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ent and capable of changing its form or size, thus causing changes of color in the translucent skin of such animals as possess them. They are highly developed and numerous in the cephalopods.

A reflecting telescope, part of which is made to rotate eccentrically, so as to produce a ringlike image of a star, instead of a point; -- used in studying the scintillation of the stars.

An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame.

z, Count of Bivar, a champion of Christianity and of the old Spanish royalty, in the 11th century.

A genus of trees growing naturally on the Andes in Peru and adjacent countries, but now cultivated in the East Indies, producing a medicinal bark of great value.

See Center.

Rolled together downward, the tip occupying the center; -- a term used in reference to foliation or leafing, as in ferns. Gray.

A circle; a concentric layer. [Obs.] "The circinations and spherical rounds of onions." Sir T. Browne.

circumference, every part of which is equally distant from a point within it, called the center.

To mark with the circumflex accent, as a vowel. [R.]

A character, or accent, denoting in Greek a rise and of the voice on the same long syllable, marked thus [~ or Accent, n., 2.

Condition of being circumjacent, or of bordering ou every side.

ics of, citric and aconitic acids. Citraconic acid (Chem.), a white, crystalline, deliquescent substance, C3H4(CO2H)2, obtained by distillation of citric acid. It is a compound of the ethylene series.

To scent or perfume with civet. Cowper

sion; to interfere. However some of his interests might clash with those of the chief adjacent colony. Palfrey.

Rapid, noisy talk; babble; chatter. "Hold still thy clatter." Towneley Myst. (15 th Cent. ). Throw by your clatter And handle the matter. B. Jonson

Habitually clean; pure; innocent. "Cleanly joys." Glanvill. Some plain but cleanly country maid. Dryden. Displays her cleanly platter on the board. Goldsmith.

Purity of life or language; freedom from licentious courses. Chaucer.

s to Alexandria, one of which is now on the Thames Embankment in London, and the other in Central Park, in the City of New York.

t. Though there were many clever men in England during the latter half of the seventeenth century, there were only two great creative minds. Macaulay. Be good, sweet maid, and let who will be clever. C. Kingsley.