Capnomancy
Was the observation of smoke, which consisted in two principal methods. The more important was the smoke of the sacrifices, which augured well if it rose lightly from the altar, and ascended straight to the clouds; but the contrary if it hung about. Another method was to throw a few jasmine or poppy seeds upon burning coals. There was yet a third practice by breathing the smoke of the sacrificial fire.
Caqueux or Cacoux: Formerly a caste of rope-makers dwelling in Brittany, who in some of the cantons of that country were treated as pariahs, perhaps because the ropes they manufactured were to the people the symbols of slavery and death by hanging. Be that as it may, they were interdicted from entering the churches, and were regarded as sorcerers. They did not hesitate to profit by this evil reputation, but dealt in talismans which were supposed to render their wearers invulnerable, and also acted as diviners. They were further credited with the ability to raise and sell winds and tempests like the sorcerers of Finland It is said that they were originally of Jewish origin, separated like lepers from other folk. Francois II, Duke of Brittany, enacted that they should Carver, Jonathan, Narrative of (See Divination.) Carver wear a mark composed of red cloth on a part of their dress where it could be readily seen. (See Cambry, Voyage dans le Finistére, t.3, p. 146).