From the data , mean [Fe/H] values for the five clusters of -1.01 for M3, -0.68 for M5, -1.44 for M10,-1.699 forM13, and -1.96 for M92 (with errors of±o.3) have been derived. Evidence has been found that the masses of Horizontal and Asymptotic Brench star are systematically lower than those for Red Giant Branch members.