“All the various changes in their presences began for the most part after the second misfortune occured to this planet, during which misfortune the chief continent of that ill-fated planet, then existing under the name ‘Atlantis ‘, entered within the planet. [BTG XIV]

“During this second serious catastrophe to that planet, the continent Atlantis, which had been the largest continent and the chief place of the being-existence of the three-brained beings of that planet during the period of my first descent, was engulfed together with other large and small terra firmas within the planet with all the three-brained beings existing upon it, and also with almost all that they had attained and acquired during many of their preceding centuries. [BTG XIX]