But unlike most other mayors, Mr. Bloomberg has been oddly reticent about publicizing the gains.

Unlike other mayors in Tunisia, the mayor in Tunis is appointed by decree of President of the Republic among the members of the City Council.

Mr. Giuliani's broadside reflects the complaints lodged by many of his predecessors, but unlike previous mayors, he vowed to do something about it though he did not say what.

Unlike mayors in most American cities, the mayor in New York has tremendous power - and local resources - in shaping housing policy.

But unlike big-city mayors who shake hands and kiss babies for show, Mr. Rendell has much to be proud of.

Unlike previous mayors, Crome doesn't wear the traditional mayoral robes, he opts to wear the white rubber coat that he wore during his time as an engineer.

Unlike most other mayors, he did not also serve as a city councillor at some other time.

But unlike other mayors, she will also have to contend with a Congress that has control over her budget and what many here regard as a penchant for micromanagement.

These labor leaders also noted that senators, unlike mayors, focus on national issues like health care, education and the minimum wage, where Mrs. Clinton's views often parallel labor's.

Deputy Mayor Dennis M. Walcott said that unlike previous mayors, Mr. Bloomberg had the authority to end social promotion.