This is the prescribed reading for the Tuesday after the Third Sunday of Epiphany:

The Psalm Appointed:

Psalm: 71 (page 357 BCP)

Lessons:

First Reading:

A Reading, beginning with the first verse, of the twenty-seventh chapter of the Book of Genesis.

Second Reading:

A Reading, beginning with the fifteenth verse, through the thirty-first verse of the fourteenth chapter of the Gospel of our Lord Jesus Christ, according to St. John.

Collect:

A Collect for Thomas Aquinas, Fria, Priest, and teacher of the Faith, 1274

The Third Sunday of Epiphany: The Manifestation of Christ to the Gentiles

Supplemental Canticle:

Surge, Illuminare (page 80 BCP)