How these classes were first called into existence it is not easy to say; but if, as some assert, all the ancient systems of heathen religion were devised by philosophers for the instruction of rude tribes by appeals to their senses, we might suppose that the minds which peopled the skies with their thousands and tens of thousands of divinities gave birth also to the inhabitants of the field and flood, and that the numerous tales of their exploits and adventures are the production of poetic fiction or rude invention. It may further be observed, that not unfrequently a change of religious faith has invested with dark and malignant attributes beings once the objects of love, confidence, and veneration.[5] It is not our intention in the following pages to treat of the awful or lovely deities of Olympus, Valhalla, or Merû. Our subject is less aspiring; and we confine ourselves to those beings who are our fellow-inhabitants of earth, whose manners we aim to describe, and whose deeds we propose to record. We write of FAIRIES, FAYS, ELVES, _aut alio quo nomine gaudent_. ORIGIN OF THE WORD FAIRY. Like every other word in extensive use, whose derivation is not historically certain, the word Fairy has obtained various and opposite etymons. Meyric Casaubon, and those who like him deduce everything from a classic source, however unlikely, derive Fairy from Φηρ, a Homeric name of the Centaurs;[6] or think that _fée_, whence Fairy, is the last syllable of _nympha_. Sir W. Ouseley derives it from the Hebrew פאר (_peër_), _to adorn_; Skinner, from the Anglo-Saxon [Old English: faran], _to fare_, _to go_; others from Feres, companions, or think that Fairy-folk is _quasi_ Fair-folk. Finally, it has been queried if it be not Celtic.[7] But no theory is so plausible, or is supported by such names, as that which deduces the English Fairy from the Persian Peri. It is said that the Paynim foe, whom the warriors of the Cross encountered in Palestine, spoke only Arabic; the alphabet of which language, it is well known, possesses no _p_, and therefore organically substitutes an _f_ in such foreign words as contain the former letter; consequently Peri became, in the mouth of an Arab, Feri, whence the crusaders and pilgrims, who carried back to Europe the marvellous tales of Asia, introduced into the West the Arabo-Persian word _Fairy_. It is further added, that the Morgain or Morgana, so celebrated in old romance, is Merjan Peri, equally celebrated all over the East.