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Rh of Upolu, and there are several currents which add their force to make a passage difficult. Sailing-vessels are often five or six days making this trip, which can be covered in a few hours by steam.

Our young friends thought they had never seen anywhere a more beautiful harbor than this; Frank sat down to describe it, and after writing a few lines said he would abandon the attempt, and fall back upon the account of Admiral Wilkes, who visited it in 1839. Accordingly he copied the following from the history of the famous expedition:

"The harbor of Pango-Pango is one of the most singular in all the Polynesian isles. It is the last point at which one would look for a shelter; the coast near it is peculiarly rugged, and has no appearance of indentations, and the entrance being narrow, is not easily observed. Its shape has been compared to a variety of articles; that which it most nearly resembles is a retort. It is surrounded on all sides by inaccessible mural precipices, from eight hundred to one thousand feet in height. The lower part of these rocks is bare, but they are clothed above with luxuriant vegetation. So impassable did the rocky barrier appear in all but two places, that the harbor was likened to the valley of 'Rasselas' changed to a lake. The harbor is of easy access, and its entrance, which is about a third of a mile in width, is marked by the Tower Rock and the Devil's Point."

"He might have added," said Frank, "that there is a coral reef on each side of the entrance, with the surf breaking heavily over it, or at any rate it was doing so at the time we entered. Pango-Pango is a splendid harbor, and could hold a great many ships. Its principal disadvantage is that the prevailing trade-wind blows directly into it, so that while a sailing-ship can get in without much trouble she has a hard time to get out unless she has a steam tow-boat to help her."