Here and there, at rare intervals, he came across a window bill of the show mentioned.

It is I who at rare intervals bring them a human sacrifice from the world above.

The moon had been up ever since four in the afternoon, though she only appeared at rare intervals between the clouds.

At rare intervals they leave their thorns to occupy new ones.

Nyren agreed to this on one of the rare intervals when he was at home.

It was heard only at rare intervals, and would sometimes be choked off as if by force.

He even invited Bracknell to have dinner with himself and his daughter, at rare intervals.

The lighting was from Hands, above the cells dug out of the rock at rare intervals.

The night will, I am afraid, be very dark, except at rare intervals, for there is a heavy bank of clouds coming over the mountains.

For one rare two-minute interval, a strong wave pattern got through.