< 1911 Encyclopædia Britannica

PHYSIOLOGUS, the title usually given to collection of some fifty Christian allegories much read in the middle ages, and still existing in several forms and in about a dozen Eastern and Western languages. As nearly all its imagery is taken from the animal world, it is also known as the Bestiary. There can be hardly a doubt about the time and general circumstances of its origin. Christian teachers, especially those who had a leaning towards Gnostic speculations, took an interest in natural history, partly because of certain passages of Scripture that they wanted to explain, and partly on account of the divine revelation in the book of nature, of which also it was man's sacred duty to take proper advantage. Both lines of study were readily combined by applying to the interpretation of descriptions of natural objects the allegorical method adopted for the interpretation of Biblical texts. Now the early Christian centuries were anything but a period of scientific research. Rhetorical accomplishments were considered to be the chief object of a liberal education, and to this end every kind of learning was made subservient. Instead of reading Aristotle and other naturalists, people went for information to commonplace books like those of Aelian, in which scraps of folk-lore, travellers' tales and fragments of misapprehended science were set forth in an elegant style. Theological writers were not in the least prepared to question the worth of the marvellous descriptions of creatures that were current in the schools on the faith of authorities vaguely known as “ the history of animals, ” “ the naturalists, ” and “ the naturalist ” in the singular number (<;bv<no)<9yos).1 So they took their notions of strange beasts and other marvels of the visible world on trust and did their best to make them available for religious instruction. In some measure we find this practice adopted by more than one of the Fathers, but it was the Alexandrian school, with its pronounced taste for symbolism, that made the most of it. Clement himself had declared that natural lore, as taught in the course of higher Christian education according to the canon of truth, ought to proceed from “ cosmogony ” to “ the theological idea., ”2 and even in the little that is left of the works of Origen we have two instances of the proceeding in question. And yet the fact that these reappear in the Physiologus would not suffice to stamp the work as a series of extracts from Alexandrian writings, as parallels of the same kind can be adduced 1 Origen, Sel. m Jerem. xvii. 11, év -rf? irepl fqiwv ivfvplaz Epiphan. Adv haer. i. 3, p. 274 (ed. Petav.), 66s ¢>a¢nv oi 4>v¢rw7fyo¢; Origen, Horn. xvii., in Gen. xhv. 9, "nam physiologus de catulo leonis scribit "

Strom, iv. p 564 (ed Potter), #1 fyoiiv Ka-ra -rdv 1~?;s &)/kia.; Kavéva. YVLO¢TTLK;]S 1ra.ou.56aews ¢u¢1w}o'yia, ;u'i})ov 5% é1|'O1I"1'€|iG., bc T05 'lrepl roapoyovlas Hp-r1;1'a.1. Mryou, év6év5¢ dvaliaivovda édri 'rd 6eo>o'yu<6v ¢l6os. from Epiphanius (loc. sit.) and Ephraem Syrus (Opp. Syr. ii. 17, I3O). Father Cahier would even trace the book to T atian, and it is true that that heresiarch mentions a writing of his own upon animals. Still, the context in which the quotation occurs makes it evident that the subject-matter was not the nature of particular species nor the spiritual lessons to be drawn therefrom, but rather the place occupied by animal beings in the system of creation. On the other hand, the opinion of Cardinal Pitra, who referred the Physiologus to the more orthodox though somewhat peculiar teaching of the Alexandrians, is fully borne out by a close examination of the irregularities of doctrine pointed out in the Physiologus by Cahier, all of which are to be met with in Origen. The technical words by which the process of allegorizing is designated in the Physiologus, like éppmvela., Qewpiu., 6.va'yw'yf;, d}}n7'yop£u., are familiar to the students of Alexandrian exegesis. It has, moreover, been remarked that almost all the animals mentioned were at home in the Egypt of those days, or at least, like the elephant, were to be seen there occasionally, whereas the structure of the hedgehog, for instance, is explained by a reference to the sea-porcupine, better known to fish-buyers on the Mediterranean. The fables of the phoenix and of the conduct of the wild ass and the ape at the time of the equinox owe their origin to astronomical symbols belonging to the Nile country.3 In both chapters an Egyptian month is named, and elsewhere the antelope bears its Coptic name of “ antholops.”

