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I already mentioned that Bata\ia and Ruitenzorg are different in 

 this re8|)ect and no\V I discovered that Greenwich and Paris (Pare 

 St. Maur) show regularly an 0[)posite movement. Out of tlie repro- 

 ductions of diagrams of disturbances published for several years 

 I made the following list. 



St. Maur and Greenwich. 



') During a disturbance. 



