In discussing this journey, Greely expresses his belief in an open Polar Sea which could only be entered by a ship in extremely favourable years by the Spitzbergen route. The huge floebergs of the north are given off by glacial lands in the vicinity of the North Pole, according to Greely’s view. The discoveries of Nansen prove the non-existence of an open Polar Sea, and Peary claims to have discovered that the source of the floebergs is in the glaciers of the extreme north of Greenland. On the 25th of April, Lockwood with Brainard and Christiansen left Conger to attempt to cross Grinnell Land to the western ocean. They had a team of the best ten dogs, and provisions to last thirty-one days. A supporting sledge was to accompany them for two marches. Lockwood’s fourth camp was situated about 67 miles from Conger. Lieutenant Archer in 1876, with an eight-man sledge, took fourteen days to do the same distance. This illustrates the great difference between sledging with dogs and with men. From Archer Fiord, Lockwood passed along the Ella Valley to the base of a glacier 150 feet above the sea. The glacier stretched from side to side of the valley, and was found impassable. Lockwood next decided to try the route _via_ Beatrix Bay. From the head of this bay they passed along a valley to its termination, and then had to turn off to the north up a steep rocky ravine. Here the large sledge had to be left, and a small one brought specially for land-travelling was afterwards used. From this camp they started for Musk-ox Valley on 8th May. The following day’s march carried them to the apparent end of the valley, and they then entered a cañon which seemed to end in a glacier 8 or 10 ten miles distant; but as no other route seemed possible it was followed. This cañon took them into a broad valley with a lake in its centre. The wall of a glacier apparently rose all along the south side of the valley, and the country behind seemed one continuous glacial surface. Travelling in a south-west direction, they found the ice-capped land presented to their view a vertical face of solid ice from 125 feet to 200 feet in height. This wall of ice ran across the country in such a manner that Lockwood named it “The Chinese Wall Glacier,” but later it was designated Mer de Glace Agassiz. The next march brought them to the watershed of Grinnell Land. They now descended a narrow gorge bounded on either side by towering mountains, and finally reached a narrow valley 1000 feet lower down. Passing along this valley, and still rapidly descending, they reached the head of a fiord where the water was salt. This was named “Greely Fiord.” Proceeding about 26 miles down the fiord, they reached their farthest on 13th May, and camped in a heavy snowstorm. By fasting nineteen hours, they were enabled to remain here until the storm abated. The return journey had to be made on short rations. This party travelled 437 miles during their month’s absence.