Terrestrial soul (basharic or human embryonic soul)

A soul that results from the culminating flux of earth’s vital essence. This soul, which is individuated, is removed from higher-order animal souls by just one degree in its process of perfection and retains the quintessential effects of all its past constituent souls (from mineral to animal). It imparts “life” to the physical body of human beings and transfers its animal traits to the human psyche, leading to the formation of the id.

(Chap. 8, p. 100; Chap. 9, p. 105-6)