370. =Holyhead=, inner harbour, port side; one fixed light, green; erected 1866. 371. =Holyhead=, inner harbour, starboard side; one fixed light, red; erected 1866. 372_a_. =Stack Rock=, off north-west point of Holyhead Island, lat. 53° 18´; one light, revolving every 2 minutes, visible 20 miles; circular tower, 84 feet high; erected 1809. [“During foggy weather, a _bell_ is sounded, and a smaller _bright light_, revolving in 1½ minutes, is occasionally shown about 40 feet above the sea, and 30 yards north of the main lighthouse. A gun is also fired from the North Stack every hour and half-hour during foggy weather; and, when the mail packets are expected, every quarter of an hour, from 10.45. A.M. till 45 minutes past noon; and again from 11.45 P.M. till 1.45 A.M.”] 372_b_. [++]=Caernarvon= Lightship, lat. 53° 5´ 45´´; one light, revolving every 20 seconds, and visible 10 miles; fixed 1870. 373. =Caernarvon=, Llanddwyn Island, lat. 53° 8´; one fixed light, visible 5 miles; erected 1845. 374. =Caernarvon=, pier-head; one fixed light; erected 1858. 375. =Bardsey Island=, lat. 52° 45´; one fixed light, visible 17 miles; square white tower, 99 feet high; erected 1821. 376. =Aberystwith=, pier-head, lat. 52° 25´; two fixed lights; erected 1864. 377. [++]=Cardigan Bay= Lightship, lat. 52° 22´ 30´´; one light, revolving every 30 seconds, and visible 9 miles; fixed 1860. 378. =South Bishop Rock=, lat. 51° 51´; revolving light, every 20 seconds; 36 feet high; erected 1839. 379. =Smalls Rock=, lat. 51° 43´ 20´´; one fixed light, visible 15 miles; circular tower, 141 feet high; erected 1778. Bristol Channel—Nos. 380 to 414. [380. =St. Ann’s Point=, Milford Haven, lat 51° 41´; two fixed lights, high lighthouse, visible 20 miles; circular tower, 75 feet high; erected 1714; low lighthouse, visible 18 miles, octagonal, 203 yards south-east of former, 42 feet high. 381. =New Quay=; one fixed light. 382_a_. =Milford Haven=, dockyard; two fixed lights, red; 46 feet and 23 feet high; erected 1862. 382_b_. [++]=Neyland Point= Lightship; one fixed light; erected 1868. 383. =Caldy Island=, lat. 51° 37´ 56´´; one fixed light, visible 20 miles; circular tower, 52 feet high; erected 1829. 384. =Tenby=, pier-head; one fixed red light; erected 1856. 385. =Saundersfoot=, pier-head, lat. 51° 42´; one fixed red light. 386. =Pembrey Harbour=, lat 51° 41´; one fixed light, visible 9 miles. 387. =Llanelly=, south end of breakwater, lat. 51° 40´; one fixed light; 50 feet high; erected 1850. 388. §=Llanelly=, Whiteford Point; one fixed light, visible 7 miles; erected 1854. 389. [++]=Helwick= Lightship, lat 51° 31´; one light, revolving every minute.