Regarded in ancient times as a symbol of safety.

A missionary and student of Indian languages. (1550-1605)

A titular metropolitan see of Cilicia (Lesser Armenia), suffragan of Antioch.

The science of the form and structure of living beings.

Patriarch of Constantinople, anti-Nestorian, anti-Eutychian. Some say he was killed by heretics in 458.

Third-century bishop of Laodicea, mathematician, scientist, philosopher.

Virgin and martyr, was denounced as a Christian and put to death by the sword in the Decian persecution.

Includes several mentioned by this name.

Placed on high, suspended, set aside.

Bishop of Antioch, exiled by the emperor, restored to his see in 593 by St. Gregory the Great. Anastasius died in 598.

A former magician and soldier, converted to Christianity, became a monk. He was martyred in 628.

Profile of the seventh-century abbot of the monastery of Mt. Sinai, vociferous opponent of the Monophysites and Monothelites, writer.

Reigned 1153-1154.

Reigned 911-913.

Reigned 496-498.

Article on the pope remembered chiefly for condemning Origenism, d. 401.

Librarian of the Roman Church. (810-879)

Name of four ancient sees.

Article on this martyr, whose feast day is 25 December. Attracted a cultus at Rome in the late fifth century, and a sixth-century legend makes her a Roman matron, though martyred elsewhere.

An absence of law.

A liturgical term in the Greek Rite.

The process by which anything complex is resolved into simple, or at least less complex parts or elements.

A philosophical term used to designate, first, a property of things; secondly, a process of reasoning.