467. V. THAT CONCUBINAGE IN SEPARATION FROM THE WIFE, WHEN ENGAGED IN FROM CAUSES LEGITIMATE, JUST, AND TRULY WEIGHTY, IS NOT UNLAWFUL. What causes are meant by legitimate, by just, and by truly weighty, will be stated in their order. Here a bare mention of the causes is premised, that the concubinage to be treated of in what now follows may be distinguished from the former concubinage.