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THE ESSEX NATURALIST. 
I enquired of the Secretary of the Royal Meteorological 
Society as to the possibility of pine pollen being carried to great 
distances ; and also as to the probable direction of prevailing winds 
in prehistoric times. I have to thank the Assistant Secretary, 
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Mr. A. Hampton Brown, who kindly referred my communication 
to Mr. C. E. P. Brooks, M.Sc., who says : “ There is no reason 
why pollen grains should not be carried hundreds of miles by 
winds of very moderate strength." Mr. Brooks continues : “ The 
