31.   In this still, austere world, a few dark birds and a distant airplane were the only signs of life.

32.   Infection of any kind is one of the most common causes, and delirium can be the only sign of the underlying physical illness.

33.   Kidnappings were not the only sign of the lawlessness that infected Chechnya.

34.   Markers at the original sites of many synagogues are the only signs of their existence, Grellert said.

35.   Nor is the heckling of Wolfowitz the only sign.

36.   Now and then, a fish quivers its fins lethargically as it settles into the box, but that is the only sign of life.

37.   Nor is it the only sign of the hostility that surrounds him in this predominately Arab neighborhood.

38.   Now, the only sign of its famously eclectic art collection is the dozens of hooks dimpling the walls.

39.   Off to the west, the white tile roofs of a condo village rising above the holly-green mangroves were the only sign of civilization.

40.   On Sunday, the crowds outside the villa were gone, the only sign of the drama that unfolded there being the teams of police that saturated the area.