Greene, H. 1987 29 November As we headed for the CES, I dropped in the back (continued) door of the "new lab" to tell Jenny Korner about the spiders, was in there < 2 minutes, and when I came out ran right into an adult ♀ Bothrops asper crawling across the door mat by the boot rack! Hooked her onto the smooth parch, then required ≈10 minutes to get her into a trash can. She changed directions rapidly, often sliding a body length or more in an instant. At least once she crawled more than a meter at me. Several times she advanced up my book, and once I had to drop it. Never vibrated the tail, never gaped, and never struck. Always seemed very alert, nervous, ready to go at me. At 2150 I failed for the second night in a row to locate the huge ♀ B. asper on CES. 30 November At ≈0710 I spotted the big Bothrops asper, coiled under the fallen log, less than 1 m from her site 2. She was also there at 1400hr (head has changed position), 1650hr, and 1945hr. Between ≈1100-1200 I photographed Iguanas in a tree by the N. end of the bridge, a big orange ♂ basking and occasionally head-nodding on a large branch, and a smaller (but larger than