Clients, duties to lawyers, 2651 b.

Coercion, as obstacle to consent, 40; effect on voluntariness of acts, 52.

Coition, Unnatural, form of impurity, 2534 b.

Commandments, natural and supernatural, 330; of faith, 913 sqq.; hope, 1092 sqq.; charity, 1547 sqq.; prudence, 1657; justice, 2434-2436; fortitude, 2458-2460; temperance, 2572.

Commandments, Ten, 2436 sqq.

_Commodatum_, 1749 a.

Communication, Dangerous, 882 sqq.; civil and religious communication, 882; when non-religious communication is sinful, 883; when religious communication is sinful, 884; communication in worship, 956 sqq.; private and public, 956; participation of non-Catholics in Catholic worship, 957-958; restriction of this participation, 959; performance of Catholic rites by non-Catholics, 960.

Communion, Holy, minister, 2703; recipient of the Eucharist, 2704; persons who may receive Communion, 2704 a; persons who must receive Communion, 2704 b; requirements in candidates for First Communion, 2704 b; dispositions for worthy Communion, 2705; confession, preparation and thanksgiving, 2705 a; Rite in which Communion may be received, 2705 a; dispositions of body (Eucharistic fast and external reverence), 2705 b; necessary dispositions for frequent Communion, 2706 a; useful dispositions for frequent Communion, 2706 b; duties of parents, pastors and confessors in reference to Communion, 2707. See also Eucharist, Holy.

Commutations, involuntary, 1748 a; voluntary, 1748 b.

Commutative Justice, see Justice.