A figure of Greek mythology: A giant with 100 eyes who was made guardian of Io and was later slain by Hermes.
This was a small revenue boat at San Francisco that served from 1850 to mid-1853.
Cutter files, USCG Historian's Office. Canney, Donald L. U.S. Coast Guard and Revenue Cutters, 1790-1935. (Annapolis, MD: Naval Institute Press, 1995).