In a message dated 4/25/01 1:13:05 PM EST, twilliams_alpha@hotmail.com writes: << What primordial aerial locomotor function were these non-winged forelimbs used for then? >> First, climbing; then fluttering/parachuting/gliding (here / means "and/or"); then various kinds of pre-maniraptoran powered flying. Feathered, airfoil-like tail was also useful in some of these behaviors.