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e ratio of the oxygen of the silica to the oxygen of the base is as two to one. The bisilicates include many of the most common and important minerals.

s substances. It was formerly used in medicine. It is composed essentially of hydrous silicates of alumina, or more rarely of magnesia. See Clay, and Terra alba.

he nature of a mortgage, by which the owner of a ship, or the master as his agent, hypothecates and binds the ship (and sometimes the accruing freight) as security for the repayment of money advanced or lent for the use of the ship, if she terminates her voyage successfully. If the ship is lost by perils of the sea, th…

That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit. But still his native country lies Beyond the boundaries of the skies. N. Cotton. That bright and tranquil stream, the boundary of Louth and Meath. Macaulay. Sensation and refle…

One who advocates the Brunonian system of medicine.

A very large species of frog (Rana Catesbiana), found in North America; -- so named from its loud bellowing in spring.

whether the skull really belonged to the deposit in which it was found. If it did, it indicates an unprecedented antiquity for human beings of an advanced type.

That which drives or carries; as: (a) A piece which communicates to an object in a lathe the motion of the face plate; a lathe dog. (b) A spool holder or bobbin holder in a braiding machine.

Food. [Obs.] See Cates.

od, 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 and acids. When pure, it is a white amorphous mass. See Starch, Granulose, Lignin. Unsized, well blea…

ent cannot resign, when they wish to go out they accept this stewardship, which legally vacates their seats.

One who communicates thoughts by signs made with the hands and fingers.

ls, usually of a green color and micaceous to granular in structure. They are hydrous silicates of alumina, iron, and magnesia. Chlorite slate, a schistose or slaty rock consisting of alumina, iron, and magnesia.

One who joins or promotes a coalition; one who advocates coalition.

One who communicates. Foxe.

ation; to communicate motion by means of a crank. Where God is worshiped, there he communicates his blessings and holy influences. Jer. Taylor.

One who communicates. Boyle.

One who confiscates. Burke.

ian addressed to Olybrius, then prefect of Rome, for the regulation of the conduct of advocates. George Long. Apostolic constitutions. See under Apostolic.

One who advocates a constitutional form of government; a constitutionalist.