CYCLONES AND ANTICYCLONES. 
127 
Sometimes the cyclone lias a diameter of more 
than a thousand miles. The atmosphere moves 
around a central point, in the shape of an im¬ 
mense spiral growing wider toward the top. It is, 
in fact, a great eddy in the stream of the atmos- 
Fig. G3.— Winds flowing in toward the “ low ” or cyclonic center with a “ high ” 
or anticyclonic region at the left. (From the Popular Science Monthly for 
July, 1898.) 
