Lethe Lethe In Greek mythology, Lethe (Greek: , "Lḗthē"; , ) was one of the five rivers of the underworld of Hades. Also known as the "Ameles potamos" (river of unmindfulness), the Lethe flowed around the cave of Hypnos and through the Underworld, where all those who drank from it experienced complete forgetfulness. Lethe was also the name of the Greek spirit of forgetfulness and oblivion, with whom the river was often identified. In Classical Greek, the word lethe (λήθη) literally means "oblivion", "forgetfulness", or "concealment". It is related to the Greek word for "truth", "aletheia" (ἀλήθεια), which through the privative
The Complete Guide to Prehistoric Life then divided into three parts by era, first of which is The Rise of Life, which covers the Precambrian and the Paleozoic Era, and lasts from pages 8 through 49. The second part, The Age of Reptiles, covers the Mesozoic Era, and lasts from pages 50 through 143. The third and final part, The Age of Beasts, covers the Cenozoic Era, and lasts from pages 144 through 206. The book concludes with a timescale of life on earth, tree of life diagrams, and the acknowledgements and index. The Complete Guide to Prehistoric Life The Complete Guide to Prehistoric Life is