On the Fourth of July, 1879, after a long and tedious journey over territory never before crossed by man, I stood with Lieutenant Schwatka on Cape Felix, the most northern point of King William’s Land.

Looking in the direction of the Isthmus of Boothia, not more than twenty miles to the eastward, across the frozen surface of McClintock Channel, we could see the snow-covered hills of Cape Adelaide, radiant with all the tints of the rainbow, in the light of the midnight sun. It was there that, nearly half a century before, Sir James Ross had located the North Magnetic Pole. The place is invested with deep interest to all explorers, but, with us, the pleasure was mitigated by the knowledge that we were entirely devoid of instruments with which to improve the opportunity of either verifying the work already done or continuing it upon the same line of research.

Ever since that time I have been strongly imbued with the desire to return to that field of labor with a party of observers properly equipped to make an exhaustive search through that storehouse of hidden knowledge.

About three years ago I brought the subject uppermost in my mind to the attention of Professor T. C. Mendenhall, Superintendent of the United States Coast and Geodetic Survey, in Washington, and to that of his assistant, Professor Charles A. Schott, in charge of the computing division of that bureau. From the first both of these gentlemen have been strong advocates of such an expedition.

COLONEL W. H. GILDER.

“The importance of a redetermination of the geographical position of the North Magnetic Pole,” said Professor Mendenhall, in a letter to the Secretary of the Treasury written at that time, “has long been recognized by all interested in the theory of the earth’s magnetism or its application. The point as determined by Ross in the early part of this century was not located with that degree of accuracy which modern science demands and permits, and, besides, it is altogether likely that its position is not a fixed one. Our knowledge of the secular variation of the magnetic needle would be greatly increased by better information concerning this Magnetic Pole, and, in my judgment, it would be the duty of the Government to offer all possible encouragement to any suitably organized exploring expedition which might undertake to seek for this information.”

Acting upon a further recommendation 160 in this letter, the Secretary of the Treasury requested the President of the National Academy of Sciences to appoint a committee of its members, or others familiar with the difficult problems involved, “to formulate a plan or scheme for carrying out a systematic search for the North Magnetic Pole, and kindred work,” and such a committee was subsequently appointed, with Professor S. P. Langley, Secretary of the Smithsonian Institution, as chairman.