40 While the main treatises on the poetic art are, in general, Snorri’s, the treatises on grammar, and rhetoric have been, with more or less certitude, assigned to other writers of the twelfth and thirteenth centuries. […] The loud Ocean heard, To its blue depth stirred, And divided at her prayer; And under the water The Earth’s white daughter Fled like a sunny beam; Behind her descended Her billows unblended With the brackish Dorian stream: — Like a gloomy stain On the emerald main, Alpheus rushed behind, — As an eagle pursuing A dove to its ruin Down the streams of the cloudy wind.