That the substance of the Physiologus was borrowed from commentaries on Scripture4 is confirmed by many of the sections opening with a text, followed up by some such formula as “but the Physiologus says.” When zoological records failed, Egypto-Hellenic ingenuity was never at a loss for a fanciful invention distilled from the text itself, but which to succeeding copyists appeared as part of the teaching of the original Physiologus. As a typical instance we may take the chapter on the ant-lion-not the insect, but an imaginary creature suggested by Job. iv. 11. The exceptional Hebrew for a lion (layish) appeared to the Septuagint translators to call for a special rendering, and as there was said to exist on the Arabian coast a lion-like animal called f' myrmex ” (see Strabo xvi. 774, Aelian, N .A., vii. 47) they ventured to give the compound noun “ myrmekoleon.” After so many years the commentators had lost the key to this unusual term, and only knew that in common Greek “ myrmex ” meant an ant. So the text “ the myrmekoleon hath perished for that he had no nourishment ” set them pondering, and others reproduced their meditations, with the following result: “ The Physiologus relates about the ant-lion: his father hath the shape of a lion, his mother that of an ant; the father liveth upon flesh, and the mother upon herbs. And these bring forth the ant-lion, a compound of both, and in part like to either, for his fore part is that of a lion, and his hind part like that of an ant. Being thus composed, he is neither able to eat flesh like his father, nor herbs like his mother; therefore he perisheth from inanition ”; the moral follows. At a later period, when the Church had learnt to look with suspicion upon devotional books likely to provoke the scofhng of some and lead others into heresy, a work of this kind could hardly meet with her approval. A synod of Pope Gelasius, held in 496, passed censure, among others, on the “ Liber Physiologus, qui ab haereticis conscript us est et B. Ambrosii nomine signatus, apocryphus, ” and evidence has even been offered that a similar sentence was pronounced a century before. Still, in spite of such measures, the Physiologus, like the Church History of Eusebius or the Pastor of H ermas, continued to be read with general interest, and even Gregory the Great did not disdain to allude to it on occasion. Yet the Oriental versions, which had certainly nothing to do with the Church of Rome, show that there was no systematic revision made according to the catholic 3 Cp. Leemans on Horapollo i. 16, 34.

Including the Apocrypha. See the Icelandic account of the elephant, also a decidedly Alexandrian fragment upon the pdpvos, founded upon 4 Macc. i. 3, which has got into the scholia upon the Odyssey xviii. 2 (ii. 533, ed. Dindorf, Oxford, 1855).

standard of doctrine. The book remained essentially the same, albeit great liberties were taken with its details and outward form. There must have been many imperfect copies in circulation, from which people transcribed such sections as they found or chose, and afterwards completed their MS as occasion served Some even rearranged the contents according to the alphabet or to zoological affinity. So little was the collection considered as a literary work with a definite text that every one assumed a right to abridge or enlarge, to insert ideas of his own, or fresh scriptural quotations; nor were the scribes and translators by any means scrupulous about the names of natural objects, and even the passages from Holy Writ. Physiologus had been abandoned by scholars, and left to take its chance among the tales and traditions of the uneducated mass. Nevertheless, or rather for this very reason, its symbols found their way into the rising literature of the vulgar tongues, and helped to quicken the fancy of the artists employed upon church buildings and furniture.

The history of the Physiologus has become entwined from the beginning with that of the commentaries on the account of creation in Genesis. The principal production of this kind in our possession is the H exaemeron of Basil, which contains several passages very like those of the Physzologus. For instance, in the sex enth homily the fable of the nuptials of the viper and the conger-eel, known already to Aelian and Oppian, and proceeding from a curious misreading of Aristotle (Hzst. An. v. 4, 540 b, Bekk), serves to point more than one moral. Notwithstanding the difference in theology, passages of this kind could not but be welcome to the admirers of the Alexandrian allegories. In fact a medley from both Basil and the P/zyszologus exists under the title of the H exaemeron of Eustathius; some copies of the first bear as a title Ilepi ¢>u<no)o'yias, and in a Milan MS. the “ morals ” of the Physwlogus are ascribed to Basil. The Leyden Syriac is supplemented with literal extracts from the latter, and the whole is presented as his work. Other copies give the names of Gregory Theologus, Epiphanius, Chrysostom and Isidore.

