The Troglodykes are cave-dwellers who have turned their back on civilization. Written communication with the outside world, however, is conducted in a specially adapted form of (Elizabethan) english but scrutiny of this alphabet will demonstrate they have little patience with phoenecian/arabic numerals, preferring roman.

Their barter system, naturally enough, centres around gems: lesser stones progressing through the more highly prized: ruby, sapphire, diamond, and on to gems unknown to the outside world, referred to as "bismals".

Procreation has not been observed; differences between the genders (if any) are hard to discern, but are reputed to involve rare earths and music.