The main things in Dr. Anderson’s report especially to be emphasized are (1) the gain in self-reliance and courage of the men under training, indicative as they are of the better physical condition of their bodies, and (2) the marked increase in their strength as indicated by the steady improvement in the strength or dynamometer tests. Obviously, the daily training to which the men were subjected in the Gymnasium is not to be overlooked as one factor in bringing about the gain in accuracy and skill, and indeed this factor must count for something in explaining the general gain in bodily strength, but increased skill alone will not account for the great gain in muscular power. The results of these systematic tests make it very evident that the men were not being weakened by the lowered intake of proteid food. On the contrary, their ability to do muscular work was greatly increased; a fact which cannot well be connected with anything other than the physiological economy which was being practised. There must be enough food to make good the daily waste of tissue, enough food to furnish the energy of muscular contraction, but any surplus over and above what is necessary to supply these needs is not only a waste, but may prove an incubus, retarding the smooth working of the machinery and detracting from the power of the muscular mechanism to do its best work. The figures showing the total strength of the men in October, 1903, on their ordinary diet, and on the second day of April, 1904, when the experiment was nearing completion are certainly very impressive. TOTAL STRENGTH October April Henderson 2970 4598 Oakman 3445 5055 Morris 2543 4869 Zooman 3070 5457 Coffman 2835 6269 Steltz 2838 4581 Loewenthal 2463 5277 Sliney 3245 5307 Fritz 2504 5178 Cohn 2210 4002 Broyles 2560 5530 Here we see gains in strength of 100 per cent in some cases, while Coffman shows an improvement so marked as to be almost marvellous. While there can be no question that a certain amount of this gain is to be attributed to the practice incidental to these months of work in the Gymnasium, it is equally clear that a large part of the gain is due to the improved physical condition of the men’s bodies, for which the change in diet must be considered as responsible. In any event, the change from the ordinary diet to a diet comparatively poor in proteid has not resulted in any physical deterioration. On the contrary, there is every indication of a marked improvement in physical condition. In this connection the following note from Dr. DeWitt, commanding the detachment, is of interest: 332 TEMPLE STREET, NEW HAVEN, CONN., March 30, 1904.