“You’re Dr. Gregg—is that right?” said Smith, feeling the dog’s head pin in his tie. “The constable—I mean the consul, told me you hung out at this caravansary. My name’s Smith; and I came in a yacht. Taking a cruise around, looking at the monkeys and pineapple-trees. Come inside and have a drink, Doc. This café looks on the blink, but I guess it can set out something wet.”

“I will join you, sir, in just a taste of brandy,” said Dr. Gregg, rising quickly. “I find that as a prophylactic a little brandy is almost a necessity in this climate.”

As they turned to enter the pulperia a native man, barefoot, glided noiselessly up and addressed the doctor in Spanish. He was yellowish-brown, like an over-ripe lemon; he wore a cotton shirt and ragged linen trousers girded by a leather belt. His face was like an animal’s, live and wary, but without promise of much intelligence. This man jabbered with animation and so much seriousness that it seemed a pity that his words were to be wasted.

Dr. Gregg felt his pulse.

“You sick?” he inquired.

Mi mujer está enferma en la casa,” said the man, thus endeavouring to convey the news, in the only language open to him, that his wife lay ill in her palm-thatched hut.

The doctor drew a handful of capsules filled with a white powder from his trousers pocket. He counted out ten of them into the native’s hand, and held up his forefinger impressively.

“Take one,” said the doctor, “every two hours.” He then held up two fingers, shaking them emphatically before the native’s face. Next he pulled out his watch and ran his finger round its dial twice. Again the two fingers confronted the patient’s nose. “Two—two—two hours,” repeated the doctor.

Si, Señor,” said the native, sadly.

He pulled a cheap silver watch from his own pocket and laid it in the doctor’s hand. “Me bring,” said he, struggling painfully with his scant English, “other watchy to-morrow.” Then he departed downheartedly with his capsules.