Here, lt. 1990 December 17 (continued) Jumped, ascended ≈40cm to next highest branch and started out it - thus ≈1.6m in 8 minutes. When traveling up the snake extended its anterior free of the substratum. When I returned about 2020hr I couldn't find the snake, and some tourist whom I had directed to it told me it had climbed even higher. There are numerous Hyla elachia and some H. microphala collig, and we saw a pair of the former in amplexus. At 2100hr I spotted an equal sized small adult D. irroratus 1.2m above ground, descending a few cm from a palm leaf to the adjacent trunk of the same tree where I saw this (?) snake higher up on December 14. Snake seemed to freeze in our light so I took photos and left it. Went to the Arboretum 2200-1300hr, 0100-0200hr, and 0400-0500hr to help Elizabeth Star (