Fig. #1. The above is the graphic representation of the concept that is called The Blood-Mendella. Notice that the Lemurian cartouche is divided into two areas that are separated by the flowing of a river of blood. The top of the cartouche symbolizes a Ba that is outside of the physical body. It is free to travel, limited only by the limits that are placed upon it by past live's Karma.
The bottom of the cartouche symbolizes a Ba that has taken possession of, and resides in, a specific physical body. It, too, is limited only by its Karma and its limited freewill.
A little know piece of information, however, is that the color of the cartouche will determine the specific aspects, such as:
For more information about color, see Ka and Ba.