"The father offered himself as the person whose blood should be furnished to the child. It was impossible to give anæsthetics to either of them. In a child of that age there is only one vein large enough to be used, and that is in the back of the leg, and deep seated. A prominent surgeon who was present exposed this vein. He said afterward that there was no sign of life in the child, and expressed the belief that the child had been, to all intents and purposes, dead for ten minutes. In view of its condition he raised the question whether it was worth while to proceed further with the attempt. The father, however, insisted upon going on, and the surgeon then exposed the radial artery in the surgeon's wrist, and was obliged to dissect it back about six inches, in order to pull it out far enough to make the connection with the child's vein.
"This part of the work the surgeon who did it afterward described as the 'blacksmith part of the job.' He said that the child's vein was about the size of a match and the consistency of wet cigarette paper, and it seemed utterly impossible for anyone to successfully unite these two vessels. Dr. Carrel, however, accomplished this