Place 4 martini glasses or wine goblets in the refrigerator.
Shuck the oysters. Place 6 oysters, with their juice, in each chilled glass. (Fresh, cleaned oysters can be reserved in the refrigerator for up to 6 hours.) Spoon the salsa into the glasses. Stir to combine. Sprinkle with the diced onion and cilantro and serve with squeezed lime wedges and Fried Tortilla Chips.
c.1997, M.S. Milliken & S. Feniger, all rights reserved