“Ah, yes,” eagerly, and looking up. “I know the north star; there it is,” pointing to the faint sparkle that has been the lamp of hope to so many weary hearts on foaming ocean and trackless plain. “And the Great Bear; the men call it Dick and His Team; it shines every night opposite my window, over the dovecot. Why, of course, all we have to do is to turn our backs to it, and ride straight to Greene Ferne.”

“Not quite, I fear,” smiling at her impetuosity, for she was turning Kitty’s head. “You see we should start from a different base, and our straight line might be projected for eternity before it came to your window.”

“Then what’s the use of astronomy?” said Margaret promptly.

“Well—really,”—puzzled to give a direct reply, “the difficulty is the longitude. But tell me, are there any roads crossing the Downs?”

“One or two, I think.”

“Then we will go towards the north star; that will at least keep us in a straight line, and prevent us from going round in a circle. Sooner or later we must cross a road.”

“Is that all the stars can do for us?”

“Under present circumstances—yes.”

They descended the slope; on the level ground he began to run, urging the tired mare to trot.

“Do not do that,” she said; “you will be quite knocked up.”