E. Henske 1982 Journal Cañas to Tilarán, Guanacaste Prov., Costa Rica July very patchy - Duke caught (6 of his 7 in a series of 10 traps set along forest edge, for ex. [illegible] [illegible] Headed along Hwy 19 to Tilarán to look for some good Heteromys habitat. The forest here is much more wet- lusher understory. Again, the forest occurs in patches + there is much cattle grazing, but some of the patches seem to be fairly extensive - especially the riparian zones along rivers - and they tend to form a mosaic (lots of them possibly bordering each other or sep. by small strips of pasture). Had breakfast in Tilarán, then stopped at a shady spot outside of town to snuff + stuff the Liomys. (6 were kept alive, the other 10 had tissues taken + were stuffed or preserved in alcohol (1 escaped...). We each set a line of 30 in a strip of riparian forest 4.1 km NE of Tilarán (c50m.). Strip only ~ 50 m wide with river down center. Many vines, leaf litter floor- some places along edge clean of vines + saplings with dense herbaceous ground cover between trees. I saw two small armadillos in this vegetation (Dasypus novemcinctus?) and watched them until they went down into a small burrow at the base of some herbaceous vegetation ~ 1m tall. Burrow entrance ~ 30 cm across. Lots of sign of