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e Byzantine empire. In European history, two decrees under this name are particularly celebrated. One of these, issued by Charles VII. of France, A. D. 1438, was the foundation of the liberties of the Gallican church; the other, issued by Charles VI. of Germany, A. D. 1724, settled his hereditary dominions on his eldes…

trace (Anat.), an opaque and thickened band where the mesoblast first appears in the vertebrate blastoderm.

ming, the front of the head. Procephalic lobe (Zoöl.), that part of the head of an invertebrate animal which is in front of the mouth.

A celebrated legendary highwayman of Attica, who tied his victims upon an iron bed, and, as the case required, either stretched or cut of their legs to adapt them to its length; -- whence the metaphorical phrase, the bed of Procrustes.

A song in celebration of a marriage. Drayton.

One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm.

hæmal fluid, the circulatory fluid, or blood, of annelids, analogous to the blood of vertebrates. It is often red, but is sometimes green or colorless. -- Pseudhæmal vessels, the blood vessels of annelids.

Any contractile vessel of invertebrates which is not of the nature of a real heart, especially one of those pertaining to the excretory system.

One of the two elongated vibratile young formed by fission of the embryo during the development of certain Gregarinæ.

ds to the inner plate of the pterygoid process of the human skull, but which, in all vertebrates below mammals, is not connected with the posterior nares, but serves to connect the palatine bones with the point of suspension of the lower jaw. -- Pterygoid process (Anat.), a process projecting downward from either side…

A celebrated fairy, "the merry wanderer of the night;" -- called also Robin Goodfellow, Friar Rush, Pug, etc. Shak. He meeteth Puck, whom most men call Hobgoblin, and on him doth fall. Drayton.

ularly repeated, as of a medium in the transmission of light, sound, etc.; oscillation; vibration; pulsation; impulse; beat; movement. The measured pulse of racing oars. Tennyson. When the ear receives any simple sound, it is struck by a single pulse of the air, which makes the eardrum and the other membranous parts vi…

A posterior division of the stomach in some invertebrates.

The period intervening between one celebration of the Pythian games and the next.

thian games (Gr. Antiq.), one of the four great national festivals of ancient Greece, celebrated near Delphi, in honor of Apollo, the conqueror of the dragon Python, at first once in eight years, afterward once in four.

uadrate bone (Anat.), a bone between the base of the lower jaw and the skull in most vertebrates below the mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the malleus or incus.

To shake, vibrate, or quiver, either from not being solid, as soft, wet land, or from violent convulsion of any kind; as, the earth quakes; the mountains quake. " Over quaking bogs." Macaulay.

To tremble; to vibrate; to shake. Sir I. Newton.

Public games celebrated every five years.

An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.