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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,
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