The clerk wrote the address on a piece of paper and handed it to him.

'I don't think you will get much good from them,' he said. 'When people want to hunt a man up here they generally go to an agency. They are a way ahead of the regular police, and have got some smart fellows among them, I can tell you.'

'Thank you. I should prefer carrying out the matter myself if I can. If not I will certainly go to an agency.'

'There is one advantage in going to the police first,' the man said.

'You will find at a good many hotels the people will have nothing to say to you if you go by yourself. It is no business of theirs whether the people who stay at their hotels are swindlers or not, and they ain't going to meddle in it; but if you can get the police to give you a sharp officer to go round with you it will be a different thing altogether.'

'Yes, that is what I thought myself, and why I am going to the police in the first place.'

Turning from the desk he joined Jacob.

'You have had your breakfast?' he asked.

'I just have had a breakfast, Captain; I never seed such a lot of things--and scrumptious, too; I only wish I could have eaten twice as much.'

'I am going out now, Jacob, and as I shall be calling at several places, you had better go your own way. Remember this street is Broadway; it is the princ.i.p.al street here, so if you do by any chance lose yourself any one can tell you the way.'

'What time am I to be here again, Captain?'

'Did you ask what time dinner was, Jacob?'

'The black man who brought the things to me said it was two o'clock, but I shan't never be able to eat again so soon.'

'Oh, yes, you will, Jacob. Take a good long walk and you will soon get your appet.i.te back again.'

On stating his business at the Central Police Station, he was shown into the room of the chief, a quiet but keen-faced man, dressed in plain clothes. He presented to him the letter from Scotland Yard.

'I shall be happy to help you, Captain Hampton, if I can,' he said, after glancing through it. 'If you had known for certain what steamer they came over by, we should no doubt be able to lay hold of them in the course of a few hours, if they are still in the city.'

'I think the probabilities are greatly in favour of their having come by the "Bremen," which sailed from Hamburg on July 20 and got here, as I saw, on August 4. If they did not come by that I think it likely they sailed from some English port two or three days later. My first object, of course, is to find the hotel at which they put up.'

'I will send one of my men round with you,' and the chief touched a bell. 'Is Mr. Tricher in? If so, ask him to come here.'

A young man entered the room two minutes later.

'Mr. Tricher, this gentleman has brought us a letter from Scotland Yard; he is in search of two swindlers who have made off with a good deal of money. His name is Captain Hampton; he does not belong to the British force but is a friend of some of the parties who have been swindled, and has made it his business to find these people. They are believed to have come out in the "Bremen," which arrived here on August 4; but, if not, they may have come by a boat from an English port within a few days of that date. Of course they may have come to Boston or Halifax, or one of the Southern ports. Our first step is to inquire at all the hotels here; will you please to go with him and give him any a.s.sistance you can? If you are unsuccessful in your search, Captain Hampton, I shall be glad if you will come in again and talk the matter over with me. I have all the dates of the arrivals of the steamers from the other side, which may help you in deciding at which port you had better continue your search.'

Captain Hampton's guide proved to be a pleasant and chatty young fellow.

'Your first visit here, Captain Hampton?' he asked, as they issued out on the street.

'Yes, it is the first time I have crossed the Atlantic. I have not had much chance of coming before, for I have been out with my regiment in India for the last six years.'

'I suppose it is a big business this, as you have taken the trouble to come out about it.'

'No; in point of money it is not a very large amount. A thousand pounds in money and about two thousand pounds worth of diamonds. I am interested in the matter chiefly because suspicion has fallen upon a lady of my acquaintance, between whom and this woman there is an extraordinary likeness: so great a one that I myself was once deceived by it. The woman herself knows of it, for she personated my friend, and in her name obtained the jewels and money; so you see it is a matter of extreme importance to get her back to England.'

'I can quite understand that. I suppose you have a likeness of her?'

'Yes; at least, a likeness of the lady, which will be quite sufficient to enable anyone to identify the woman at once.'

He handed Dorothy's likeness to the detective.

'There ought to be no difficulty in identifying that,' he said, after examining it closely. 'No one who has seen her will be likely to forget it in a hurry; and what is the man like?'

'He is old enough to be her father, and no doubt pa.s.ses as being so. He is a clean-shaved man--at least he was when I last saw him. He is a betting man of the lowest type, but has had the education of a gentleman, and when well dressed and got up would no doubt pa.s.s as one anywhere. This is the list of hotels I obtained as being those they would be most likely to go to. You see there are some German ones included, as, if they came out in the "Bremen," they might have been directed by Germans returning here to go to one of their hotels, and would have done so, as they would be less likely to meet English people and attract attention.'

'Yes, that is a good idea. However, we will try the others first.

Nineteen out of twenty cabin pa.s.sengers who land here and don't go straight on, put up at one or other of the princ.i.p.al places.'

Hotel after hotel was visited, until they arrived at the end of the list. The detective did the talking; he was well known to all the clerks.

'I generally am put on hotel thief business,' he said, as his companion remarked on his acquaintance with all the houses they visited; 'no doubt that is why the chief sent me with you. Now we will try these German houses. You may take it for granted that they have not been at any of the others. If none of the clerks or waiters recognise that photograph, it is because she wasn't there. You see they all said "No" right off when they saw it. If it had been an ordinary face, they would have thought it over, but they did not want half a minute to say they had never seen her.'

At the first two German houses they went to they received the usual answer.

'Now I have rather hopes of this next place,' the detective said; 'it is a quiet sort of house, and used by a good cla.s.s of Germans--rich men who have been over to Europe, and are waiting here for a day or two before they go West again. If the man was asking, as he would be likely to do, for a quiet hotel, and said that he did not mind paying for comfort, a German who knew the ropes would probably send him here. This is the house.'

He went up to the clerk's desk.

'Good morning, Mr. Muller. How goes on business?'

'Pretty brisk, Mr. Tricher. What can I do for you, this morning? You are on business, too, I suppose.'

'Yes. The chief asked me to come round with this gentleman, Captain Hampton, from England. He wants to find out about a man and a woman who are believed to have come across on the "Bremen," which arrived here on August 4. I think it likely enough that they may have been recommended to your house. Will you turn to August 4?'

The clerk turned over the leaves of the register.

'Had you an English lady and gentleman, father and daughter, arrive on that day?'

'I had. Mr. and Miss White. The man was clean shaven, about forty-five years old.'

'This is the portrait of his daughter.'

'That is all right,' the clerk said. 'She was just as good-looking a girl as ever I saw.'

Captain Hampton uttered an exclamation of satisfaction. Here then was the first absolute proof that his theory was correct, and that there really existed a double of Dorothy, and the evidence of this clerk would in itself go far to disprove the charge against her.

'How long did they stay here?' the detective asked.

The clerk turned to the ledger. 'Two days. They left on the evening of the sixth. They were charged the full day.'

'How did they go?'

'By carriage. Here is the charge--a dollar and a half.'

'Which station did they go to?'

'Ah, that I cannot tell you. We have two carriages and they are both out now, but I can find out this evening. Anything else?'