402 THE VITAMINES 



69. McCoLLUM, E. V. AND PITZ, W. : The "vitamine" hypothesis and defi- 



ciency diseases. A study of experimental scurvy. J. Biol. Chem., 

 31, 229, 1917. 



70. HOPKINS, F. G. : Feeding experiments illustrating the importance of 



accessory factors in normal dietaries. J. Physiol. 44, 425, 1912. 



71. OSBORNE, T. B. AND MENDEL, L. B.: Feeding experiments with isolated 



food-substances. Publ. Cam. Inst., Wash., No. 156, Part I and II. 



72. The same. Feeding experiments with fat-free food mixtures. J. Biol. 



Chem. 12, 81, 1912; H. 80, 307, 1912. 



73. The same. Maintenance experiments with isolated proteins. J. Biol. 



Chem. 13, 233, 1912. 



74. HOPKINS AND NEVILLE: A note concerning the influence of diets upon 



growth. Biochem. J. 7, 97, 1913. 



75. McCoLLUM AND DAVIS, M. : The necessity of certain lipins in the diet 



during growth. J. Biol. Chem. 15, 67, 1913. 



76. OSBORNE AND MENDEL: The relation of growth to the chemical constit- 



uents of the diet. J. Biol. Chem. 15, 311, 1913. 



77. The same. The influence of butter-fat on growth. Ibid. 16, 423, 1913. 



78. McCoLLUM AND KENNEDY. Ibid. 24, 491, 1916. 



79. DRUMMOND, J. C. : Note on the role of the antiscorbutic factor in nutri- 



tion. Biochem. J. 13, 77, 1919. 



80. FUNK. CASIMIR: What is a vitamine? J. A. M. A. 66, 1650, 1916. 



80a. DRUMMOND, J. C. : The nomenclature of the so-called accessory food 

 factors (vitamines). Biochem. J. 14, 660, 1920. 



81. FUNK, CASIMIR AND MACALLUM, A. B., JR.: Die chemischen Deter- 



minanten des Wachtsums. Ztschr. f. Physiol. Chem. 92, 13, 1914. 



82. McCoLLUM AND DAVIS : Observations on the isolation of the substance 



in butter-fat which exerts a stimulating influence on growth. J. 

 Biol. Chem. 19, 245, 1914. 



83. OSBORNE AND WAKEMAN: Does butter-fat contain nitrogen and phos- 



phorus? Ibid. 21, 91, 1915. 



84. WRAMPELMEYER, E. : Der Lecithingehalt der Butter. Landw. Vers. 



Sta. 42, 437, 1892. 



85. SUPPLEE, G. C. : The lecithin content of butter and its possible relation- 



ship to the fishy flavor. Corn. Univers. Agr. Exp. Stat. 29, 101, 

 1919. 



86. FUNK, CASIMIR AND MACALLUM, A. B., JR.: Studies on growth. II. 



On the probable nature of the substance promoting growth in 

 animals. "J. Biol. Chem. 23, 413, 1915. 



87. DANIELS, AMY L. AND LOUGHLIN, ROSEMARY: Note on the fat-soluble 



growth-promoting substance in lard and cotton-seed oil. Ibid. 

 42, 359, 1920. 



88. SEIDELL, ATHERTON: Vitamines and nutritional diseases; a stable 



form of vitamine. U. S. Publ. Health Rep., Repr., 325, 1916. 



89. HARDEN, A. AND ZILVA, S. S. : Differential behavior of the antineuritic 



and antiscorbutic factors towards adsorbents. Biochem. J. 12, 93, 

 1918. 



