71.   He is now a statistic, one of an unknown number of Turks believed to have disappeared while in police custody.

72.   How many are lost over the course of a lifetime is another unknown number.

73.   In recent years, too, an unknown number of Episcopal priests have quietly blessed same-sex unions, as have some other Protestant ministers and liberal rabbis.

74.   In the meantime, an unknown number of species have vanished while waiting in line as candidates.

75.   Interior Secretary Gale A. Norton testified last month that the bureau cannot produce records for an unknown number of Native American beneficiaries of the trust fund.

76.   Like all wars, this one is expected to claim an unknown number of bystanders.

77.   Moreover, not all new hires add to the deficit problem because an unknown number of them will be paid with federal funds or other earmarked revenues.

78.   Most go undetected, and unknown numbers perish en route.

79.   On one side is an unknown number of adoptees and birth parents yearning to connect with each other.

80.   Plans are being made to capture an unknown number of wild parrots in Mexico and bring them back to Arizona.