1. Forbes, E. B., Whittier, A. C, and Collison, R. C: The mineral nutrients of blue-grass, Ohio Agr. Exp. Sta. Bull. 222, 1910. Forbes, E. B., Beegle, F. M., and Mensching, J. E.: Ibid., 255, 1913.

2. McCollum, E. V., Simmonds, N., and Pitz, W.: The nature of the dietary deficiencies of wheat embryo, Jour. Biol. Chem., 1916, xxv, 105.

3. Hess, A. F.: The therapeutic value of yeast and of wheat embryo, Amer. Jour. Dis. of Child., 1917, xiii, 98.

4. Hart, E. B., McCollum, E. V., Steenbock, H., and Humphrey, G. C:

Physiological effects on growth and reproduction of rations balanced from restricted sources, Wis. Agr. Exp. Sta. Bull. 17, 1911. Hart, and McCollum: Influence on growth of rations restricted to the corn or wheat grain, Jour. Biol. Chem., 1914, xix, 373. McCollum, Simmonds, and Pitz: The effects of feeding the proteins of the wheat kernel at different planes of intake, Jour. Biol. Chem., 1916, xxviii, 211.

5. Osborne, T. B., and Mendel, L. B.: The nutritive value of the proteins of the wheat kernel and its milling products, Jour. Biol. Chem., 1919, xxxvii, 557.

6. Chick, H., and Hume, E. M.: The distribution in white rice and maize grains of the substance, the deficiency of which in the diet causes polyneuritis in birds and beri-beri in man, Proc. of the Royal Soc, B, 1917, xc, 44.

7. Chick, and Hume: The distribution among food-stuffs (especially those suitable for the rationing of armies) of the substances required for the prevention of (a) beri-beri, and (b) scurvy, Jour. Royal Army. Med. Corps, August 1917.

8. Food and the war, U. S. Food Administration, New York, 1918.

9. Chick, H., and Delf, E. M.: The anti-scorbutic value of dry and degerminated seeds, Biochem. Jour., 1919, xiii, 199. 10. Steenbock, H., and Boutwell, P. W.: The comparative nutritive value of white and yellow maizes, Jour. Biol. Chem., 1920, xli, 81.

11. McCollum, E. V., and Davis, M.: The nature of the dietary deficiencies of rice, Jour. Biol. Chem., 1915, xxiii, 181.

12. Steenbock, H., Kent, H, and Gross, E. G.: The dietary qualities of barley, Jour. Biol. Chem., 1918, xxxv, 61. Osborne, and Mendel: Nutritive value of the proteins of barley, oat, rye, and wheat kernel, Jour. Biol. Chem., 1919, xli, 275.

13. McCollum, Simmonds, and Pitz: The dietary deficiencies of the white bean, Jour. Biol. Chem., 1917, xxix, 521. McCollum, Simmonds, and Parsons: The dietary properties of the pea (Vicia sativa), Jour. Biol. Chem., 1919, xxxvii, 287.

14. Osborne, and Mendel: Beobachtungen uber Wachstum bei Futterungsversuchen mit isolierten Nahrungssubstanzen, Zeit. f. physiol. Chem., 1912, lxxx, 307.

15. Daniels, A. L., and Nichols, N. B.: The nutritive value of the soy bean, Jour. Biol. Chem., 1917, xxxii, 91. Osborne, and Mendel: The use of soy beans as food, Jour. Biol. Chem., 1917, xxxii, 369.

16. Daniels, A. L., and Loughlin, R.: Feeding experiments with peanuts, Jour. Biol. Chem., 1918, xxxiii, 295.

17. Johns, C. O., and Jones, D. B.: The proteins of the peanut, Jour.

Biol. Chem., 1917, xxx, 33.

18. Richardson, A. E., and Green, H. S.: Nutrition investigations upon cottonseed meal, Jour. Biol. Chem., 1916, xxv, 307; 1917, xxx, 243.

19. Osborne, and Mendel: The use of cottonseed as food, Jour. Biol.

Chem., 1917, xxix, 289. Wells, C. A., and Ewing, P. V.: Cottonseed meal as an incomplete food, Jour. Biol. Chem., 1916, xxvii, 15.

20. Osborne, and Mendel: The relative value of certain proteins and protein concentrates as supplements to corn gluten, Jour. Biol. Chem., 1917, xxxix, 69.

21. Withers, W. A., and Carruth, F. E.: Gossypol, the toxic substance in cottonseed meal, Jour. Agric. Res., 1915, v, 261.

22. Carruth, F. E.: Methods of approximating the toxicity of cottonseed products, Jour. Biol. Chem., 1917, xxxii, 87.

23. McCollum, Simmonds, and Pitz: The vegetarian diet in the light of our present knowledge of nutrition, Amer. Jour. Physiol., 1916, xli, 333. McCollum, Simmonds, and Pitz: The supplementary dietary relationship between leaf and seed as contrasted with combinations of seed with seed, Jour. Biol. Chem., 1917, xxx, 13.

24. Osborne, and Mendel: The vitamines in green foods, Jour. Biol.

Chem., 1919, xxxvii, 187.

The proteins of green leaves - spinach leaves, Ibid., 1920, xlii, 1.

The fat-soluble vitamine, Ibid., 1920, xli, 549.

25. Steenbock, and Gross: The fat-soluble vitamine content of green plant tissues together with some observations on their water-soluble vitamine content, Jour. Biol. Chem., 1920, xli, 149.

