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SCOTT'S NEW COAST PILOT. Throughout this work all courses and bearings have been corrected for mag- netic variation. The distances are expressed in statute miles. si. LAWRENCE RIVER. West or Mazn Channel tnto Ogdensburgh River. Sailing Directions.--A straight course may be steered from buoy to buoy, on either side. Thered buoys should be kept well aboard, as the current sets directly across the channel at the rate of about 14 miles per hour. The outer edge of the shoal on lower side of channel lies parallel with the shore (N. EH. ¢ E.) for one-half mile, from the Og- densburg Shoal buoy, and then curves in to the outer end of the Central Vermont Railway and Steamer wharves, at the lower end of the city, which are built out to deep water. Between these wharves and to the mouth of the Oswegatchie river, and lying close to the shore, is a 7 to 9 foot natural channel, 300 yards wide at the entrance, and narrowing to 75 yards near the river mouth. Through this channel a "cut" has been made, 150 feet wide and 12 feet deep, in a straight line S. W. # W. from the outer end of the Central Vermont wharves to the upper end of Parish's lumber wharf, and thence along the ends of the wharves, to the harbor, in the mouth of the river. A bridge, crossing the river 435 yards above the inner buoy, is the terminus of the harbor. Bottom of harbor and channel, soft; shoals, stony or rocky. The current of Oswegatchie river is about 1 mile per hour. OGDENSBURGH LIGHT-STATION.--A fixed white light, 4th order, visible 12? miles. Gray, square, limestone tower, 40 feet high, with dwelling attached, lantern black. On a low rocky islet, 200 feet above the channel, and 100 yards from the shore, with which it 1s connected by a side track of the R., W. & O. R. R, extending beyond the station to the 12-foot curve, from whence its cars are ferried across the river. Flats extend beyond the light-house at this point nearly half _ way across the St. Lawrence, and vessels bound up or down should keep over toward the Canadian shore. The dredged channel into Ogdensburgh , harbor passes the light-house islet, on its lower side, at a distance of 67 yards. Ogdensburgh Shoal, Outer Buoy, No. 1.--Black spar buoy, in 80 feet of water, lower side of entrance to channel, and marks the upper end and outer edge of the shoal on that side. The buoy stands in 12