It was indeed a great undertaking. None but a man of a gigantic mind, of steady purpose and firm resolution, could have conceived, planned and executed it. It all along bears the marks of so much labor and expense, that a common mind would have been deterred from making the attempt. The canal passes over an extent of country much more rough, broken and hilly than I had supposed. Long levels of canal are found to be sure; but they are made at great expense, by filling up deep gullies, winding round the side of hills, or deep cuts through them; and by walling up the side of streams, or aqueducts over them.

Every few miles, the canal passes through a village. Many of these have sprung into existence, since the completion of the canal; and others have much increased in size, wealth and beauty. They are all ornamented with grog-shops, containing, among other miscellaneous matter, an abundant supply of "boat-stores."

New-York has a great variety of romantic scenery. It has more beautiful and stupendous water-falls than any other State in the Union; and the lover of nature's choicest works might very pleasantly spend months in viewing them. Trenton Falls, on the West Canada Creek, a large stream that empties into the Mohawk, are situated about twenty-four miles above its mouth. They consist of several chutes for the distance of two miles, commencing near Black river road, and terminating at Conrad's mills. The upper fall is about twenty feet; and the descent above, for two miles, is not less than sixty feet. The water, here compressed into a narrow space, is received into a large basin, rolls down a precipitous ravine a hundred feet in depth, and presents to the eye the most romantic peculiarities.—Some of the topmost crags overhanging the stream; and here and there, a hardy tree, having gained a foot-hold in the crevices of the rock, throws its branches athwart the abyss. There are six distinct falls. The next below, are two pitches, called the Cascades; where the water falls eighteen feet—the Mill Dam Fall, of thirteen feet.

The High Falls, consisting of three pitches—one of forty-eight, the second of eleven, and the third, of thirty-seven feet—Sherman's Falls, of thirty-five feet. The last fall is at Conrad's mills, and is only six feet; but the descent of water, from the top of the upper fall to the lower one, is three hundred and eighty-seven feet—and the whole forms as wild and romantic a scene as the enthusiastic lover of nature's most eccentric works could desire. Organic remains have been found in the ravine in abundance, and Mr. Sherman has a cabinet of them, which are exhibited to the curious.

Ithaca Falls are situated at the head of Cayuga Lake. The high fall of Fall river is the first that strikes the eye, in going from the steamboat landing to the village, and is one hundred and sixteen feet in height. Two immense piles of rocks enclose the stream. On the right hand high up the bluff, a mill-race is seen winding around a point in the bank, suspended in mid air; and sometimes an adventurous visitor, may be seen cautiously wending his way along the dizzy path on the verge of the abyss. The mill-race was built, by letting a man down over the giddy steep by a rope fastened to a tree above, who dug holes in the bluff, in which to fasten its principal supports. A short distance from this, up the rocky bed of the creek, is another splendid fall—not so high as the first, but more wild and beautiful. Above these, are three more falls, the upper one of which is the highest fall of water of any, and is the most grand and imposing. These four falls have a descent of four hundred and thirty-eight feet in the short distance of a mile, and present to the eye as great a variety of the romantic and beautiful in nature, as earth affords.

There are Cascadilla, Six Mile Creek, Buttermilk Creek, &c. &c. many romantic scenes and splendid falls; but it would interfere with the design of this work to stop to describe them. I cannot, however, leave the high falls on Taghcanic Creek without a passing notice. They are eight miles from Ithaca, near a landing place called Goodwin's point; and are two hundred and thirty-eight feet perpendicular! Who shall attempt to describe such a magnificent exhibition as this; or the effect it produces on the mind! This is said to be the favorite resort of parties of pleasure and lovers of the picturesque. And who, but the real invalid, would ignobly spend his time at Saratoga, when scenes like these await him in the interior of New-York.

After passing many fine villages, we at last arrived at the city of Rochester. It is indeed, a large and flourishing city. It is situated on both sides of the Genesee river, is well built, mostly of brick, and contains over thirteen thousand inhabitants. Near the upper part of the city, the canal crosses the river, by a splendid aqueduct of red free-stone, eight hundred and four feet in length, having eleven arches, and elevated fourteen feet above the common level of the water. While the boat stopped, I went down the river to see the great falls. They are about eighty rods below where the canal crosses, and are ninety-seven feet perpendicular. Here Sam Patch made his last leap in the autumn of 1829. In the centre of the river, and at the verge of the precipice over which the water falls, is a ledge of rocks, called Table Rock, about six or seven feet in height above the water. On this Table Rock, a scaffold was erected, about twenty-five feet high, so that from the top of the scaffold to the bottom of the falls, the perpendicular height was one hundred and twenty-five feet. From this giddy height, Sam Patch made his "last jump," in the presence of a vast multitude of people, who had assembled to witness this daring feat, and, as it proved, fatal leap. Sam never rose from the boiling flood below; but his body was carried by the current to the mouth of the river at the lake, and was there found, the next spring. Who will be the biographer of Sam Patch? What a pity it is some phrenologist had not examined his head. He must have had a tremendous jumping bump. For myself, I could not stand on the dizzy brink of the river, and look down into the awful chasm below, with any tolerable degree of composure. These things, however, much depend upon practice. A sailor would have thought nothing of standing on the most projecting rock; or of walking along the highest precipice.

In 1811, the site of Rochester was a wilderness; now it is a large city. Its great staple of trade is flour. It contains eleven flouring mills with fifty-three run of stones; and can grind twelve thousand bushels of wheat in twenty-four hours.

After travelling from this place sixty-three miles, we found ourselves at Lockport, on the mountain ridge. At this place, the canal has a double row of locks adjacent to each other; five for ascending, and five for descending; each twelve feet deep, making the ascent sixty feet. This is the most admirable work of the whole canal. Between the two rows of locks, are stone steps, guarded on each side by iron railings. In 1821, there were here but two houses; now, it contains four hundred, and is a pleasant village.