Lloyd Morgan's Canon is usually represented as a brave step towards me
chanistic behaviourism. Morgan himself, however, was convinced that th
e behaviour of animals and humans could only be treated in intentional
ist terms. In fact, not only the spirit but the details of his Canon h
ave been consistently misunderstood. It was turned around by Neo-Carte
sians within psychology and evolutionary biology to attack the very gr
ound that Morgan shared with Darwin-the-assumption that organisms are
''no mere puppets in the hand of circumstances.'' Morgan did not formu
late his Canon in 'revolt'' against Romanes's anthropomorphic approach
to comparative psychology. An examination of Morgan's early views rev
eals that his Canon represented a move towards, not against, Romanes's
idea of an animal psychology. Before the Canon, Morgan had denied the
very possibility of a comparative psychology.