Animal flower, in zoology, is a name given to several species of animals belonging to the genus of Actinia of Linnaeus. They have likewise been distinguished by the names of Urtica marina, or Sea-nettle, and Sea-anemone, from their claws or tentacles being disposed in regular circles, and tinged with a variety of bright lively colours, resembling the petals of some of our most beautiful flowers. As to one species particularly, mentioned by Abbe Diequemarre, in the Phil. Trans, for 1773, article 37, the purest white, carmine, and ultramarine, are said to be scarcely sufficient to express their brilliancy. The bodies of some of them are hemispherical, of others cylindrical, and others are shaped like a fig. Their substance likewise differs: some are stiff and gelatinous, others fleshy and muscular; but all of them are capable of altering their figure, when they extend their bodies and claws in search of food. They are found in many of the rocky coasts of the West India Islands, and likewise on some parts of the coast of England. They have only one opening, which is the centre of the uppermost part of the animal; round this are placed rows of fleshy claws; this opening is the mouth of the animal, and is capable of great extension. The animals themselves, though exceedingly voracious, will bear long fasting. They may be preserved alive a whole year, or perhaps longer, in a vessel of sea water, without any visible food; but, when food is presented, one of them will successively devour two muscles in their shells, or even swal-low a whole crab as large as a hen's egg. In a day or two the crab-shell is voided at the mouth, perfectly cleared of all the meat. The muscle-shells are likewise discharged whole, with the two shells joined together, but entirely empty, so that not the least particle of fish is to be perceived on opening them. An anemone of one species, will even swallow an individual of another species; but, after retaining it ten or twelve hours, will throw it up alive and uninjured. Through this opening also, it produces its young ones alive, already furnished with little claws, which, as soon as they fix themselves, they begin to extend in search of food.

In Hughes's Natural History of Barbadoes, an account is also given of several species of animal flowers. They are described as only found in a bason in one particular cave; and of the most remarkable species mentioned by him, we have the following description: - "In the middle of the bason, there is a fixed stone or rock, which is always under water. Round its sides, at different depths, seldom exceeding eighteen inches, are seen at all times of the year, issuing out of little holes, certain substances that have the appearance of fine radiated flowers, of a pale yellow or a bright straw colour, slightly tinged with green, having a circular border of thick-set petals, about the size of, and much resembling those of a single garden marigold, except that this seeming flower is narrower at the discus, or setting on of the leaves, than any flower of that kind. I have attempted to pluck one of these from the rock, to which they are always fixed, but never could effect it; for as soon as my fingers came within two or three inches of it, it would immediately contract close together its yellow border, and shrink back into the hole of the rock; but, if left undisturbed for about four minutes, it would come gradually in sight, expanding, though at first very cautiously, its seeming leaves, till at last it appeared in its former bloom. However, it would again recoil with a surprising quickness, when my hand came within a small distance of it. Having tried the same experiment by attempting to touch it with my cane, and a small slender rod, the effect was the same. Though I could not by any means contrive to take or pluck from the rock one of these animals entire, yet I once cut off (with a knife, which I had held for a long time out of sight, near the mouth of a hole out of which one of these animals appeared) two of these seeming leaves. These, when out of the water, retained their shape and colour, but, being composed of a membrane-like substance surprisingly thin, it soon shrivelled up and decayed."

The Abb'e Diequemarre, by many curious, though cruel experiments, related in the Phil. Trans, for 1773, has shown, that these animals possess, in a most extraordinary degree, the power of reproduction, so that scarce any thing more is necessary to produce as many sea anemones as we please, than to cut a single one into as many pieces. A sea anemone being cut in two by a section through the body, that part where the limbs and mouth are placed, ate a piece of a muscle, offered to it soon after the operation, and continued to feed and grow daily for three months after. The food sometimes passed through the animal, but was generally thrown up again, considerably changed, as in the perfect sea anemone. In about two months, two rows of limbs were perceived grow-ing out of the part where the incision was made. On offering-food to this new mouth, it was laid hold of, eaten, and, the limbs continually increasing, the animal gradually became as perfect as those which had never been cut. In some instances, however, he found that when one of these creatures was cut through, new limbs would be produced from the cut place, those at the mouth remaining as before; so that a monstrous animal was the consequence, having two mouths, and feeding at both ends.

Having put some of them into a pan of water, set over a slow fire, he found that they lost their life at fifty degrees of Reaumur's thermometer. To avoid the imputation of cruelty in these experiments, the author argues the favourable consequences that have attended his operations on the sea anemones, which have been so fortunate as to fall into his hands: as he has not only multiplied their existence, but also renewed their youth, "which last," he adds, "is surely no small advantage." The reproductive power of the Barbadoes animal flower is prodigious. Many people coming to see these strange creatures, and occasioning some inconvenience to a person through whose grounds they were obliged to pass, he resolved to destroy the objects of their curiosity; and, that he might do so effectually, he caused all the holes out of which they appeared, to be carefully bored and drilled with an iron instrument, so that we cannot suppose but their bodies must have been entirely crushed to a pulp: nevertheless, they again appeared in a few weeks, from the very same places.

Animal flowers are found in as great beauty and variety on the coast of Galloway, as any where in the West Indies. They are repeatedly taken notice of in Sir J. Sinclair's Statistical Account of Scotland. Mr. Little, minister of Colvend, mentions the polypus, or sea anemone, among the productions of that coast. Mr. Muirhead, minister of Urr, gives the following particular description of them: - "About five years ago, i discovered in the parish of Colvend, the animal flower, as great perfection and variety as it is in Jamaica. The lively colours, and the various and elegant forms of the poly-pus on this coast, are truly equal to any thing related by-natural historians, respecting the sea-flowers of any other country. To see a flower of purple, of green, blue, yellow, etc. striving to catch a worm, is really amusing." And Mr. Marshall, minister of Brittle, has allotted a section of his Statistical Account of his parish, to animal flowers; wherein , he says, " Till of late perhaps it has not been much adverted to, that the animal flower, or water polypus, is even common along the shores of Brittle, Colvend, and very likely round the whole coast of the stewartry of Galloway. The form of these polypi is elegant, and pleasantly diversified. Some are found resembling the sunflower, some the hundred-leaved rose, but the greater number bear the likeness of the poppy. The colours differ as much as the form. Sometimes the animal flower is of a deep purple, frequently of a rose colour, but mostly of a light red or fleshy hue. The most beautiful of them, that could be picked up, have often been carried from the shore of Colvend, twelve or fifteen miles up into the the country, where they have lived, fed on worms, and even bred for several weeks, and might have existed much longer, if they could have been supplied with sea-water."