  We derive the definition of the Berry phase for the adiabatic transport of a
composite fermion (CF) in a half-filled composite Fermi-liquid (CFL). It is
found to be different from that adopted in previous investigations by Geraedts
et al. For the standard CFL wave function, we analytically show that the Berry
curvature is uniformly distributed in the momentum space. For the Jain-Kamilla
wave function, we numerically show that its Berry curvature has a continuous
distribution inside the Fermi sea and vanishes outside. We conclude that the CF
with respect to both the microscopic wave-functions is not a massless Dirac
particle.
