We present a search for new heavy particles, X, which decay via
X --> WZ0 --> e nu + jj in p anti-p collisions at s**(1/2) = 1.8 TeV. No evidence
is found for production of X in 110 pb-1 of data collected by the Collider
Detector at Fermilab. Limits are set at the 95% C.L. on the mass and the
production of new heavy charged vector bosons which decay via W' --> WZ0 in
extended gauge models as a function of the width, Gamma(W'), and mixing
factor between the W' and the Standard Model W bosons.