DISTRIBUTION IN NATURE 



IX 



Keitel, Z. physiol. Chem. 138 (1924) 



156. 



38. A. TscHiRCH, Ber. deut. botan. Ges. 22 

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39. T. Ito, H. Suginome, K. Ueno and Sh. 

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40. R. KuHN, A. WiNTERSTEiN and E. 

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41. K. ScHON, Biochem. J. 30 (1936) i960. 



42. P. Karrer, E. Jucker and E. Krause- 

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43. P. Karrer and E. Jucker, Helv. Chim. 

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44. A. G. Perkin, /. Chem. Soc. loi (1912) 

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45. R. KuHN and E. Lederer, Z. physiol. 

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46. H. MoLiscH, Ber. deut. botan. Ges. 14 

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47. R. KuHN and A. Winterstein, Ber. 64 

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48. P. Karrer and J. Rutschmann, Helv. 

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49. E. G. Hill and A. P. Sikkar, /. Chem. 

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50. R. KuHN and A. Winterstein, Helv. 

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51. Keegan, C/zem. iVezws JJJ (1916) 85,114. 



52. M. E. FiLHOL, Compt. rend. 39 (1854) 



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53. L. Zechmeister and W. A. Schroe- 

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54. W. A. ScHROEDER, /. Am. Chem. Soc. 

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55. L. ScHMiD and E. Kotter, Monatsh. 



59 (1932) 341- 



56. L. Zechmeister, T. Beres and E. 

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57. G. and F. Tobler, Ber. deut. botan. 

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58. L. Zechmeister and L. v. Cholnoky, 

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59. H. C. SoRBY. Proc. Roy. Soc. (London) 

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60. P. Karrer and E. Jucker, Helv. Chim. 

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61. K. Schon, Biochem. J. 32 (1938) 1566. 



62. L. Zechmeister and W. A. Schroe- 

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63. L. Zechmeister and P. Tuzson, Ber. 

 63 (1930) 3203; 67 (1934) 170- 



64. P. Karrer, E. Jucker and K. Stein- 

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65. P. Karrer and H. Salomon, Helv. 

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66. R. Kuhn and E. Lederer, Z. physiol. 

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67. P. Karrer and J. Rutschmann, Helv. 

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68. P. Karrer and R. More, Helv. Chim. 

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69. L. Zechmeister and A. PolgAr, /. 

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70. R. Kuhn and H. Brockmann, Ber. 66 



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71. L. S. Palmer and H. L. Kempster, /. 

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72. G. Mackinney, Plant Physiol. 10 (1935) 



365. 



73. O. C. M agist AD, Plant Physiol. 10 

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74. L. ScHMiD and A. Polaczek-Wittek, 

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75. P. Karrer, H. Salomon and H. 

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76. J. W. White, F. P. Zscheile and 

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77. R. Kuhn and Ch. Grundmann, Ber. 67 



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78. B. Sullivan, C. H. Bailey, /. Am. 

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79. H. V. EuLER and M. Malmberg, Chem. 

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80. H. A. Schuette and R. C. Palmer, 

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81. J. Zimmermann, Rec. trav. Chim. 51 

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82. W. J. Blackie and G. R. Cowgill, 

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83. A. H. Gill, /. Ind. Eng. Chem. 9 (1917) 

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84. W. Brash, /. Soc. Chem. Ind. (London) 

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85. R. F. Hunter and A. D. Scott, 



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86. C. Griebel and E. Bames, Chem. 



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87. P. Karrer, H. v. Euler and H. 



Hellstrom, Chem. Centr. 1932, I, 

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