1. Funk, C: The chemical nature of the substance which cures polyneuritis in birds produced by a diet of polished rice, Jour. Physiol., 1911, xliii, 395. Cooper, A. E., and Funk, C: Experiments on the causation of beriberi, Lancet, 1911, 1266. Funk: The effect of a diet of polished rice on the nitrogen and phosphorus content of the brain, Jour. Physiol., 1912, xliv, 50. Funk: Further experimental studies on beri-beri. The action of certain purins and pyrimidin derivatives, Jour. Physiol., 1912-13, xlv, 489. Funk: Studies on beri-beri, vii. Chemistry of the vitamine fraction from yeast and rice polishings, Ibid., 1913, xlvi, 173.

2. Suzuki, U., Shimamura, T., and Odake, S.: Oryzanin, a component of rice bran and its physiological significance, Biochem. Zeit., 1912, xliii, 89.

3. Edie, E. S., Evans, W. H., Moore, B., Simpson, C. G. E., and Webster, A.: Anti-neuritic bases of vegetable origin in relation to beri-beri. Isolation of torulin, Biochem. Jour., 1912, vi, 234.

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

Cooper: The curative action of autolysed yeast against avian polyneuritis, Ibid., 1914, viii, 250.

Cooper: The relation of vitamines to lipoids, Ibid., 1914, viii, 347.

4. Williams, R. R., and Seidel, A.: The chemical nature of the vitamines.

II. Isomerism of natural anti-neuritic substances, Jour. Biol. Chem., 1916, xxvi, 431.

5. Voegtlin, C, and White, G. F.: Can adenin acquire antineuritic properties?, Jour. Pharm. and Exp. Ther., 1917, ix, 155.

6. Harden, A., and Zilva, S. S.: The alleged anti-neuritic properties of hydroxypyridin and adenin, Biochem. Jour., 1917, xi, 172.

7. Abderhalden, E., and Schaumann, H.: Organic feeding stuffs with specific action, Arch. f. d. gesammte Physiol., 1918, 1, 172.

8. Hofmeister, F.: Ueber qualitativ unzureichende Ernahrung, Ergebnisse d. Physiol., 1918, xvi, 510.

9. Drummond, J. C, and Funk, C: Chemical investigations of the phosphotungstic precipitate from rice polishings, Biochem. Jour., 1914, viii, 598.

10. Folin, O., and Macallum, A. B., Jr.: A new method for the (colorometric) determination of uric acid, Jour. Biol. Chem., 1912, xi, 265; Ibid., 1912-13, xiii, 363.

11. Williams, R. R.: The chemical nature of vitamins, 1. Anti-neuritic properties of hydroxy pyrimidines, Jour. Biol. Chem., 1916, xxv, 437.

12. Williams, R. R.: The chemical nature of the vitamines. 1ll, Jour. of Biol. Chem., 1917, xxix, 495. McCollum, E. V., and Simmonds, N.: A study of the dietary essential, water soluble B, in relation to its solubility and stability toward reagents, Jour. of Biol. Chem., 1918, xxxiii, 55. Sullivan, M. X., and Voegtlin, C: The distribution in foods of the so-called vitamines and their isolation, Proc. Soc. Biol. Chem., Jour.

Biol. Chem., 1916, xxiv, p. xvi.

Chick, H., and Hume, E. M.: Effect of exposure to temperature at or above 100° C. upon the substance (vitamine) whose deficiency in a diet causes polyneuritis in birds and beri-beri in man, Proc. Roy.

Soc, 1917, 90 B, 60. Miller, E. W.: The effect of cooking on the water soluble vitamine in carrots and navy beans, Jour. Biol. Chem., 1920, xliv, 159. Whipple, B. K.: Water soluble B in cabbage and onion, Jour. Biol.

Chem., 1920, xliv, 175. Daniels, A. L., and McClurg, N. I.: Influence of high temperatures and dilute alkalies on the anti-neuritic properties of foods, Jour. Biol. Chem., 1919, xxxvii, 201.

13. Siedell, A.: Preliminary note on a stable silver vitamine compound obtained from brewer's yeast, Pub. Health Reports, Washington, D. C, 1921, xxxvi, 665. Seidell: A stable form of vitamin, efficient in the prevention and cure of certain nutritional deficiency diseases, Pub. Health Rep., Washington, D. C, 1916, xxxi, 361. McCollum, E. V., and Kennedy, C: The dietary factors operating in the production of polyneuritis, Jour. Biol. Chem., 1916, xxiv, 491. Robertson, T. B.: Experimental studies on growth. On the isolation and properties of tethelin, the growth-controlling principle of the anterior lobe of the pituitary body, Jour. Biol. Chem., 1916, xxiv, 409.

14. Myers, C. N., and Voegtlin, C.: The chemical isolation of vitamines, Proc. Nat. Acad, of Sci., 1920, vi, 3.

15. Dutcher, R. A.: Vitamine studies. 1. Observations on the catalase activity of tissues in avian polyneuritis, Jour. Biol. Chem., 1918, xxxvi, 63.

