The ledger cackled again more audibly. Mr. Greyne felt a prickling sensation run over him, but the thought of “Catherine” nerved him to his awful task.

“It is my wife’s express desire that I should do so,” he added desperately, quite forgetting Mrs. Greyne’s injunction to keep her dark in his desire to stand well with Rook’s.

The ledger went off into a hyena imitation, and Alphonso, turning still more away from Mr. Greyne, so as to get the eye fuller upon him, exclaimed, in a mixture of Aryan and Eurasian languages:

“Sir, I am a respectable, unmarried man. I was born in Buenos Ayres, educated in Smyrna, came of age in Constantinople, and have practised as guide in Bagdad and other particular cities. I refuse to have anything to do with you and your wife.”

So saying, he bounced into the inner room, and banged the door, while the ledger gave itself up to peals of merriment, and Mr. Greyne tottered forth upon the sea-front, bathed in a cold perspiration, and feeling more guilty than a murderer.

It was a staggering blow. He leaned over the stone parapet of the low wall, and let the soft breezes from the bay flit through his hair, and thought of Mrs. Greyne spurned by Alphonso. What was he to do? Kicked out of Rook’s, to whom could he apply? There must be wickedness in Algiers, but where? He saw none, though night was falling and stout Frenchmen were already intent upon their absinthe.

“Does monsieur wish to see the Kasbah to-night?”

Was it a voice from heaven? He turned, and saw standing beside him a tall, thin, audacious-looking young man, with coal-black moustaches, magnificent eyes, and an air that was half-languid, half-serpentine.

“Who are you?”

“I am a guide, monsieur. Here are my certificates.”