As far as can be judged, the emblems of the original Physiologus were the following: (1) the lion (footprints rubbed out with tail, sleeps with eyes open; cubs receive life only three days after birth by their father's breath); (2) the sun-lizard (restores its sight by looking at the sun), (3) the charadrius (Deut. xiv. 16, presages recovery or death of patients); (4) the pelican (recalls its young to life by its own blood), (5) the owl (or nyktikorax, loves darkness and solitude); (6) the eagle (renews its youth by sunlight and bathing in a fountain); (7) the phoenix (revives from fire), (8) the hoopoe (redeems its parents from the ills of old age), (9) the wild ass (suffers no male besides itself), (io) the viper (born at the cost of both its parents' death); (11) the serpent (sheds its skin, puts aside its venom before drinking, is afraid of man in a state of nudity; hides its head and abandons the rest of its body), (1 2) the ant (orderly and laborious; prevents stored grain from germinating; distinguishes wheat from barley on the stalk); (13) the sirens and onocentaurs (Isa. xiii. 21, 22; compound creatures), (14) the hedgehog (pricks grapes upon its quills), (1;) the fox (catches birds by simulating death); (16) the panther (spotted skin; enmity to the dragon; sleeps for three days after meals, allures its prey by sweet odour); (17) the sea-tortoise (or aspidochelone, mistaken by sailors for an island); (18) the partridge (hatches eggs of other birds); (19) the vulture (assisted in birth by a stone with loose kernel); (20) the ant-lion (able neither to take the one food nor to digest the other); (21) the weasel (conceives by the mouth and brings forth by the ear), (22) the unicorn (caught only by a virgin); (23) the beaver (gives up its testes when pursued), (24) the hyaena (a hermaphrodite), (2 5) the otter (enhydris, enters the crocodile's mouth to kill it), (26) the ichneumon (covers itself with mud to kill the dragon, another version of No 25), (27) the crow (takes but one consort in its life), (28) the turtle-dove(same nature as No. 27), (29) the frog (either living on land and killed by rain, or in the water without ever seeing the sun); (30) the stag (destroys its enemy the serpent); (31) the salamander (quenches fire); (32) the diamond (powerful against all danger); (33) the swallow (brings forth but once; misreading of Aristotle, Hist. Aw. v. 13); (34) the tree called peridexion (protects pigeons from the serpent by its shadow); (35) the pigeons (of several colours' led by one of them, which is of apurple or golden colour); (36) the antelope (or hydrippus; caught by its horns in the thicket): (37) the fire flints (of two sexes, combine to produce fire); (38) the magnet (adheres to iron); (39) the saw-fish (sails in company with ships); (40) the ibis (nshes only along the shore); (41) the ibex (descries a hunter from afar); (42) the diamond again (read “ carbuncle ”; found only by night); (43) the elephant (conceives after partaking of mandrake; brings forth in the water; the young protected from the serpent by the father; when fallen is lifted up only by a certain small individual of its own kind); (44) the agate (employed in pearl-fishing); (45) the wild ass and ape (mark the equinox); (46) the Indian stone (relieves patients of the dropsy); (47) the heron (touches no dead body, and keeps to one dwelling place); (48) the sycamore (or wild fig; grubs living inside the fruit and coming out); (49) the ostrich (devours all sorts of things; forgetful of its own eggs). Besides these, or part of them, certain copies contain sections of unknown origin about the bee, the stork, the tiger. the woodpecker, the spider and the wild boar.

The Greek text of the Physzologus exists only in late MSS., and has to be corrected from the translations. In Syriac we have a full copy in a 12th-century Leyden MS.. published in I. P. N. Land's Anecdota Syfidéa; thirty-two chapters with the “ morals ” left out in a very late Vatican copy, pub ished by Tychsen; and about the same number in a late MS. of the British Museum (Add. 25878). In Armenian Pitra gave some thirty-two chapters from a Paris MS. (13th century) The Aeth'opic exists both in London and Paris, and was printed at Leipzig by Dr Hommel in 1877. In Arabic we have fragments at Paris, of which Renan translated a speCimen for the Spztzlegzum solesmense, and another version of thirty-seven chapters at Leiden, probably the work of a monk at Jerusalem, which Land translated and printed with the Syrlac. The Latin MSS of Bern are, after the Vatican glossary of Ansileubus, the oldest of which we know; there are others in several libraries, and printed editions by Mai, Heider and Cahier. Besides these, a few fragments of an old 'abridgment oceur in Vallars1's edition of ]erome's works (vol xi. col 218). A mctrical Physzologus of but twelve chapters is the work of Theobaldus, probably abbot of Monte Cassino (A D. 1022-1035). From this was imitated the Old-English fragment printed by Th. Wright, and afterwards by Maetzner; also the Old-French Sensuyl le bermnre d'am0urs. The prose Phystologus was done into Old High German before 1000, and afterwards into rhyme in the same idiom; since Von der Hagen (1824) its various forms have found careful editors among the leading Germanists The Icelandic, in a Copenhagen M5 of the 13th century, was printed by Professor Th. Mobius m his Analfcta nonoena (2nd ed., 187{l); at the same time he gave it in Geiman in Dr Hommel's Aet iopic publication Some Anglo-Saxon metrical fragments are to be found in Grein's Bzblwthek, vol i The Provengal (c. 1250), published in Bartsch's Chresfomathze provengale, omits the “morals, ” but is remarkable for its peculiarities of form. Before this there had been translations into French dialects, as by Philippe de Thaun (1121), by Guillaume, “ clerc de Normandie, " also, about the same period, by Pierre, a clergyman of Picardy All the Old-French materials have not yet been thoroughly examined, and it is far from improbable that some versions of the book either remam to be detected or are now lost past recovery. A full account of the history of the Physzologus should also embrace the sub}ects taken from it in the productions of Christian art, the parodies suggested by the origma work, eg. the Bestzazre d'amour by Richard de Fournival, and finally the traces left by it upon the encyclopaedical and literary work of the later middle ages.

