Table of Contents xvn 



Page 



Water Forms 850 



The Weather 857 



Experiments to Show Air Pressure 877 



The Barometer 878 



How to read Weather Maps 879 



The Story of the Stars 887 



How to Begin Star Study 889 



Cassiopeia's Chair, Cepheus and the Dragon 893 



The Winter Stars 895 



Orion 895 



Aldebaran and the Pleiades 897 



The Two Dog-Stars, Sirius and Procyon 898 



Capella and the Heavenly Twins 900 



The Stars of Summer 901 



The Sun 905 



The Relation between the Tropic of Cancer and the Planting of the Garden 909 



The Zodiac and its Signs 911 



The Relations of the Sun to the Earth 913 



How to Make a Sun-dial 915 



The Moon * . . 918 



