v i TABLE OF CONTENTS. 



PHYSICS OF THE GLOBE. By Cleveland Abbe, of the Weather Bu- 

 reau, Washington Page 53 



I'm: K \i:i 11 : 



Internal Condition 53 



Internal Temperature 53 



Volcanoes 53 



Earthquakes 54 



Terrestrial Magnetism 54 



Earl h Currents 55 



Tin. < >< i an : 



I tensity, etc 56 



Tides 50 



Waves 56 



The Atmosphere: 



Introductory 57 



Institutions and Persons 57 



Instruments and Methods 66 



Temperature and Diathermancy 70 



Winds and Currents 71 



Pressure and Isobars 76 



Precipitation, Clouds, etc 77 



Storms 80 



Optical Phenomena 83 



Electrical Phenomena 84 



Relations with Sun-spots 84 



Relations with Meteors 85 



Climatology 85 



Hypsometry , 87 



Agriculture and Forestry 88 



Climate and Hygiene 88 



Climate and Geology. . . , 89 



PHYSK S. By George F. P>arker, Professor of Physics in the University 



of Pennsylvania, Philadelphia 91 



Generai 01 



Mechanics 92 



1. Of Solids 02 



2. ( )f Liquids 04 



::. < i' Gases 06 



ACOI 9TI< - 09 



Hi \t : 



1. Thermometry 102 



2. Expansion 103 



3. < lhange of State 104 



l. Radiation 107 