Nearly all the information now obtainable is to be found in the following works and such as are there quoted S Epzphamus ad physzologum, ed. Ponce de Leon (with woodcuts) (Rome, 1587); another edition, with copper-plates (Antwerp, 1588); S. Euslathzz m hexahemeron comment anus, ed Leo Allatius (Lyons, 1629; cf. H. van Herwerden, Exercttt Cntt, pp 180-182, Hague, 1862); Physiologus syrus, ed. O G. Tychsen (Rostock, 1795), Classzcz auctores, ed Mai, vii 585-596 (Rome, 1835); G. Heider, in Archiv fur Kunde osferrezch. Gesrhzchtiguellen ii 545 seq. (Vienna, 1850); Caluer and Martin, Mélanges dkirchéologze, &c ii. 85 seq. (Paris,1851), iii 203 seq (1853), iv 55 seq (1856), Cahier, Noufveag{x mélanges (1874), p 106 seq; ]. B Pitra, Spzctlegzum solesmense ni. XlV1l seq,338 seq,416, 535 (Paris, 1855);Maetzner, Altengl Sprachproben (Berlin, 1867), Vol 1 pt. i. p 55 seq; ] V1CtOf Carus, Gesch. der Zoologze (Munich, 1872), p 109 seq; ]. P N. Land, Anecdotu. syrmca (Leiden, 1874), iv 31 seq, IIS seq, and in Verslagen en Mededeeltngen der kon Akad van Wetenschappen, 2nd series, vol. iv. (Amsterdam, 1874); Mobius and Hommei in their publications quoted above. See also Lauchert, Geschichte des Physiologus (Strassburg, 1889) and E. Peters, Der griechische Physiologus und seine orientalischen Übersetzungen (Berlin, 1898).

PHYSIOLOGY (from Gr. φύσις, nature, and λόγος, discourse), the science or theory of the properties, processes and functions of living organisms. Physiology is distinguished from anatomy as dealing specifically with the functions of an organism, rather than its structure. The two main branches of the science are animal and plant (vegetable) physiology, and in animal physiology that of man stands out as primarily associated with the word.

