But it so happened that his festival fell at that period in early spring when birds were believed to pair, and when youths and maidens were accustomed to select partners for themselves or for others. This custom—which has been studied together with many allied primitive practices by Mannhard
8—was not always carried out on February 14, sometimes it took place a little later. In England, where it was strictly associated with St. Valentine's Day, the custom was referred to by Lydgate, and by Charles of Orleans in the rondeaus and ballades he wrote during his long imprisonment in England. The name Valentins or Valentines was also introduced into France (where the custom had long existed) to designate the young couples thus constituted. This method of sexual selection, half playful, half serious, flourished especially in the region between England, the Moselle, and the Tyrol. The essential part of the custom lay in the public choice of a fitting mate for marriageable girls. Sometimes the question of fitness resolved itself into one of good looks;