The attachment at the bottom of the vertical handle is in the form of a siren. Part woman, part bird of prey, sirens were not only guardians of tombs but also creatures notorious for their seductive songs. The figure here is executed with the utmost refinement and appears delicately enmeshed in the surrounding spiral ornaments.
Richter, Gisela M. A. 1910. "Department of Classical Art: The Accessions of 1909. II. Bronzes." Bulletin of the Metropolitan Museum of Art, 5 (4): pp. 97-8, fig. 5.
Richter, Gisela M. A. 1915. Greek, Etruscan and Roman Bronzes. no. 80, pp. 52, 54, New York: Gilliss Press.
Richter, Gisela M. A. 1953. Handbook of the Greek Collection. pp. 83, 223, pl. 63c, Cambridge, Mass.: Harvard University Press.
von Bothmer, Dietrich. 1955. "Bronze Hydriai." The Metropolitan Museum of Art Bulletin, 13(6): p. 197.