Ever since men began to take a scientific interest in the problems of life two distinct rival explanatory principles of vital History of Theory. phenomena have claimed attention: a natural and a mystical principle. The first outcome of the scientific attempt to explain vital phenomena after the natural method and by a unitary principle was the doctrine of the Pneuma, held by the followers of Hippocrates, which found its clearest expression in Galen's system. According to this doctrine, the origin of all vital phenomena was a very fine substance, the Pneuma, which was supposed to exist in atmospheric air, to be inhaled into the lungs of man, and thus through the blood to reach all the parts of the body, where it produced vital phenomena. This doctrine—an attempt to explain the phenomena of life which was not altogether natural, but even materialistic—was accepted by the middle ages together with Galen's system. With its translation into the Latin spiritus, however, the conception of the Pneuma lost its original force. The spiritus animales of the middle ages developed ere long into mystical powers, the result being the explanation of vital phenomena by a supernatural theory. Not until the scientific renaissance of the 16th and 17th centuries did views again undergo a change. After the establishment of a scientific method in physiology by William Harvey, and the development of Descartes' mechanical system of regarding living bodies, the natural explanation of vital phenomena once more universally found favour. Two schools arose, which endeavoured by dissimilar methods to find a mechanical explanation of vital phenomena: the iatrophysical, originating with the gifted and versatile Borelli, and the iatrochemical, founded by the Dutchman, F. de la Boë (Sylvius). But when both chemical and physical methods of explanation failed at such problems as, for instance, irritability and evolution, another change in opinion took place. By degrees there emerged once more the tendency to explain vital phenomena by mystical means, finding expression in the Animism of Stahl, to quote an example; and in the second half of the 18th century Vitalism, originating in France, began its victorious march throughout the whole scientific world. Again the opinion came to be entertained that the cause of vital phenomena was a mystical power (force hypermécanique)—that “vital force” which, neither physical nor chemical in its nature, was held to be active in living organisms only. Vitalism continued to be the ruling idea in physiology until about the middle of the 19th century, and its supremacy was only gradually overthrown by the great discoveries in natural science of that century. The chemical discoveries resulting from Wohler's synthesis of urea first showed that typical products of the animal body, the production of which had hitherto been supposed to be solely the result of the operation of vital force, could be obtained artificially by purely chemical methods. Then above all came the discovery of the law of the Conservation of Energy by Robert Mayer (1814-1878) and Hermann von Helmholtz (1821-1894), and its application to the living organism by Mayer, Helmholtz, Pierre Louis Dulong (1785-1838), Edward Frankland, Max Rubner and others, to prove that the manifestations of energy by the organism are simply the result of the quantity of potential energy received into the body by means of food. Finally, the stupendous results arrived at by Darwin and the establishment of the fundamental law of “biogenesis” by Ernst Haeckel, prepared the way for a natural explanation of the enigma of evolution and structure of organisms. Thus by the second half of the 19th century the doctrine of vital force was definitely and finally overthrown to make way for the triumph of the natural method of explaining vital phenomena, which down to the present time has continued to spread and flourish with an unparalleled fertility. It would, it is true, appear as if in our day, after the lapse of half a century, mystical tendencies were again disposed to crop up in the investigation of life. Here and there is heard once more the watchword of Vitalism. But all the so-called neo-vitalistic efforts—such as those of Alexander von Bunge (1803-1890), Georg Evon Rindfleisch (b. 1835), Johannes Reinke (b. 1849) and others—have nothing to do with the old vitalism. They originate solely in a widespread confusion with regard to the boundaries of natural science, their principal tendency being to amalgamate psychological and speculative questions with problems of purely natural science. In the face of all these efforts, which by their unfortunate designations of Vitalism and Neo-vitalism give rise to entirely false conceptions, and which by their intermingling of psychological questions and questions of natural science have led to mere confusion in research, it is essential that natural philosophy should be called upon to realize its own limits, and above all clearly to understand that the sole concern of physical science is the investigation of the phenomena of the material world. Physiology, as the doctrine of life, must therefore confine itself to the material vital phenomena of organisms. It is self-evident, however, that only such laws as govern the material world will be found governing material vital phenomena—the laws, that is, which have hitherto been brought to their most exact and most logical development by physics and chemistry, or, more generally speaking, by mechanics. The explanatory principles of vital phenomena must therefore be identical with those of inorganic nature—that is, with the principles of mechanics.

The investigation of vital phenomena in this sense requires, in the first place, an exact knowledge of the substratum in which Ultimate Elements of Life. these phenomena are manifested, just as in chemistry and physics a thorough knowledge of the composition of of the material world is a necessary premise to the investigation of the phenomena of inorganic nature. The knowledge of the composition and structure of organisms has in the course of the scientific development of anatomy attained to an ever-increasing minuteness of detail, without having as yet reached a definite limit. The last important step in this direction was the discovery by Matthias Jakob Schleiden (1804-1881) and Theodor Schwann (1810-1882) that all organisms are built up of elementary living structural components, namely of cells (see Cytology). The details of the anatomical construction of organisms are described under various appropriate headings, and a general guide to these will be found under Anatomy and Zoology. We would here merely point out that a cell is the simplest particle of living substance which appears to be permanently capable of life. Different elements are essential, however, to the existence of the cell—two, at least, so far as has hitherto been discovered—the protoplasm and the nucleus. It must at present be regarded as at least very doubtful whether the centrosome, which in recent times it has been possible to demonstrate as existing in very many cells, and which appears sometimes in the protoplasm, sometimes in the nucleus, is a general and third independent cell-constituent. On the other hand, the number of special constituent parts which appear in various cell-forms is very large. A question which has long been discussed, and which has received special and animated attention, is that with regard to the finer structure of the cells—with regard, that is, to the protoplasm and the nucleus lying in it. Views on this subject have diverged very widely, and several totally diverse theories have been opposed to one another. One theory maintains that the living cell-substance has a reticular structure; another, that it is fibrillous. According to a third theory, the essence of the construction of the cell-substance lies in the granules which it contains; and according to a fourth, it lies in the ground-substance in which these granules are embedded. One view holds this ground substance to be homogeneous, another regards it as possessing a fine foam-structure. It may at present be regarded as

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