The Currents of the Atlantic Ocean. We read and we see it everywhere repeated that the climate of Norway which is mild as compared with that of the American coast in the same latitude is due to the influence of the Gulf Stream. This is the common opinion shared in by a large number of compe tent persons in France and elsewhere. The public in it.turn goes still further and attributes the mildness of the temperature on certain portions of the French coast to the same cause that is to say the warm cur rents of the sea. It is nowadays generally agreed that the Gulf Stream is soon lost on the surface of the Atlantic and an endeavor has been made to refer the heat ing action which it thus could no longer possess to another current that forms a sort of continuation of it and which after all is nothing more than a slow movement of the surface waters of the ocean from the east toward the west. Hence the question of heating through a slowly moving mass of water be comes very problematical and there is now an opinion forming which would attribute the calorific influences formerly ascribed to the Gulf Stream to an atmo spheric circulation and not to an oceanic one. The circulation of the ocean nevertheless presents considerable interest and the reason that the ques tion has not been more fully studied is because such researches require large pecuniary sacrifices on ac count of the vast field to be covered. A contribution to our knowledge of this subject however has recently been made by Professor G. Pouchet wh through the liberality of the city of Paris and the co-operation of Prince Albert of Monaco was last year enabled to undertake some experiments. Prince Albert's sail yacht the Hirondelle which had been placed at Professor Pouchet's disposal was fit ting out at Lorient and it became necessary to make haste and in a manner improvise the apparatus to be used. The following three forms of floats were de cided upon: 1. Ten copper spheres one foot in diameter formed of two hemi
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