‘pete . evidence” that on some occasions a large amount of debris initially ~ in the upper levels, could be carried into the southern hemisphere. This situation is not believed common, however. *as an example, see figures 2 through 7 of High Tropospheric Westerlies of the Equatori2! West Pacific Ocean, by Ibert, Jl. of Met., Vol. 6, No. 3, dune 19)9. - hi --