Greene, H. 1989 July 14 (continued) Lachesis muta at Sura 165m sleeping - head down as before. Checked the Contarara, but found no further snakes. July 15 Cool and overcast all morning - took a map. After lunch Ardell saw a Nasua chase and almost catch (he scared it) an adult ? Basiliscus plumifrons in the lab clearing. From ~1430-1630 I looted Richard Foster, Chances? (his nephew), and Carol Fassetli (all from Partridge films - working on a snake picture) around the CCC-CCL loops, but we saw nothing. After dinner found the Lachesis muta as it has been. Dave, Ardell, Richard et al. went out after dark to CFS 700 and the Contarara but saw no snakes. Earlier (daytime) Ardell got a Bothrops nasutus near CES 500 (~480+53mm, 98g, ?-maybe gravid). July 16 From 0830-1115 hr I walked SOR-Holdridge-Suampo-Camino Gerthel to 1200m and back in via CCL and SOR. Before I left Cathy Pringle saw a small Erythrolamprus minimus (223+39mm, 5.2g) cross the sidewalk into palm litter in the lab clearing. When held it thrashed, tail coiled, expelled cloacal liquid, and elevated its flattened head and neck. At 0852 hr I caught an adult ? Spilotes pullatus (1760+590mm, 780g) just before the origin of SHO or SOR. The snake extended out of woods onto the trail w/ its entire body in fight spirals! The resemblance to