284 C. N. H. LONG 



emy. I trust that my contemporaries will say as he did to them, "These 

 fruitless efforts are rather a proof of the obscurity of the problem than 

 the sterility of those who studied it." 



REFERENCES 



1. Biedl, A. Janus, 75, 193, 1910, 



2. Smith, P. E. Amer. J. Anat., 45, 205, 1930. Anat. Rec, 52, 191, 1932. 



3. Li, C. H., H. M. Evans, and M. E. Simpson. /. Biol. Chem., 14P, 413, 



1943- 



4. Sayers, G., A. White, and C. N. H. Long. 7. Biol. Chem., 14P, 425, 



1943- 



5. Vogt, M. /. Physiol., 103, 317, 1944. 



6. Sayers, G., M. A. Sayers, E. G. Fry, A. White, and C. N. H. Long. 

 Yale J. Biol. Med., 16, 361, 1944. 



7. Sayers, G., M. A. Sayers, T. Y. Liang, and C. N. H. Long. Endocrin- 

 ology, 3/, 96, 1945. 



8. Lowenstein, B. E., and R. L. Zwemer. Endocrinology, 38, 6t^, 1946. 



9. Price, W. H., S. P. Colowick, and C. F. Cori. /. Biol. Chem., 160, 



633. 1945- 



10. Long, C. N. H. Recent Progress in Hormone Research, I, 99, 1947. 

 Academic Press, New York. 



11. Vogt, M. /. Physiol., 104,. 60, 1945. 



12. Sayers, G., and M. A. Sayers. Endocrinology, 40, 265, 1947. 



13. Long, C. N. H., and F. D. W. Lukens. /. Exp. Med., 63, 465, 1936. 



14. White, A. Harvey Lectures 1947-48. 



