John Septimus Roe

“ In steering for Rottnest Island and the southern passage from the westward, the shore should not be approached nearer than half a mile, and the bays on each side of the south point are foul and rocky. Porpoise Bay, on its NE side, is also fronted by a low rocky mass called Direction Islet, which lies 11⁄4 miles E 23d. N from the south point, and has deep water to within a cable's length of its SE side. The summit of Direction Islet in a line with a hill with some trees on its summit (Tree Hill) , about 1⁄2 a mile to the north of the south point, leads directly over Middle Bank ”

“ Kingston SpitKingston Spit, in front of Thompson's Bay, extends 2 miles east from Duck Rock, and a long mile NE by E from the beacon last mentioned, which has recently been placed upon Fisherman's Rock:Fisherman's Rock, a small mass of white rocks about 2 cables length NE from the sandy east point of Rottnest Island, distinguished by the name of Point Philip. To clear Kingston Spit on the north, keep Duck Rock a little shut in to the south of a bare pointed hill near the northern shore of Rottnest ”

“ This Sea-mark:sea-mark, being elevated about 157ft. above the level of the sea, may be seen from a ship's deck in clear weather at the distance of 7 or 8 leagues, and will shortly give place to a lighthouse of greater elevation. ”