De sollertia animalium

Πότερα τῶν ζῴων φρονιμώτερα τὰ χερσαῖα ἢ τὰ ἔνυδρα Plutarch. Plutarchi Chaeronensis Moralia, Vol. VI. Vernardakēs, Grēgorios N., editor. Leipzig: Teubner, 1895.

Which are the most crafty, water-animals or those creatures that breed upon the land? (eng) Plutarch. Plutarch's Morals, Vol. V. Goodwin, William W., editor; Philips, John, translator. Boston: Little, Brown, and Company, 1874. Whether land or sea animals are cleverer (eng) Plutarch. Moralia, Vol. XII. Cherniss, Harold, and Helmbold, William C., translators. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1957 (printing).