Free, H. 1984 19 June (continued) I don't think I caused the movement. Until that movement the snake seemed "asleep" and was positioned such that it's head faced into the Welfia frond shelter, seemingly not a good posture from which to ambush anything. But it surely moved fast! at 1645h the B. asper's coil had shifted a little to the left N; head down, facing WSW; 39/30 j ground, 25.0°; air, 25.2°. at 2020h, snake same 29/30. Cathy Propper (Oregon St. U.) saw a dark snake chase an Ameire at 1027h in the Arboretum, for x 20m down a slope. She wasn't sure if it was Spilotes or Mastigodryas. At 1805h I caught an adult ( gravid ?) Corallus annulatus crawling on a wicker bench behind the dining hall; snake was fairly calm, but snapped suddenly when held behind the head. During a later photo session its behavior was the same - very tranquil if handled gently. 20 June at 0816h we found the big Bothrops asper x 10-15" NW of last position, in flat coil, 27/30. at 1700h during a heavy rain, the snake is almost completely concealed under the same Welfia frond. As we started back in the downpour ( sky very dark ) we found a large adult Bothrops neocutus crawling away from the boardwalk in leaves at the jet, of CCL and SOR. This morning two big [illegible] Box constructo