“You have not ventured near Despujol, I hope?”

“No. I have hardly ventured into the town.”

“Good. Well, we shall make a double arrest,” he went on. “When the train arrived at the junction at Montlucon at midnight Sanz, evidently fearing lest he was followed, slipped out of the train and into another on the opposite side of the platform. It is a favourite dodge of elusive persons of his type. So, unseen by him, I also joined the train, and we travelled across to Lyons. There he went to a house in the Rue Chevreuil, close to the river, and when I had him safely there I went to the Bureau of Police and asked that observation should be kept upon him until such time that we in Spain should demand his arrest and extradition. The Lyons police know me very well, so two agents were at once detailed for that duty, and I immediately made my way back here. It seems that Sanz is also wanted in France for a motor-car exploit outside Orleans. Therefore our discovery is indeed a lucky one!”

“Will Sanz be arrested?” I asked.

“Yes. I have already reported by telegram to Señor Andrade in Madrid. He will at once ask them in Paris to order the arrest.”

“And Despujol?”

“We have now to await his journey to Nîmes to keep this mysterious appointment with your friend.”

“Not my friend,” I remarked, “rather with my bitterest enemy!”