 410, 413, 419 

 Kelvin, 392 



Kew, 408, 410, 412, 418 

 Kidson, E., 361, 366, 369, 371. 375, 410 

 Knoche, W., 369, 410, 412, 413 

 Kohlrausch, 374, 408-^10, 414, 416 

 Kotterman, C. A.. 363 

 Kremsmttnster, 410, 418 

 Kurz, K., 366, 374, 416 

 Laboratory, at Washington, 363; pi. 21 



Langevin Ions, effect on conductivity, 375; effect on specific 

 velocity measurements, 412; relative importance on 

 land and sea, 415 

 Linke, F., 413 



Long Island Sound, 367, 373, 374, 375 

 LadeUng, 408 

 Luke, I. A., 361, 377 

 Lutz, 369, 409 

 McOwan, 409 

 Mache, 409 

 Madeira, 367 

 Mascart, E., 363 

 Mattsee (Salzburg), 408, 409 

 Mauchly, S. J., 361, 363, 377, 392 

 Mediterranean, 410 



Meteorological Elements, measurement of, 397 ; influence of 

 on atmospheric-electric data, 370, 371, 374; specimen 

 form for recording, 401; complete data for Carnegi^.'s 

 Cruise IV, 403-405 



