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A division of annelids in which the gills arise from or near the head. See Tubicola.

cocoanut oil, etc., united with glycerin; they are colorless oils, or white crystalline solids, of an unpleasant odor like that of goats or sweat.

extinguishing flame, and when breathed destroys life. It can be reduced to a liquid and solid form by intense pressure. It is produced in the fermentation of liquors, and by the combustion and decomposition of organic substances, or other substances containing carbon. It is formed in the explosion of fire damp in mines…

rising and setting of the sun, the zenith and nadir. -- Cardinal signs (Astron.) Aries, Lidra, Cancer, and Capricorn. -- Cardinal teeth (Zoöl.), the central teeth of bivalve shell. See Bivalve. -- Cardinal veins (Anat.), the veins in vertebrate embryos, which run each side of the vertebral column and returm the blo…

Having the quality of consolidating broken bones.

ame column at different times. It consists of a telescopic leveling apparatus (d), which slides up or down a perpendicular metallic standard very finely graduated (bb). The telescope is raised or depressed in order to sight the objects or surfaces, and the differences in vertical height are thus shown on the graduated…

plane. -- Caustic lime. See under Lime. -- Caustic potash, Caustic soda (Chem.), the solid hydroxides potash, KOH, and soda, NaOH, or solutions of the same. -- Caustic silver, nitrate of silver, lunar caustic. -- Caustic surface (Optics), a surface to which rays reflected or refracted by another surface are tangen…

A perennial herbaceous plant (Chelidonium majus) of the poppy family, with yellow flowers. It is used as a medicine in jandice, etc., and its acrid saffron-colored juice is used to cure warts and the itch; -- called also greater celandine and swallowwort. Lasser celandine, the pilewort (Ranunculus Ficaria).…

The substance which constitutes the essential part of the solid framework of plants, of ordinary wood, linen, paper, etc. It is also found to a slight extent in certain animals, as the tunicates. It is a carbohydrate, (C6H10O5)n, isomeric with starch, and is convertible into starches and sugars by the action of heat an…

A process which consists in surrounding a solid body with the powder of other substances, and heating the whole to a degree not sufficient to cause fusion, the physical properties of the body being changed by chemical combination with powder; thus iron becomes steel by cementation with charcoal, and green glass becomes…

A movable or sliding keel formed of a broad board or slab of wood or metal which may be raised into a water-tight case amidships, when in shallow water, or may be lowered to increase the area of lateral resistance and prevent leeway when the vessel is beating to windward. It is used in vessels of all sizes along the co…

A kind of annelid larva with a circle of cilia around the head.

A white waxy solid obtained from Chinese wax, and by the distillation of cerotin.

rtificate the decree is usually founded. Blackstone. Certified check, A bank check, the validity of which is certified by the bank on which it is drawn.

ng to, or derived from, spermaceti. Cetylic alcohol (Chem.), a white, waxy, crystalline solid, obtained from spermaceti, and regarded as homologous with ordinary, or ethyl, alcohol; ethal; - - called also cetyl alcohol.

A very extensive order of Annelida, characterized by the presence of lateral setæ, or spines, on most or all of the segments. They are divided into two principal groups: Oligochæta, including the earthworms and allied forms, and Polychæta, including most of the marine species.

A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands.

ng chat (I. longicauda). In Europe the name is given to several birds of the family Saxicolidæ, as the stonechat, and whinchat. Bush chat. (Zoöl.) See under Bush.

A bird of the family Ampelidæ -- so called from its monotonous note. The Bohemion chatterer (Ampelis garrulus) inhabits the arctic regions of both continents. In America the cedar bird is a more common species. See Bohemian chatterer, and Cedar bird.

rd of milk, coagulated usually with rennet, separated from the whey, and pressed into a solid mass in a hoop or mold.