Codex Vindobonensis Mexicanus I, p. 1.
Details: bottom left is an insect in a wedged mountain; top left an agave plant; also whirl water and a mountain with a tube.
Interpretation adapted from K. A. Nowotny, "Erläuterungen zum Codex Vindobonensis," Archiv für Völkerkunde 3 (Vienna, 1947), 156-200 at p. 185.