Watch-and marvel-as the renowned Lipizzan horses (the equine bluebloods of the world) prance, leap and strut in stately fashion Saturday night in ”A Country Summer Party” at the Tempel Good Luck Farm in Wadsworth. Sponsored by the Auxiliary Board of the Lincoln Park Zoological Society, the evening will feature cocktails, picnic-style dining, musical entertainment and dancing. But the highlight is sure to be a private performance by the white-maned stallions, which have delighted audiences for well over 400 years with their regal splendor. Proceeds will benefit the Lincoln Park Zoo`s Farm-in-the-Zoo. ”A Country Summer Party”; Tempel Good Luck Farm, 45 miles northwest of Chicago in Wadsworth, 935-6700; cocktails and picnic at 6 p.m. Saturday, followed by Lipizzan performance at 7:30 p.m.; $45 per person (reservations requested); special bus departs at 5 p.m. from Lincoln Park Zoo`s east gate
(Cannon Drive just south of Fullerton Avenue) for an additional $10 per person.