The Wealth of Nations by Part 4 Chapter 5 Page 43

Secondly, the bounty to the white-herring fishery is a tonnage bounty; and is proportioned to the burden of the ship, not to her diligence or success in the fishery; and it has, I am afraid, been too common for vessels to fit out for the sole purpose of catching, not the fish, but the bounty.

In the year 1759, when the bounty was at fifty shillings the ton, the whole buss fishery of Scotland brought in only four barrels of sea-sticks. In that year each barrel of sea-sticks cost government in bounties alone L113 15s.; each barrel of merchantable herrings L159 7s. 6d.

Thirdly, the mode of fishing for which this tonnage bounty in the white-herring fishery has been given (by busses or decked vessels from twenty to eighty tons burthen), seems not so well adapted to the situation of