The records, written or printed on great sheets of a curiously tenacious cellulose fabric were bound into books that opened from the top, and were kept in individual cases of a strange, extremely light, rustless metal of greyish hue, decorated with mathematical designs and bearing the title in the Great Race's curvilinear hieroglyphs. These cases were stored in tiers of rectangular vaults-like closed, locked shelves - wrought of the same rustless metal and fastened by knobs with intricate turnings. My own history was assigned a specific place in the vaults of the lowest or vertebrate level - the section devoted to the culture of mankind and of the furry and reptilian races immediately preceding it in terrestrial dominance. But none of the dreams ever gave me a full picture of

