It was formerly believed in some parts of West Wales, especially by the people dwelling near the sea coast, that the Fairies visited markets and fairs, and that their presence made business very brisk. I have already referred to the "Gwerddonau Llion," or the enchanted "Isles of the Sea," inhabited by Fairy Tribes. These Fairies, it was believed, went to and fro between the islands and shore, through a subterranean gallery under the bottom of the sea, and regularly attended the markets at Milford Haven, in Pembrokeshire and Laugharne in Carmarthenshire. ("British Goblins," page 10.) They made their purchases without speaking, laid down their money and departed, always leaving the exact sum required, which they seemed to know, without asking the price of anything. Sometimes they were invisible, but they were often seen by sharp-eyed persons. There was one special butcher at Milford Haven upon whom the Fairies bestowed their patronage, instead of distributing their favours indiscriminately. According to Gwynionydd in the "Brython," for 1858, page 110, these Fairies also came to market to Cardigan, and it was thought they raised the prices of things terribly whenever they came there. In that part of the country they were known as "Plant Rhys Ddwfn." No one saw them coming there or going away, only seen there in the market. When prices in the market happened to be high, and the corn all sold, however, much there might have been there in the morning, the poor used to say to one another on the way home, "Oh! They were there to-day," meaning "Plant Rhys Ddwfn," or the Fairies. These Fairies were liked by the farmers who had corn to sell, but disliked by the poor labourers who had to buy corn and give higher price for it. Gwynionydd also says that: "A certain Gruffydd Ap Einon was wont to sell them more corn than anybody else, and that he was a great friend of theirs. He was honoured by them beyond all his contemporaries by being led on a visit to their home. As they were great traders, like the Phoenicians of old, they had treasures from all countries under the sun. Gruffydd, after feasting his eyes to satiety on their wonders was led back by them loaded with presents. But before taking leave of them, he asked them how they succeeded in keeping themselves safe from invaders, as one of their number might become unfaithful, and go beyond the virtue of the herbs that formed their safety. "Oh!" replied the little old man of shrewd looks, "Just as Ireland has been blessed with a soil on which venomous reptiles cannot live, so with our land; no traitor can live here. Look at the sand on the seashore; perfect unity prevails there, and so among us." Rhys, the father of our race, bade us even to the most distant descendant to honour our parents and ancestors; love our own wives without looking at those of our neighbours, and do our best for our children and grandchildren. And he said that if we did so,