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The Vertebrata.

d associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate.

A kind of secret religious celebration, to which none were admitted except those who had been initiated by certain preparatory ceremonies; -- usually plural; as, the Eleusinian mysteries.

Of or pertaining to Nemea, in Argolis, where the ancient Greeks celebrated games, and Hercules killed a lion.

usually having a long, slender, smooth, often bright-colored body, covered with minute vibrating cilia; -- called also Nemertea, Nemertida, and Rhynchocæla.

cialized coördinating apparatus which endows animals with sensation and volition. In vertebrates it is often divided into three systems: the central, brain and spinal cord; the peripheral, cranial and spinal nerves; and the sympathetic. See Brain, Nerve, Spinal cord, under Spinal, and Sympathetic system, under Sympathe…

e side with, the neural, or cerebro-spinal, axis; -- opposed to hemal. As applied to vertebrates, neural is the same as dorsal; as applied to invertebrates it is usually the same as ventral. Cf. Hemal. Neural arch (Anat.), the cartilaginous or bony arch on the dorsal side of the centrum of the vertebra in a segment of…

oth the neuron and the enteron; as, the neurenteric canal, which, in embroys of many vertebrates, connects the medullary tube and the primitive intestine. See Illust. of Ectoderm.

Having the limbs on, or directed toward, the neural side, as in most invertebrates; -- opposed to Ant: hæmapodous. G. Rolleston.

The deep-seated parts of the vertebrate skeleton which are relation with the nervous axis and locomation. Owen.

An embryo or certain invertebrates in the stage when the primitive band is first developed.

ain, brown and gray European song bird (Luscinia luscinia). It sings at night, and is celebrated for the sweetness of its song.

the nature of, or relating to, a node; as, a nodal point. Nodal line, Nodal point, in a vibrating plate or cord, that line or point which remains at rest while the other parts of the body are in a state of vibration.

ts a rod having a bob at the top; -- used for detecting and measuring slight horizontal vibrations of a body to which it is attached.

ubstance which does not conduct, that is, convey or transmit, heat, electricity, sound, vibration, or the like, or which transmits them with difficulty; an insulator; as, wool is a nonconductor of heat; glass and dry wood are nonconductors of electricity.

Well known by reputation or report; eminent; celebrated; as, a noted author, or traveler. -- Not"ed*ly, adv. -- Not"ed*ness, n.

An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

Having tentacles without vibratile cilia. Carpenter.

Marriage; wedding; nuptial ceremony; -- now only in the plural. Celebration of that nuptial, which We two have sworn shall come. Shak. Preparations . . . for the approaching nuptials. Prescott.

A very small libratory motion of the earth's axis, by which its inclination to the plane of the ecliptic is constantly varying by a small amount.