Abstract. We prove the existence of a continuous selection of the multivalued map £ -» &~(Ç), where ^"(i) is the set of all weak (resp. mild) solutions of the Cauchy problemassuming that F is Lipschitzian with respect to x and -A is a maximal monotone map (resp. A is the infinitesimal generator of a C0-semigroup). We also establish an analog of Michael's theorem for the solution sets of the Cauchy problem x(t) € F(t, x(t)), x(0) = £, .