The civil laws of marriage are exposed in the Institutes, (l. i. tit. x.,) the Pandects, (l. xxiii. xxiv. xxv.,) and the Code, (l. v.;) but as the title de ritu nuptiarum is yet imperfect, we are obliged to explore the fragments of Ulpian (tit. ix. p. 590, 591,) and the Collatio Legum Mosaicarum (tit. xvi. p. 790, 791), with the notes of Pithaeus and Schulting. They find in the Commentary of Servius (on the 1st Georgia and the 4th Aeneid) two curious passages.