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to that of the Mediterranean (say 30 feet) is sufficient to keep the artificial channel clean, if the fall be properly economized; and also that it would be able to preserve its mouth in the Bay of Pelusium in a navigable state at all seasons.

4>th. That a navigation of still water with locks could not be long maintained with advantage, under all the cir­cumstances of the case.

5 th. That a broad and deep stream like that of the Dardanelles could not be produced by natural operations, assisted slightly by art; hut that the attempt would be pregnant with mischief in some quarters, and result in disappointment.

6th. That a direct and perfectly controllable channel, of a uniform size and shape and incline, would he the safest and most appropriate undertaking of which the circum­stances permit, and under the imperfect information we possess.

It must, however, be confessed, that no definitive opinion can be given, or very satisfactory estimates as­sumed, until a new and detailed survey, having the express objects in view, is completed, comprehending the neces­sary levellings and borings and maritime surveys of the ports at the termini of the canal.

With respect to the land survey, were all the necessary persons and means duly prepared to commence operations in the beginning of October, it is probable the investiga­tion might be completed in the beginning of the following May, and a true solution given to this great geographical, commercial, and engineering question.

As mankind multiply and make progress in arts and civilization, new wants arise, and the ingenuity and in­dustry of man is taxed to discover new sources of wealth,