Journal San Jose + vicinity, San Jose Prov. Costa Rica July capture was a single Sigmodon hispidus caught by Phil. Spent the rest of the day karyotyping etc., in the lab at UCR. At ~1400 Phil + I drove back towards Escazu to try some more trapping. The director at the lab told Duke there was a patch of mature forest near Villa Colon, so we went to look for it - got to a town on the other side of Escazu, but couldn't find a forest. It was already 1700, so after looking around for awhile + asking a few questions (no good answers...) we set a few traps in a patch of disturbed forest 1km W, 4km N of Escazu. Dense growth of brush, tall grasses, vines in understory. Some of the large trees were bearing fruit and many bats appeared at dusk - large-winged span 50! easily over cm - prob. Artibeus (?). Area surrounded by coffee plantings or cattle pastures. Doesn't really look that promising. Overcast, but no rain. San Jose + vicinity, San Jose Prov. Costa Rica 18 July Arose 0030. Went with Phil to check traps (I set 30, Phil set 50). Both got zilched. Drove to Villa Colon, further down the road (Hwy 7) after realizing that the town we had stopped in was Sta. Ana rather than Villa Colon. Still no sign of a forest. Went back to UCR, spent the day working in the lab. The director showed me on a map where the forest is - just NW of Villa Colon. It's going to be the future site of Universidad de la Paz...