During the full development of the Atlantean Race, one of its sub-races, the Semitic sub-race, had appeared with the special mission of forming a physiological and mental man of a type eventually fit for the formation of the type belonging to the Aryan Race.
There were two great glacial periods during the Atlantean era, followed by other less intense periods, which lasted one Saturn year (30 years). This was a natural reaction against quite torrid periods on the Earth.
A powerful race was emerging among rough and uninhabited Atlantean ranges.
The Tlavatlis grew stronger and more tenacious, agile and resistant under the rigorous Saturn winter, in need of everything and bound to fight against elementals and antediluvian monsters.