Origin local. 



Origin local. 



46 



H. April 17. 



15. April 17. 



16. April 20. 



By the method of circles an origin is arrived at in 160 E. Long, and 65 S. Lat. 



17. April 21. 



From the values C - M, and from those of M, an origin is indicated in district G, possibly in 70 K. Long. 

 and 40 S. Lat. The area disturbed is H hemisphere embracing Europe, Asia, Africa, and Australia. 



