462. =Carlingford=, Haulbowline Rock, lat 54° 1´; two fixed lights, visible 15 miles; tower, 111 feet high; erected 1823. 463. =Carlingford=, Greenore Point, lat. 54° 1´ 55´´; revolving every 45 seconds, visible 9 miles; 41 feet high; erected 1830. 464. =Dundrum Bay=, St. John’s Point, lat. 54° 13´ 10´´; one intermittent light, every minute, visible 12 miles; erected 1844. 465. =Ardglass Harbour=, lat. 54° 15´ 10´´; one fixed light, visible 6 miles; erected 1816. 466. =South Rock=, lat. 54° 23´ 55´´; revolving every 90 seconds, visible 12 miles; 60 feet high; erected 1797. 467. =Donaghadee Harbour=, lat. 54° 38´ 45´´; one fixed light, visible 12 miles; 53 feet high; erected 1836. 468. =Copeland Island=, lat. 54° 41´ 44´´; one fixed light, visible 16 miles; tower, 52 feet high; erected 1796. NORTH COAST. 469. =Belfast Bay=, Hollywood Bank, lat. 54° 39´; one fixed light, visible 5 miles; erected 1848. 470. =Larne Lough=, Farrs Point, lat 54° 51´ 7´´; one fixed light, visible 11 miles; tower, 50 feet; erected 1839. 471. =Maidens Rocks=, lat. 54° 55´ 47´´; two fixed lights, visible 14 and 13 miles; one tower 76 feet, and the other 68 feet high, 800 yards apart; erected 1829. 472. =Rathlin Island=, Altacarry Head; lat. 55° 18´ 10´´; two lights—the upper, intermittent, bright 50 seconds, dark 10; the lower fixed—visible 21 miles; lighthouse, 88 feet high; erected 1856. Lough Foyle—Nos. 473 to 483. [473. =Inishowen=, Dunagree Point, lat. 55° 13´ 38´´; two lights, east and west, 183 yards apart; visible 13 miles; towers, 49 feet high; erected 1837. 474. =Warren Point=; one fixed red light; erected 1801. 475. §=Red Castle=; one fixed light; erected 1852. 476. §=White Castle=; one fixed light; erected 1848. 477. §=Ture=; one fixed light; erected 1850. 478. §=Cunnyberry=, one fixed light; erected 1848. 479. =Culmore Point=; one fixed light, on mast; erected 1848. 480. =Culkeeragh=; one fixed light; erected 1851. 481. =Boom Hall=; one fixed light; red brick tower; erected 1859. 482. [++]=Rosse Bay= Lightship; one fixed light; fixed 1859. 483. =Rock Mill= (near); one fixed light, on mast; erected 1859.] * * * * * 484. =Inistrahull Island=, lat. 55° 25´ 55´´; revolving every 2 minutes; 42 feet high; erected 1812. 485. =Lough Swilly=, Fanad Point, lat. 55° 16´ 33´´; one fixed light, visible 14 miles; 26 feet high; erected 1816. 486. =Tory Island=, lat. 55° 16´ 26´´; one fixed light, visible 16 miles; lighthouse, 87 feet high; erected 1832. 487. =Aranmore Island=, Rinrawros Point, lat. 55° 0´ 52´´; one light, flashes every 20 seconds, visible 18 miles; circular tower, 76 feet high; erected 1865. WEST COAST.