'Nonsense,' said Mr. Jardine, kneeling down at one end of the bath, where there was a convenient mahogany door for the accommodation of the plumber, a door which lay somewhat in shadow, and had escaped Towler's observation.

'Bring me a candle,' said Mr. Jardine, unconsciously imitating the brotherhood of plumbers, whose consumption of candles is a household terror.

Towler returned to fetch a candle, while Mr. Jardine with cautious hand explored the cavern-like recesses between the bath and its outer shell, recesses in which lurked serpent-like convolutions of hot-water pipes and cold-water pipes, waste and overflow.

Yes, before Towler could arrive with the candle, he had fathomed the mystery. Three or four full bottles, and a large number of empties, were stowed away in this dusty receptacle. He drew one of the full bottles out into the light. 'Hennessy's Fine Old Cognac,' said the label. This had been the secret source of fever and delirium—here had lurked the evil which had made all remedial measures vain.

Mr. Fosbroke was announced while John Jardine was washing the dust and the stains of rusty iron from his hands. Brian was in too low a condition to be rude to the country practitioner, much as he had protested against his interference. He suffered the apothecary to sit by his bed and feel his pulse, without a word of remonstrance.

'How do you find him?' asked Mr. Jardine, when Mr. Fosbroke had left the bedside.

'Very bad; pulse small and thready—a hundred and forty in the minute; violent throbbing in the temporal and carotid arteries; profuse perspiration—all bad signs. What medicines has he been taking?'

He was shown the prescriptions.

'Hum—hum—digitalis—bromide of potassium. I should like to inject chloral; but as the case is in Dr. Mallison's hands—'

'If you think there is danger I will telegraph for Mallison.'