Except for the slowness of South African mail coaches, they were comparatively easy.

It is not so hard to track strangers in Cape Town as strangers in London.

I followed Hilda to her hotel, and from her hotel up country, stage after stage--jolted by rail, worse jolted by mule-waggon--inquiring, inquiring, inquiring--till I learned at last she was somewhere in Rhodesia.
That is a big address; but it does not cover as many names as it covers square miles.

In time I found her.

Still, it took time; and before we met, Hilda had had leisure to settle down quietly to her new existence.
People in Rhodesia had noted her coming, as a new portent, because of one strange peculiarity.