“I must see her at once, for your wife will leave directly.”

“Pray, do so,” said Colonel Preston.  “Tell my wife,” he said, after a pause, “that I hope soon to have recovered, so that it may be safe for her to come back.”

There was a subdued bitterness in his voice, which the doctor detected, and did not wonder at.  He gave the message, as requested.

“I am sure I hope so, Dr. Townley,” said Mrs. Preston.  “I shall be tortured with anxiety.  I hope you will write me daily how my poor husband is getting along?”

“Perhaps the paper might carry the infection,” said the doctor, testing the real extent of her solicitude.

“I didn’t think of that,” answered Mrs. Preston, hastily.  “On the whole, you needn’t write, then.  It might communicate the disease to Godfrey.”

“She finds Godfrey very useful,” the doctor thought.

“I will bear my anxiety as I can,” she continued.  “Have you thought of anyone for a nurse?”

“I have thought of Mrs. Burke.”

“She is poor, and will come if you offer her a good price.  Try to get her.”

“I think she will come.  I must go at once, for your husband needs immediate attention.”

“Get her to come at once, Dr. Townley!  Oh, do!  My husband may want something, and I can’t go into the room.  My duty to my dear, only son will not permit me.  I hope Mr. Preston understands my motives in going away?”

“I presume he does,” said the doctor, rather equivocally.

“Tell him how great a sacrifice it is for me to leave his bedside.  It is a terrible trial for me, but my duty to my son makes it imperative.”

The doctor bowed.

He drove at once to the humble dwelling of Mrs. Burke.

His errand was briefly explained.

“Can you come?” he asked.  “I am authorized to offer you ten dollars a week for the time you spend there.”

“I would come in a minute, doctor, but what shall I do with Mary?”

“She shall stay at my house.  I will gladly take charge of her.”

“You are very kind, doctor.  I wouldn’t want to expose her, but I don’t mind myself.  I don’t think I am in danger, for I’ve had the smallpox already.”

“Can you be ready in five minutes?  Tell Mary to pack up her things, and go to my house at once.  We’ll take good care of her.”

In less than an hour Mrs. Burke was installed at the bedside of the sick man as his nurse.  As she entered the house, Mrs. Preston left it, bound for the railway depot.

“I’m so glad you’re here,” she said, greeting the widow Burke with unwonted cordiality.  “I am sure you will take the best care of my husband.  I have told the doctor to pay you whatever you ask.”

“I’ll do my best, Mrs. Preston, but not for the money,” answered Mrs. Burke.  “Your husband shall get well, if good care can cure him.”

“I’ve no doubt of it; but the carriage is here, and I must go.  Tell my husband how sorry I am to leave him.”