Page:A Journey to the Western Islands of Scotland - Johnson (1775).djvu/147

 countries it has many rivulets. One of the brooks turns a corn-mill, and at least one produces trouts.

In the streams or fresh lakes of the Islands, I have never heard of any other fish than trouts and eels. The trouts, which I have seen, are not large; the colour of their flesh is tinged as in England. Of their eels I can give no account, having never tasted them; for I believe they are not considered as wholesome food.

It is not very easy to fix the principles upon which mankind have agreed to eat some animals, and reject others; and as the principle is not evident, it is not uniform. That which is selected as delicate in one country, is by its neighbours abhorred as loathsome. The Neapolitans lately refused to eat potatoes in a famine. An Englishman is not easily persuaded to dine on snails with an Italian, on frogs with a