METABOLIC FUNCTIONS OF B VITAMINS 239 



15. Baldwin, E., op. cit., pp. 384-415. 



16. McHenry, E. W., and Gavin, G., J. Biol. Chem., 138, 471 (1941). 



17. Guirard, B. M., unpublished observations. 



18. Krehl, W. A., Strong, F. M., and Elvehjem, C. A., Ind. Eng. Chem. Anal. Ed., 



15, 471 (1943). 



19. Bauernfeind, J. C, Sotier, A. L., and Boruff, C. S., Ind. Eng. Chem., Anal. Ed., 



14, 666 (1942). 



20. Guirard, B. M., Snell, E. E., and Williams, R. J, Arch. Biochem., 9, 361 (1946). 



21. Lang, K., Z. physiol. Chem., 261, 240 (1939). 



22. Baer, E, and Fischer, H. 0. L., J. Biol. Chem., 128, 463 (1939). 



23. Sumner, J. B., and Somers, E. F., op. cit., pp. 45-67. 



24. Baldwin, E., op. cit., p. 83. 



25. Lehninger, A. L., J. Biol. Chem., 157, 368 (1941). 



26. Longnecker, H. E., Biol. Symposia, 5, 99 (1941). 



27. Bloch, K., and Rittenberg, D., ./. Biol. Chem., 145, 625 (1942). 



28. Shive, W., Ackermann, W. W., Ravel, J. M., and Sutherland, J. E., J. Am. Chem. 



Soc, 69, 2567 (1947). 



29. Gavin, G., and McHenry, E. W., /. Biol. Chem., 141, 619 (1941). 



30. Handler, P., J. Biol. Chem., 162, 77 (1946). 



31. Speck, J. F. S., /. Biol. Chem., 168, 403 (1947). 



32. Borsook, H., and Dubnoff, J. W., /. Biol. Chem., 132, 307 (1940). 



33. Cohen, P. P., and McGilvrey, R. W., J. Biol. Chem., 166, 261 (1946). 



34. v. Euler, H., Adler, E., Gunther, G., and Das, N. B., Z. physiol. Chem., 254, 61 



(1938) 



35. Cohen, P. P., J. Biol. Chem., 136, 565 (1940). 



36. Schoenheimer, R, Ratner, S.. and Rittenberg, D., J. Biol. Chem., 127, 333 (1939). 



37. Lardy, H. A., and Feldott, G., J. Biol. Chem., 179, 509 (1949). 



38. Shemin, D., J. Biol. Chem., 162, 297 (1946). 



39. Shive, W., Ann. N. Y. Acad. Sci., in press. 



40. Tatum, E. L., and Bonner, D., Proc. Nat. Acad. Sci., 30, 30 (1944). 



41. Buchanan, J. M., Sonne, J. C, and Delluva, A. M., J. Biol. Chem., 166, 395 



(1946). 



42. Almquist, H. J., and Mecchi, E, J. Biol. Chem., 135, 356 (1940). 



43. du Vigneaud, V., et al., J. Biol. Chem., 134, 787 (1940). 



44. Shaefer, A. E., Salmon, W. D., and Strength, D. R., Federation Proc, 8, 395 



U949). 



45. Totter, J. R, Sims, E, and Day, P. L., Proc. Soc. Exptl. Biol. Med., 66, 7 (1947). 



46. Dunning, J. S., Keith, C. K, Totter, J. R., and Day, P., Federation Proc, 8, 381 



(1949). 



47. Totter, J. R., Amos, E. S.,' and Keith, C. K., J. Biol. Chem., 178, 847 (1949). 



48. Bloch, K., and Rittenberg, D., J. Biol. Chem., 159, 45 (1945). 



49. Lipmann, F., "Currents in Biochemical Research," Interscience Publishers, Inc. 



(New York), 1946, pp. 137-148. 



50. Engelhardt, W. A., and Lynbimowa, M. N., Nature, 144, 668 (1939). 



51. Nachmansohn, D., "Currents in Biochemical Research," Interscience Publishers, 



Inc. (New York), 1946, pp. 335-356. 



52. Bullock, T. H., Grundfest, H., Nachmansohn, D., and Rothenberg, M. A., /. 



N euro physiol., 10, 11 (1947). 



53. Grundfest, H., Ann. Rev. Physiol, 9, 477 (1947). 



54. Lipmann, F., and Kaplan, N. O., J. Biol. Chem., 162, 743 (1946). 



55. Van Niel, C. B., "Photosynthesis in Plants," Iowa State College Press (Ames, 



Iowa), 1949, pp. 437-495. 



56. Ochoa, S., "Currents in Biochemical Research," Interscience Publishers, Inc. 



(New York), 1946, pp. 165-186. 



57. Sumner, J. B., and Somers, E. F., op. cit., p. 275. 



58. Kluyver, A. J., van der Kirk, G. J. M., and van der Burg, A., Proc Nederl. Akad. 



van Wetenschappen, 45, 962 (1942). 



