Lot Essay
Cf. K. Shepard, The Fish-Tailed Monster in Greek and Etruscan Art, New York, 1940, for a discussion of imaginary marine beasts, where she writes "The most sinister of marine monsters after Skylla is the ketos, dog-headed to symbolize the barking of the waves, and evidently given to preying upon ships, if we are to trust the Minoan prototype. By the fifth century he is tamed and riden by Nereids."