TRADE, BOARD OF, a Government office which, as now constituted, dates from 1786, but whose functions within recent times have been considerably widened; consists of a president (a Cabinet minister), and ex officio the Lord Chancellor, Archbishop of Canterbury, First Lord of the Treasury, the principal Secretaries of State, Chancellor of the Exchequer, the Speaker, and others, but the actual work of the Board is left in the hands of the president and his secretarial staff; comprises five departments:  (1) statistical and commercial; (2) railway; (3) marine; (4) harbour; (5) financial.

TRAFALGAR, CAPE, on the S. coast of Spain, at the NW. entrance of the Strait of Gibraltar; scene of naval engagements in which Nelson lost his life after inflicting (October 21, 1805) a crushing defeat on the combined fleets of France and Spain.

TRAJAN, MARCUS ULPIUS, Roman emperor, born in Spain; his great deeds in arms won him a consulship in 91, and in 97 Nerva invited him to be his colleague and successor; a year later he became sole emperor, ruled the empire with wisdom and vigour, set right the finances, upheld an impartial justice, and set on foot various schemes of improvement; suppressed the Christians as politically dangerous, but with no fanatic extravagance; remained above all a warrior and true leader of the legions, and crowned his military fame by his successful conquest of Dacia, in commemoration of which he is said to have erected the famous Trajan Column, which still stands in Rome (56-117).

TRAJAN’S COLUMN, a column erected by Trajan in the Forum at Rome in memory of his victory over the Dacians, and sculptured with the story of his exploits, is 125 ft. in height, and ascended by 185 steps; was surmounted by a statue of Trajan, for which Pope Sextus V. substituted one of St. Peter.

TRANSCAUCASIA, an extensive tract of Russian territory stretching E. and W. between the Caucasus (N.) and Turkey in Asia and Persia (S.).  See CAUCASIA.

TRANSCENDENTALISM, name now principally employed to denote the great doctrine of Kant and his school, that there are principles of a priori derivation, that is, antecedent to experience, that are regulative and constitutive of not only our thoughts but our very perceptions, and the operation of which is antecedent to and sovereign over all our mental processes; which principles are denominated the categories of thought; the name is also employed to characterise every system which grounds itself on a belief in a supernatural of which the natural is but the embodiment and manifestation.  See NATURAL SUPERNATURALISM.

TRANSMIGRATION, the doctrine prevalent in the East, that the soul is immortal, and that when it leaves the body at death it passes into another, a transition which in certain systems goes under the name of reincarnation.

TRANSUBSTANTIATION, the doctrine of Roman Catholics as defined by the Council of Trent, that the bread and wine of the Eucharist is, after consecration by a priest, converted mystically into the body and blood of Christ, and is known as the docrine of the Real Presence.