26. McCollum, Simmonds, and Parsons: The dietary properties of the potato, Jour. Biol. Chem., 1918, xxxvi, 197.

27. Rose, M. S., and Cooper, L. F.: The biological efficiency of the potato nitrogen, Jour. Biol. Chem., 1917, xxx, 201. Hindhede, M.: Eine Reform unserer Ernahrung. Kopenhagen, 1908;

Also The effect of food restriction during the war on mortality in Copenhagen, Jour. Amer. Med. Assoc, 1920, lxxiv, 381. Modern Ernahrung, Berlin, W. Vobach, 1915.

28. Steenbock, and Gross: The fat-soluble vitamine content of roots together with some observations on their water-soluble vitamine content, Jour. Biol. Chem., 1919, xl, 501.

29. Denton, M. C, and Kohman, E. A.: Feeding experiments with raw and boiled carrots, Jour. Biol. Chem., 1918, xxxvi, 249. Kohman, E. A.: Experimental production of edema as related to "war dropsy," Amer. Jour. of Physiol., 1920, li, 378.

30. Osborne, and Mendel: The occurrence of the water-soluble vitamine in some common fruits, Jour. Biol Chem., 1920, xlii, 465. Daniels, A. L., Byfield, A. H., and Loughlin, R.: The anti-neuritic and growth stimulating properties of orange juice, Amer. Jour. Dis. Child., 1920, xix, 349.

31. McCollum, and Simmonds: Unpublished data.

32. Sugiura, K., and Benedict, S. R.: The nutritive value of the banana, Jour. Biol. Chem., 1918, xxxvi, 171; Ibid., 1919, xl, 449.

33. Loeb, J., and Northrup, J. H.: Influence of food and temperature upon the duration of life, Jour. Biol. Chem., 1917, xxxii, 103. Northrup, J. H.: The effect of prolongation of the growth period on the total duration of life, Jour. Biol. Chem., 1917, xxxii, 123.

34. Cajori, F. A.: Some nutritive properties of nuts: Their proteins and content of water-soluble vitamine, Jour. Biol. Chem., 1920, xliii, 583. Haliburton, W. D., and Drummond, J. C: The nutritive value of margarines and butter substitutes, Jour. of Physiol., 1917, li, 235. Coward, K. H., and Drummond, J. C: Nuts as a source of vitamine A, Biochem. Jour., 1920, xiv, 665.

35. Watson, C: The effects of protein feeding, Med. Chirurg. Trans., 1904, liii, 87.

The influence of a meat diet on the thyroid gland in the second generation of rats, Jour. Physiol., 1906, xxiv, p. xxix (proceedings).

36. Watson, C, and Hunter, A.: Observations on diet. The influence of diet on growth and nutrition, Jour. of Physiol., 1906, xxxiv, p. iii.

37. Osborne, and Mendel: Nutritive factors in animal tissues, Jour. Biol.

Chem., 1917, xxxii, 309; Ibid., 1918, xxxiv, 17.

38. McCollum, and Davis: Nutrition with purified food substances, Jour.

Biol. Chem., 1915, xx, 641.

The influence of certain vegetable fats on growth, Ibid., 1915., xxi, 179.

39. Parsons, H. T.: The anti-scorbutic content of certain body tissues of the rat, Jour. Biol. Chem., 1920, xliv, 587.

40. Cooper, E. A.: On the protective and curative properties of certain food-stuffs against polyneuritis induced in birds by a diet of polished rice, Jour. Hygiene, 1912, xii, 436.

The preparation from animal tissues of a substance which cures polyneuritis induced in birds by a diet of polished rice, Biochem. Jour., 1913, vii, 268.

41. McCollum, Simmonds, and Parsons: The supplementary dietary relations between animal tissues and legume seeds, Jour. Biol. Chem., 1921, xlvii, 139.

42. McCollum, and Davis: The necessity of certain lipins in the diet during growth, Jour. Biol. Chem., 1913, xv, 167.

43. Osborne, and Mendel: The effect of butter fat on growth, Jour. Biol.

Chem., 1913-14, xvi, 423.

44. Osborne, and Mendel: Further observations on the influence of natural fats upon growth, Jour. Biol. Chem., 1915, xx, 379.

45. Halliburton, W. D., and Drummond, J. C: The nutritive value of margarines and butter substitutes with reference to their content of the fat-soluble accessory substance, Jour. Physiol., 1917, li, 235.

46. Daniels, and Loughlin: Note on the fat-soluble growth promoting substance in lard and cottonseed oil, Jour. Biol. Chem., 1920, xlii, 359. Drummond, J. C, Golding, J., and Coward, K. H.: The nutritive value of lard, Biochem. Jour., 1920, xiv, 742.

47. McCollum, Simmonds, and Parsons: The nutritive properties of animal tissues, Jour. Biol. Chem., 1921, xlvii, 111.

48. McCollum, Simmonds, and Parsons: Supplementary relations of the proteins of milk for those of cereals, and of milk for those of legume seeds, Jour. Biol. Chem., 1921, xlvii, 235. Lane-Claypon, J. E.: Milk and its hygienic relations, New York, 1916.

49. Osborne, and Mendel: Milk as a source of water-soluble vitamine, Jour. Biol. Chem., 1918, xxxiv, 537.

50. McCollum: What to teach the public regarding food values, Jour. Home Econ., 1918, x, 195.

51. McCollum, Simmonds, and Parsons: Supplementary protein values in foods, Jour. Biol. Chem., 1921, xlvii, 111.

52. Drummond, J. C: The nutritive value of certain fish, Jour. of Physiol., 1918-19, lii, 95.