11.   A number of factors contribute to the unease, chief among them anger at the cost of the Yugoslav war.

12.   But according to a leaflet I picked up, snowshoeing in winter landscapes can be fraught with peril, getting lost chief among them.

13.   But chief among his enemies now is time.

14.   But chief among the buildings that have inspired her is a white clapboard mansard-roof house on the coast of Maine.

15.   But chief among the uses for watermarking is royalty-payment enforcement.

16.   But as investors headed into the Memorial Day weekend, skeptics of a DuPont-Amgen merger began to surface, chief among them officials at the two companies.

17.   But the matter of contraceptive coverage stood out as chief among them.

18.   Chief among its features is a streamlining of the baroque foreign policy establishment that grew up during the half-century contest with the former Soviet Union.

19.   Chief among such opponents could be Sen. Don Nickles of Oklahoma, the deputy leader.

20.   Chief among the Caspian prizes is the Tengiz oil field in Kazakhstan.