INDEX. 



363 



SEE 



Seebacli, on the determination of 

 origins, 211 



— on the focal cavity, 221 

 Seismic vertical, definition of, 9 

 Seismic and volcanic phenomena, 



relation of, 270 

 conclusions regarding, 275, 



295 

 Seibmology, definition of, 9 

 Seismometers, on various forms of, 



17-10 

 ^eismoscopes, on various forms of, 



18-20 

 Serpieri. P. A., on distribution of 



seismic movement, 231 

 Shadows, on carthqiiake, 137 

 Spring, on frequency of earth- 

 quakes during, 156 

 Stuckeley, on earthquake motion, 



42 



— earthquakes and aurora, 265 

 Succussatore, definition of, 10 

 Sun, on the effect of, on eaith- 



quakes, 253, 285 



TfiMPEJiATURE, effect of changes 

 of, on earthquakes, 268, 294 



Terremotto, definition of, 10 



Thomson, Sir W., on the rigidity 

 of the earth, 285 



Time, on recording apparatus for, 

 35 



Travagini, F., on earthquake mo- 

 tion, 42 



Trembelores, definition of, 10 



Tremors, on earth, 3, 306-325 



Understanding, effects of earth- 

 quakes on, 2 



ZOL 



Verbecic, on the ball and plate 

 seismometer of, 31 



Yibiation, on the nature of earth- 

 quake, 12 



Vorticose motion, on, 70 



— definition of, 10 



Wagenek, on the pendulum &eis- 

 mol er of, 25 



— vertica motion seismometer 

 of, 33 



— list of earthquakes, 76 

 Wave paths, definition of, 9 

 Waves, on the nature of earthquake, 



55 



— on the interference of, 138 

 Wells, on the effect of earthquakes 



on, 156 

 Wenthrop, on the New Zealand 



earthquake of 1855, 79 

 West, on the parallel motion s-eis- 



mometer of, 28 

 AV in slow, on pulsations of the 



ocean, 334 

 Wolf, R., on earthquakes and sun 



spots, 263 

 Woodward, on earthquake motion, 



42 



Young, Dr. T., on earthquake 

 motion, 43 



Zantedescht, M. F., on the in- 

 fluence of the sun and moon on 

 earthquakes, 285 



Zollner, on the bracket seismo- 

 meter of, 27 



— on earth tremors, 309 



