Our thanks are due to Lieut. Shackleton, R.N.R., of the Discovery, for the use of the original drawing facing page 344, and also for permission to use the Illustrations facing pages 310, 340, 348. To Messrs. Alston Rivers, Limited, for permission to use the Illustration facing page 320 from Dr. H. R. Mill's "Siege of the South Pole." To Messrs. Hutchinson and Co., for the use of Illustrations facing pages 28 and 272, and Frontispiece, from "The Voyage of the Polar Star," by the Duke of the Abruzzi. To Messrs. Geo. Newnes, Limited, for the Illustration facing page 305 from "First on the Antarctic Continent," by C. E. Borchgrevinck. To Messrs. Longmans, Green & Co., for permission to reproduce the Illustration facing page 256 from "New Land," by Otto Sverdrup.