Collected papers . For this reason the guinea-pig is as admirably adapted for the study of scurvy as is the pigeonfor that of beriberi. During the last few months we have extended the work of Holst andhis colleagues in the direction of foodstuffs which are portable and con-venient for transport, and hence suited for the rationing of armies. Themethods we have followed have, in principle, been those of the Norwegianworkers. The principal modification has been the addition of milk, sub-jected to prolonged heating at a high temperature (120° C. for one hour),to the scurvy diet of grain and water.
Collected papers . For this reason the guinea-pig is as admirably adapted for the study of scurvy as is the pigeonfor that of beriberi. During the last few months we have extended the work of Holst andhis colleagues in the direction of foodstuffs which are portable and con-venient for transport, and hence suited for the rationing of armies. Themethods we have followed have, in principle, been those of the Norwegianworkers. The principal modification has been the addition of milk, sub-jected to prolonged heating at a high temperature (120° C. for one hour),to the scurvy diet of grain and water. By this addition we have not beenable to detect any appreciable change in the special symptoms of thedisease or time of onset; but the general condition of the animal is muchimproved, apart from the scurvy, and the influence of the inclusion of theanti-scorbutic substances can be studied with less complication from suchfactors as mere inanition and starvation (see Table 111., and comparecurves A and B in Fig. 4).. J ^ 9 DAX5 It. 15 li U It^ 30 Ji 3(> Jf 1,1 iS Uf SI Stt SJ Weight Charts of Ave typical experiments shewing the anti-scorbutic value of orange juice and fresh cabbage leaves. Curve a. Typical scurvy on a diet of oats, bran and water. CURVE B. Typical scurvy on a diet of oats, bran and sterilisedmilk (heated to 120° C. for 1 hour in the autoclave). Curve C. Typical scurvy on a diet of oats, bran and water, curedby addition of orange juice and autoclaved milk tothe diet on the ignd day, when the symptoms werewell marked. To lace page 153. Weight cliart shewing influence of 5 fresh orangejuice daily added to the scurvy diet; autoclavedmilk added to the diet on the 56th day. Normal weight chart on a diet of oats, bran and cab-bage leaves (30 grams daily). Weight chart on diet of oats, bran, autoclaved milkand 3 fresh orange juice daily: specially favour-able circumstances—warm weather, etc. REQUIRED FOR THE PREVENTION OF BERIBERI AND SCURVY. 153 The
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