"Oh, that was easy enough! I am an Australian, educated in Germany, and I have not a single correspondent in England. But only one letter has come for your father, and that arrived about two weeks ago, so I forwarded it to Mostyn at once," said the doctor.

"Where is Mostyn?" asked Sylvia.

"It is away in the back country, about fifty miles from everywhere, I imagine. It is a boom town; that is to say, they have found gold there in paying quantities, and so it will grow like a mushroom until the gold gives out, and then, unless they come across anything else of value, it will fizzle out as rapidly as it sprang to life. It is a little way we have of doing things in this part of the world," said the doctor as he finished his supper, and then he asked, in a tone of grave concern: "Pray, where can you go to sleep? There is certainly no sense in your sitting up all night. Your sister will stay up to help me with the sick boy, and then in the morning she will want to rest, and you must be ready to take her place."

"Oh, I can sit round in a chair and doze a little when I am not wanted!" replied Sylvia in that happy-go-lucky way she had of saying things, and which as a rule no one heeded. But the doctor frowned heavily as he said: "That will not do at all; young people cannot get on without proper sleep, and you must be fresh and fit to take your sister's place in the morning, for your brother is going to want a lot of nursing to pull him through. What have you done with the younger children?"

"We put them to bed in the wagon. It is just outside, you know, and we thought that they would be out of the way," answered Sylvia.

"An excellent idea. Now suppose that you go and put yourself to bed with them, and they will be sure to wake you bright and early in the morning," he said, smiling now, because there really seemed a way out of the difficulty.

"But you will want someone to keep the fire in for you to-night," protested Sylvia, who did not like the idea of being sent off to bed with the children, even though she was so sleepy that she could scarcely keep her eyes open.

"That other brother of yours will do that for me. What is his name, by the way?" asked the doctor, as Rumple disappeared from the room in search of more firewood.

"He is Dalrymple, only we always call him Rumple, because it suits him so well and is affectionate too. But you will certainly never keep him awake. He will mean not to go to sleep, for he is really a very good sort, and crammed full of the best intentions, but he simply can't keep his eyes open when he is very tired; so presently, when you least expect it, he will just double up and fall asleep, and you will not be able to wake him up however much you try. We Plumsteads are all like that, and sometimes it is very awkward," said Sylvia earnestly.

"I will risk it; only you must go to bed now," said the doctor, laughing broadly at her description of the Plumstead weakness in the matter of popping off to sleep at inconvenient times; and then he called to Rumple and asked him to see his sister safely into the wagon, and to keep an eye on it during the remainder of the night.