Jason White, the 27-year-old back-row forward, will captain Scotland in the 2006 RBS Six Nations Championship.
Scotland coach Frank Hadden said: "Jason led by example with outstanding personal performances in our Autumn Tests.
"That is only one of the reasons why I did not hesitate to invite him to have another crack."
White said: "I really enjoyed being captain in the November Tests. To be asked to lead my country again is a vote of confidence from Frank.
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"Personally, and as a group of players, we cannot wait for the championship to start and we look forward to putting in some better performances."