Canal Navigation. - The navigation of the Erie Canal commenced last Monday, and the various lines of freight and packet boats, (having undergone great repairs and amendments since last season,) are now all or nearly all in motion - and a new aspect is given to business of all kinds.
The packet boats have been fitted up in a runner worthy of remark, and the proprietors are determined to stern the effect intended to be produced by the sudden and extravagant increase of toll. Great improvements are yearly made by the inventive genius of New-Yorkers upon canal boats. The necessity which heretofore seemed to exist in warm weather, for passengers to resort to the upper deck, to regale themselves with the occasional fresh breezes, at the same tome exposing themselves to the scorching rays of the sun, and to the frequent bridges, in wholly superseded to the packet boats by the enlargement of the windows, and by the construction of folding doors, by means of which a free circulation of doors, by means of which a free circulation of air is admitted into the cabins.
Numerous other improvements have been made the present season - and upon the whole, we shall not be disappointed if the proprietors should realize a handsome profit, even at a toll of twenty cents per mile!