Coast Of Finland.
The following is a notice of an alteration in 1'erkalout Light. heuse, or, as in the English charts, ot' Ronskar Light-house. on the north shore of the Gtilf of Finland, which will be furnished with a revolving light on the 6th (18) o0' October. Its mwotions will be as follows, to disti::gish it from the Ihht o' Na.gen, on the souith shlore :on 1. Thep ight will appear for the space of one minute and a hal!f 2. It will be darkened 3.; sec'tndg. 3. The light wvill appear tbr 20 seconds. 4. It will be darkened 35 sccousts. Thus closes one entire revolution, and it rtcoinmcnces with No.l. Notice of' the commletion of' the Fidsanrd Light-houses.-On the 20th of Septemiber (Oct. 2) both lighit.houxts will be lighted their distance fromt one another is 630 fect. The old one to the south- ward is I 10 feet highl from the level of the water * the new one to the notthvward 100 feet. Both lights are stationary, to prevent the posRibility of their being nmistaken lbr that of Dagerort. which is a revolving light. (,ronstadt, Sept. 12 (24,) 1824. C0.4ST OF' PINLAND.