present at the Mass, and particularly on those
who serve it, and the fourth on all the faithful who are in communion
with the Church.

Q. 924. Are all Masses of equal value in themselves or do they differ in
worth?
A. All Masses are equal in value in themselves and do not differ in
worth, but only in the solemnity with which they are celebrated or in
the end for which they are offered.

Q. 925. How are Masses distinguished?
A. Masses are distinguished thus: (1) When the Mass is sung by a bishop,
assisted by a deacon and sub-deacon, it is called a Pontifical Mass; (2)
When it is sung by a priest, assisted by a deacon and sub-deacon, it is
called a Solemn Mass; (3) When sung by a priest without deacon and
sub-deacon, it is called a Missa Cantata or High Mass; (4) When the Mass
is only read in a low tone it is called a low or private Mass.

Q. 926. For what end or intention may Mass be offered?
A. Mass may be offered for any end or intention that tends to the honor
and glory of God, to the good of the Church or the welfare of man; but
never for any object that is bad in itself, or in its aims; neither can
it be offered publicly for persons who are not members of the true
Church.

Q. 927. Explain what is meant by Requiem, Nuptial and Votive Masses.
A. A Requiem Mass is one said in black vestments and with special
prayers for the dead. A Nuptial Mass is one said at the marriage of two
Catholics, and it has special prayers for their benefit. A Votive Mass
is one said in honor of some particular mystery or saint, on a day not
set apart by the Church for the honor of that mystery or saint.

Q. 928. From what may we learn that we are to offer up the Holy
Sacrifice with the priest?
A. We may learn that we are to offer up the Holy Sacrifice with the
priest from the words used in the Mass itself; for the priest, after
offering up the bread and wine for the Sacrifice, turns to the people
and says: "Orate Fratres," &c., which means: "Pray, brethren, that my
sacrifice and yours may be acceptable to God the Father Almighty," and
the server answers in our name: "May the Lord receive the sacrifice from
thy hands to the praise and glory of His own name, and to our benefit
and that of all His Holy Church."

Q. 929. From what did the custom of making an offering to the priest for
saying Mass arise?
A. The custom of making an offering to the priest for saying Mass arose
from the old custom of bringing to the priest the bread and wi