Note 4 — PERIOD I.

It is worth mentioning that on the coast of Scania, once so rich in herring fishery, this industry is now almost extinct. The fish rarely come into these waters, owing perhaps to the increase of traffic in the Sound (for herrings, as is well known, dislike noise and movement and seek out quiet seas); or because the great whale fisheries of Greenland have altered their course, for whales now pursue less often than formerly the shoals of herrings that were thus forced to take refuge in the Sound; or this may be simply due to the diminution of the crustacean called Astacus harengum, on which the fish so largely feeds—the fact in any case remains.