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For λ, μ small, the equation x + g(x) = -λx + μf(t) is considered near a separatrix S of the unperturbed equation λ = μ = 0. We assume that S is composite of two symmetric loops, eachone being a homoclinic orbit having zero as α-and w-limit sets. A complete description is given of the bifurcation curves in (λ, μ) - space to homoclinic points in à neighborhood of S.