Testing the defensive reflexes as he pinches the knee of an infant. Two negatives: first shows Watson pinching knee and second shows the reflex. Testing the grasping reflex of an infant. Infant is tossed in air and seen clinging to rod with another person present to catch the infant if the reflex fails. Testing the Babinski reflex [?]. Includes all four snapshots. pictured individually and in pairs in other negatives.