“‘Doc!’ he exclaimed, rushing into the cabin of the Merida’s doctor, ‘there’s a man awful sick with ptomaine poisoning.’

“The doctor lost no time in grabbing up his medicine case.

“‘Where is he, my man? What stateroom?’ he asked. ‘I don’t want to lose any time on such a case.’

“‘Well, he’s about eight hundred miles to the west of us, Doc,’ said the operator dryly, ‘but here is the diagnosis,’ and he handed the doctor a long aerogram.

“The doctor whistled.

“‘Pretty bad,’ said he, ‘temperature 104, nausea, rash on face and neck.’ Then he added quickly, ‘Give me an aerogram blank quickly.’

“He wrote out a prescription and a few minutes later it was being flashed across the sea to the Frasch. The medicine was prepared, and not long after the wireless reported that the captain was ‘Resting easily.’

“The following morning the captain’s temperature was sent and he was reported ‘a little better.’ The prescription was changed and the captain improved rapidly. By this time a number of other ships had picked up the messages, and the stricken skipper might have had a consultation of physicians if his case had demanded it.

“So you see I did nothing very wonderful,” concluded Jack with a smile, turning once more to his key.

“You saved my arm,” insisted Raynor stoutly, and then he left Jack to his work and hastened off to the chief engineer’s cabin to ascertain how soon he could be taken off the sick list.