The Smith and James (1978) inclusion of Byram
(1959) fire intensities for four experimental burns
conducted on 0.225-ha trembling aspen (Populus tremuloides
Michx.) plots in southern Ontario represents an
admirable effort. The authors had been criticized (Van
Wagner and Methven 1978) for inadequate description
of fire behavior in an earlier paper (James and Smith
1977) on these same four fires