THE DISTRIBUTION OF METEORITES. 



353 



1113 and down the great western mountain range. It is possible that 

 investigation will show that greater gravitational force is exerted at 

 these points, and that thus the number of meteorites drawn in is there 



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increased, or, again, mountains may present actual mechanical obstacles 

 which stop and accumulate meteorites. Whether either of these hy- 

 potheses has any foundation in fact, however, is not known as yet. 

 There are again remarkable differences in the kinds of meteorites 



VOL. LXIV. — 23. 



