THOMPSON'S COAST PILOT, 18 miles. It has from 5 to 11 feet water upon it, and can be passed all round in from 21 to 40 feet water. The 'shoal off the NW end of St. Helena bears due west from the island 2 miles, and can be passed on either side in from 25 to 30 feet of water. This shoal has from 8 to 15 feet of water on it. Gray's Reefs bears from Point Waugoshance Lighthouse west 6 miles, There are 13 patches in all, only one of which has less than -- 16 feet water, and that one is near the centre. Eight of them are pretty close together and the rest scattered. Four of them bear south from Hat Island. Hog Island Reef bears from Hat Island ShyW2W 632 miles, and from Skillegolee WNW 8 miles, FROM BEAVER HARBOR TO THE "MANITOU PASSAGE, SIXTY-THREE AND A HALF MILES, AS FOLLOWS: ~ Stand out of the harbor SEbyE 2 miles; thence SZ g miles ; thence south 104 miles, so as to fall into the route from Waugo- shance; thence SW4S8 43 miles, to a point 6 miles east of the South Manitou Island Lighthouse. FROM BEAVER HARBOR TO GREEN BAY, BY ROCK ISLAND CHANNEL, EIGHTY-FOUR MILES, AS FOLLOWS : Stand out of the harbor SEbyE 2 miles; thence SLE 8 miles; then follow the island round at a distance of 1 mile from the lana no for 7 miles, until the Lighthouse (revolving light) at the south end of the island bears north; thence W3S 67 miles, to Rock Island Lighthouse. FROM WAUGOSHANCE LIGHTHOUSE TO THE LIGHTHOUSE (REVOLVING LIGHT ) ON THE SOUTH BLUFF OF BEAVER ISLAND, TWENTY-EIGHT : AND A QUARTER MILES, AS FOLLOWS: From Waugoshance Lighthouse SW2W 254 miles; thence along shore to the southward and westward 8 miles, ata distance of 1 mile from the land, until the Lighthouse bears north; thence to Green Bay, as above.