All except this one had disappeared by the late 1960s.

Of the ice cover still present in 2000, 26% had disappeared by 2007.

It's just out of the question he would disappear by himself.

Virtually all such books disappeared by the end of the period.

Another new island was formed in 1919 but then disappeared by 1935.

It was still recorded in 1618 but seems to have disappeared by 1722.

The site had disappeared by the 1820s and only a mound is left.

And if nothing is done to control current development patterns, the report found, 427 other species could disappear by the end of the century.

And then it disappeared around the far end of the house by the garage.

Any differences between the two ranges had all but disappeared by 1940.