        “A domehouse.”  He tapped the next two drawings.  “These seem smilar, although the drawing suggests they are made out of cloths.  The walls on this may be woven.  This one here, at the bottom, has its floor supported off the ground, although it is lacking any means of getting up to the house.  Either the creatures fly in, or they have to jump.  It may be constructed in water; if so, it is constructed so that rising and falling tides do not get it wet.  Or even changes in river level, if it is built in a river.”