Note 361 — Chapter LXXIII · OF SWEIN AND HOLDBÖDI’S RAIDS.
Gilbert Goudie translation
Lúdr.—This same signal was used by the army of the Bœndr at the battle of Stiklestad (Flateyjarbók, ii. 352). The signal-horn used at the present day by the Shetland fishermen still retains the ancient name, “the ludr-horn.”