426 SCIENTIFIC RECORD FOR 1884. 



No. of paragraph. 

 Neumayer, Dr. George: 



Daily weather charts 22 



Data relative to sunsets 388 



Nordenskiokl, A. E. , exploration of Greenland 42 



Norway, climate of 76 



Oherbeck, Prof. A. , mathematical theory of winds 2G1 



01>ir, summit of wind force and direction 241 



Observatory, meteorological : 



Falmouth 50 



Magdeburg 18 



Ocean curreuts affecting climate 440 



Ocean, physics of, Buchanan, J. Y 12 



Opi)olzer, T. von, refraction, atmospheric 368 



Optics, Hamilton's general method 369 



Osborne, J. R., subjective climate 78 



Overzier, Dr B., verification of long-range predictions 102 



Palmieri, Prof. L. : 



Atmospheric electricity 336 



Origin of atmospheric electricity 336 



Partsch, Prof. J., climate of Greece 80 



Paul, Prof. H. M., barometric waves 3 



Thermometer exposure 3 



Paulsen, A., aurora observed at Godthaab 359 



Pearson, A. M., barometric waves move eastward 267,208 



Penck, snow line as index of climate 441 



Penhallow, Prof. P. P., meteorologist at Houghton farm 45 



Periodicity iu meteorology ,., 408-417 



Pernter, Prof. J. M. : 



Climate of the Obir 55 



Diathermancy of aqueous vapor 168 



Total sunshine 234 



Winds of the Obir 241 



Diurnal wind period 241 



Barometric variations at high and low stations 275 



Petterssou, Dr. O. : 



Improved calorimeter 116 



Atlantic Ocean, physics of 172 



Phsenological: 



Constants 13 



Results 421-428. 



Phiuuey, A. J., the Oakvillc tornadoes 3 



Pizzighelli, G., photography and actinometry 372 



Polar Conference, International 30 



Popular weather sayings 97 



Predictions of: 



Tornadoes 3 



Long range 327, 328 



By spectroscopic rain-band 376, 377 



Of tornados 3 



Prestel, principal centers of action 323 



Pschrewalski, climate of Thibet 79 



Psychrometer, imi)rovement in 121, 122 



Pyrheliometry. {See Actinometry.) 



Ragona, Professor, evaporation, observations cf 199 



