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fetus in the womb; also, the similar membrane investing many ova at certain stages of development.

The Indian four-horned antelope; the chikara.

ges of color in the translucent skin of such animals as possess them. They are highly developed and numerous in the cephalopods.

An embryonic cell which develops into a pigment cell.

re 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.

ographic picture taken upon paper prepared by the use of a sensitive salt of iron and developed by the application of chloride of gold. Abney.

e germinating point in the embryo of a seed; the point in the yolk of an egg at which development begins.

An epoch at the close of the American lower Silurian system. The rocks are well developed near Cincinnati, Ohio. The group includes the Hudson River and Lorraine shales of New york.

To become clabber; to lopper.

A division of passerine birds in which the vocal muscles are but little developed, so that they lack the power of singing.

One of a pair of male copulatory organs, developed on the anterior side of the ventral fins of sharks and other elasmobranchs. See Illust. of Chimæra.

A soft or sloppy lump or mass; as, to throw a clatch of mud.

Clear or net profit. Trollope.

An instrument for determining the dip of beds or strata, pr the slope of an embankment or cutting; a kind of plumb level. Dana.

To darken or obscure, as if by hiding or enveloping with a cloud; hence, to render gloomy or sullen. One day too late, I fear me, noble lord, Hath clouded all thy happy days on earth. Shak. Be not disheartened, then, nor cloud those looks. Milton. Nothing clouds men's minds and impairs their honesty like prejudice. M.…

One of the small bulbs developed in the axils of the scales of a large bulb, as in the case of garlic. Developing, in the axils of its skales, new bulbs, of what gardeners call cloves. Lindley.

One of the cells which, in the Coelenterata, develop into cnidæ.

An Australian parrot (Calopsitta Novæ-Hollandiæ); -- so called from its note.

depressed at will. There are several genera and many species; as the broad-crested (Plictolophus, or Cacatua, cristatus), the sulphur-crested (P. galeritus), etc. The palm or great black cockatoo of Australia is Microglossus aterrimus. Cock"a*trice, n. Etym: [OF. cocatrice crocodile, F. cocatrix, cocatrice. The word is…

A perennial American herb (Caulophyllum thalictroides), whose roostock is used in medicine; -- also called pappoose root. The name is sometimes also given to the Cimicifuga racemosa, and to two species of Actæa, plants of the Crowfoot family.