We show that only additivity of inverse Regge slopes is consistent wit
h both the formal chiral limit m(n) --> 0 and the heavy quark limit M(
Q) much greater than M(n), where n = u,d, and rn,M are current and con
stituent quark masses, respectively. (C) 1998 Published by Elsevier Sc
ience B.V. All rights reserved.