21.   He said authorities had not clearly specified the nature of the fraud.

22.   He would not specify the nature of those complaints.

23.   His family said his death followed a long illness but did not specify its nature.

24.   Officials would not specify the nature of those objectives.

25.   Seltzer said Monday that Brown had a fever, but she declined to specify the nature of the infection.

26.   The Council did not specify the nature of the scientific information.

27.   The government did not specify the nature of the ailment or where Chamorro would be treated.

28.   The exact nature was not specified, and investigators are continuing to check the flood of complaints from local residents, the Interfax news agency quoted him as saying.

29.   The magazine did not specify the nature of the illness.

30.   The official, speaking on condition of anonymity, would not specify the nature of the items or say whether they pertained to banned weapons programs.