41.   But they found no trace of what they sought.

42.   By early afternoon, the six remaining dogs had searched two of the canyons without finding traces of the runaway.

43.   Detectives there could find no trace of him.

44.   Earlier U.S. tests had found traces of chemicals linked to VX, a deadly nerve gas .

45.   European agriculture authorities in Brussels said they had found traces of growth hormones in imported American beef, which violates a European prohibition.

46.   Freighters passing through the remote section of ocean between New Zealand and Chile found no trace.

47.   Having found no trace of the particles in the nearby terrain, the researchers will now reach further out.

48.   He has also found traces of western German dialects.

49.   He found no trace of bonded servitude.

50.   He subsequently said authorities had found traces of a plastic explosive in the wreckage.