Their excitement was piteous to behold. Some of the older and weaker of them were blubbering with joy. They jostled and pushed one another, laughed, shouted, jumped up on tiptoe, waved their arms, and coughed and spluttered with overexertion--behaving for all the world as if they had just been rescued from some such calamity as a shipwreck, or a six months' siege. In their wholesale endeavor to reach Gran'pa and shake his hand, they gravely endangered not only his toes but even his life. "Gentlemen!" I heard him shout. "_Gentlemen!_ . . . Confound you! . . ." In the momentary lull which followed, he managed to back his way to the aeroplane and climb into a seat. Standing there, he appealed for a hearing. "Let him speak!" piped the same thin voice which had called for those lusty cheers. The uproar died down into a murmur, and the murmur into a silence, broken here and there by the stray clearing of some aged throat, or the sharp, short cough of overexcitement. "I appreciate your welcome!" said Gran'pa in restrained and even tones. "Look where you're going, sir; you'll smash the machine!" The crowd swayed and shouted. Then silence again. Gran'pa continued: "I appreciate your welcome," he repeated, "and I understand your joy. Let me therefore proclaim at once that we have accomplished . . . much of what we promised. The glands . . ." But he could proceed no further. The noise of the old people, eager and almost crazy for Youth, rose into another volley of hoarse cheers and cackling coughs and laughter. They had waited over ten months for this moment, and once they had heard the glad tidings further speech was regarded as useless. To them, the word "glands" was sufficient. They had yet to learn that there were not nearly enough to go round. Ignorance was indeed bliss! "Gentlemen!" shouted Gran'pa at the top of his voice. "Do behave yourselves! Remember that we are all tired out. We've been up half the night on your behalf. We want rest--even if it is only a few minutes' rest. If you will only have the goodness to disperse I will come to the sanatorium presently and tell you everything. I have news for you--good news--but not exactly what you expected. . . . Confound you, sir! Will you look where you are going!" They saw that he was angry and, like the children that they were at heart, they obeyed his entreaty. With low murmurs and shakings of heads, they slowly withdrew from Gran'pa's hastily-chosen forum. "That's better!" he cried. "Now, if you will only go home I'll promise to be round there in half-an-hour at the most." So they retired once more, in gesticulating twos and threes--dampened and crestfallen, but still hopeful. "Extraordinary!" I heard Gran'pa exclaim to Dr. Croft. "They look twenty years younger already. It's really astonishing what exercise, fresh air and diet alone will do on the road to rejuvenation. We couldn't have better material for our first experiment."