Progress was necessarily slow and wearisome both to man and beast, and the shades of evening were beginning to gather in very fast when at last the wooden spire of Rotterdam's Groote Kerk emerged out of the frozen mist.

Diogenes—as he had done before at Leyden and at Zegwaard—pushed on ahead now; he wanted to reach the house of Ben Isaje in advance of the jongejuffrouw and prepare the Hebraic gentleman against her coming. The little town with its intricate network of narrow streets intersected by canals did not seem imposing to the eye. Diogenes marvelled with what thoughts the jongejuffrouw would survey it—wondering no doubt if it would prove the end of her journey or merely a halt on the way to some other place more distant still from her home.

Ben Isaje appeared to be a person of some consequence in Rotterdam, for the moment he questioned a passer-by as to where the Jewish Mynheer resided, there were plenty of willing tongues ready to give him information.

Having followed accurately the instructions which were given to him, Diogenes found himself presently at the top of a street which was so narrow that he reckoned if he stretched out his legs, his feet would be knocking against opposite walls. Anyhow, it looked almost impassable for a rider. He peered down it somewhat dubiously. It was very badly lighted; two feeble lamps alone glimmered at either end of it, and not a soul was in sight.

Close to where his horse was standing at the corner of that same street the word "Tapperij" writ in bold letters and well lit by a lamp placed conveniently above it, invited the tired wayfarer to enter. This philosopher was not the man to refuse so insinuating an invitation. He dismounted and leaving his horse in charge of an ostler, he entered the tap-room of the tiny hostel and, being both tired and thirsty, he refreshed himself with a draught of good Rhyn wine.

After which he collected more information about the house of Mynheer Ben Isaje. It was situate about midway down that narrow street round the corner, and was easily distinguishable through its crooked and woe-begone appearance, and the closely shuttered projecting window on the ground floor.

A very few minutes later Diogenes had identified the house from the several descriptions which had been given him. Ben Isaje's abode proved to be a tiny shop with a tall pointed gable sitting above it like a sugar-loaf hat. Its low casement window was securely barred with stout wooden shutters, held in place by thick iron bars. The upper part of the house looked to be at perpetual enmity with the lower, for it did not sit straight, or even securely above the humble ground floor below. The upper floor moreover projected a good three feet over the front door and the shop window, whilst the single gable sat askew over the lot.

From the house itself—as Diogenes stood somewhat doubtfully before it—there came the pungent odour of fried onions, and from the one next door an equally insistent one of damp leather. The philosopher thought that it was high time to swear, and this he did lustily, anathematizing in one comprehensive oath every dirty Hebrew and every insalubrious Dutch city that he had ever come across.

After which he examined the abode of Mynheer Ben Isaje more closely. In the pointed gable, just under the roof, a tiny window with a light behind it seemed to be blinking out of the darkness like the single eye of some inebriate loafer. Seeing that the small casement was partially open and concluding that some one at any rate must be making use of that light up there, Diogenes at last made up his mind to knock at the door; and as there was no knocker and he never carried a riding whip he gave the substantial oak panel a vigorous kick with his boot.

Whereupon the light up above immediately went out, just as if the one-eyed inebriate had dropped off to sleep.