1.   Cooled by ceiling fans and large screened windows and featuring distressingly thin walls, the bungalows look across the Platanar River to Arenal.

2.   Investigators believe that a silencer may have been used to muffle the gunshots, which were fired through a screened back window.

3.   Snapping on a flashlight, I slipped from beneath the mosquito netting and aimed the beam through the screened window.

4.   The screened windows will be covered with Plexiglas for the winter.

5.   Mosquito control programs, air conditioning and well-built homes with screened windows prevent its return in the modern world.