TABLE OF CONTENTS. v ii 



ASTRONOMY Contin ued. 



Dr. Huggins's Observatory Page 83 



Cape of Good Hope Observatory 83 



Melbourne Observatory 83 



Other Observatories ob 1 Europe 83 



Observatory of the Academy of Sciences, Berlin 83 



University Observatory, Bonn 84 



Royal Observatory, Brussels 84 



Dlisseldorf Observatory : 85 



Gotha Observatory 85 



Private Observatory of Herr von Konkoly, O'Gyalla, near Kornorn. 85 



Hamburg Observatory 86 



University Observatory, Leipsic 86 



Private Observatory of Dr. Hugo Gericke, Leipsic 86 



University Observatory, Lund 86 



University Observatory, Milan 86 



University Observatory, Mannheim 87 



University Observatory, Moscow 87 



Astrophysikalisches Institut, Potsdam 88 



University Observatory, Stockholm 88 



University Observatory, Strasburg 88 



University Observatory, Warsaw 89 



Imperial Observatory, Vienna 89 



University Observatory, Zurich 89 



Addendum 89 



PHYSICS OF THE GLOBE. By Cleveland Abbe, with the assistance 



of Professor C. G. Rock wood, of Princeton, N. J 91 



The Earth : 



Internal Condition 91 



Underground Temperature 92 



Vulcanology 96 



Seismology 97 



Notable Earthquakes and Eruptions 102 



Terrestrial Magnetism 105 



The Ocean: 



Depth 112 



Density 114 



Currents 115 



Equality of the Surface Levels of the Atlantic and Pacific Oceans. . 117 



Tidal Currents in the Gulf of Maine 117 



Tides and Waves 118 



The Atmosphere: 



Institutions, Observers, General Treatises, etc 119 



General Treatises 134 



Apparatus and Methods 148 



1* 