Dutcher, R. A., and Collatz, F. A.: Vitamine studies. 11. Does water-soluble vitamine function as a catalase activator? Jour. Biol. Chem., 1918, xxxvi, 547.

Dutcher: Vitamine studies. iii. Observations on the curative properties of honey, nectar, and corn pollen in avian polyneuritis, Ibid., 1918, xxxvi, 551.

Dutcher: Vitamine studies. iv. Anti-neuritic properties of certain physiological stimulants, Ibid., 1919, xxxix, 63.

Uhlmann, F.: Contributions to the pharmacology of the vitamines, Zeit. f. Biol., 1918, lxviii, 419.

16. Harden, and Zilva: The alleged anti-neuritic properties of α-hydroxy pyridines and adenine, Biochem. Jour., 1917, xi, 172.

17. Voegtlin, C, and White, G. F.: Can adenin acquire antineuritic properties?, Jour. of Pharm. and Exp. Ther., 1916, ix, 155.

18. McCollum, E. V., and Koch, M.: Unpublished data.

19. McCollum, E. V., and Simmonds, N.: Unpublished data.

20. McCarrison, R.: The pathogenesis of deficiency disease, Ind. Jour.

Med. Res., 1919, vi, 275. McCarrison, R.: The effects of deprivation of B accessory food factors, Ibid., 1919, vi, 550. McCarrison: Involution of the thymus in birds, Ibid., 1919, vi, 557. McCarrison: The influence of dietaries deficient in accessory food factors in the intestine, Ibid., 1919, vii, 167. McCarrison: The influence of a scorbutic diet on the adrenal glands, Ibid., 1919, vii, 188.

McCarrison: The general effects of deficient dietaries on monkeys, Ibid., 1919, vii, 308. [and 24, 1918.

21. Still, F. G.: Coeliac Disease. Lumleian Lectures, Lancet, Aug. 10, 17,

22. Keith, A.: The operative treatment of chronic intestinal stasis, 4th Ed. Edited by Sir W. Arbuthnot Lane, London, 1918.

23. Karr, W. G.: Some effects of water-soluble vitamine on nutrition, Jour. Biol. Chem., 1920, xliv, 255. Karr: Metabolism studies with diets deficient in water-soluble B vitamine, Ibid., 277.

24. Funk, C, and Douglass, M.: Studies of beri-beri. vii. The relationship of beri-beri to glands of internal secretion, Jour. of Physiol., 1913-14, xlvii, 475. Funk, C, and Schonborn, E.: The influence of a vitamine-free diet on the carbohydrate metabolism, Ibid., 1914, xlviii, 328.

25. Dutcher: The nature and function of the anti-neuritic vitamine, Proc. Nat. Acad. of Sci., 1920, vi, 10.

26. Findlay, G. M.: Glyoxalase in avian beri-beri, Biochem. Jour., 1921, xv, 100. Burge, W. E., and Neill, A. J.: Comparison of the amount of catalase in the muscles of large and small animals, Amer. Jour. Physiol., 1916-17, xlii, 373.

27. Stehle, R. L.: Some data concerning the alleged relation of catalase to animal oxidations, Jour. Biol. Chem., 1919, xxxix, 403.

28. McCollum, and Simmonds: A study of the dietary essential watersoluble B in relation to its solubility and stability toward reagents, Jour. Biol. Chem., 1918, xxxiii, 55.

29. Uhlmann, F.: Contributions to the pharmacology of the vitamines, Zeit. f. Biol., 1918, lxviii, 419, 457.

30. Williams, R. J.: The vitamine requirement of yeast. A simple biological test for vitamine, Jour. Biol. Chem., 1919, xxxviii, 465; Ibid., 1920, xlii, 259.

31. Bachmann, F. M.: Vitamine requirements of certain yeasts, Jour. Biol.

Chem., 1919, xxxix, 235.

32. Funk, C, and Dubin, H. E.: A test for beri-beri vitamine and its practical application, Jour. Biol. Chem., 1920, xliv, 487.

33. Souza, G. de P., and McCollum, E. V.: A study of the factors which interfere with the use of yeast as a test organism for the anti-neuritic substance, Jour. Biol. Chem., 1920, xliv, 113.

34. MacDonald, M. B., and McCollum, E. V.: The Bios of Wildiers and the cultivation of yeast, Jour. Biol. Chem., 1921, xlvi, 525.

35. Fulmer, E. I., Nelson, V. E., and Sherwood, F. F.: The nutritional requirements of yeast.

1. The role of vitamines in the growth of yeast, Jour. Amer.

Chem. Soc, 1921, xliii, 186.

2. The effect of the composition of the medium on the growth of yeast, Ibid., 191. Nelson, V. E., Fulmer, E. I., and Cessna, R.: The synthesis of water-soluble B by yeast, Jour. Biol. Chem., 1921, xlvi, 77.

36. Findlay, G. M.: Glyoxalase in avian beri-beri, Biochem. Jour., 1921, xv, 104. Findlay: An experimental study of avian beri-beri, Jour. of Pathol. and Bact., 1921, xxiv, 175.