BIBLIOGRAPHY 517 



1930. The response of the monkey (Macacus rhesus) to withdrawal of vitamin 

 A from the diet. /. Nutrition 3, 121-140. 

 Tisdall, F. F. 



1922. The calcium and phosphorus concentration in the serum of infants with 

 mild rickets or a condition simulating mild rickets. Am. J. Diseases Children 

 24, 382-386. 



a. The effects of ultraviolet rays on the calcium and inorganic phosphate 

 content of the blood serum of rachitic infants. Can. Med. Assocn. J. 12, 

 536-538. 

 Tisdall, F. F. and Brown, A. 



1927. Seasonal variation of the antirachitic effect of sunshine. Am. J. Diseases 

 Children 34, 721-736. 



a. Antirachitic effect of skyshine. Am. I. Diseases Children 34, 737-741. 



b. Antirachitic value of the sun's rays through various special window 

 glasses. Am. J. Diseases Children 34, 742-752. 



1928. Seasonal variation of the antirachitic effect of sunshine. Arn. J. Diseases 

 Children 36, 734-739. 



1929. Relation of the altitude of the sun to its antirachitic effect. /. Am. 

 Med. Assocn. 92, 860-864. 



1930. The antirachitic value of irradiated wheat. /. Am. Med. Assocn. 94, 

 854-856. 



Tisdall, F. F., Drake, T. G. H., Summerfeldt, P. and Brown, A. 



1930. A new wheat irradiated biscuit containing vitamins and mineral ele- 

 ments. Can. Pub. Health J. 21, 68-75. 

 Tisdall, F. F. and Price, H. W. 



1927. The effect of sunshine on the acidity of the intestinal tract of rachitic 

 rats. Bidl. Johns Hopkins Hosp. 41, 432-436. 



Titus, R. W., Hughes, J. S., Hinshaw, W. R. and Fitch, J. B. 



1926. Destruction of vitamin A in milk by ultraviolet light. Ind. Eng. Chem. 

 18, 843. 

 Tixier, G. 



1929. Verification spectrographique de I'activation de I'ergosterol sous I'in- 

 fluence de I'irradiation par les rayons ultraviolets. Compt. rend. 188, 206-208. 



Tobler, W. 



1918. Der Skorbut im Kindesalter. Z. Kinderheilk. (Originalien) 18, 63-158. 

 Tonney, F. O., Hoeft, G. L. and Somers, P. P. 



1930. Loss in actinic intensity in urban sunshine due to air pollution. /. Pre- 

 ventive Med. 4, 139-148. 



Tonney, F. O., Somers, P. P. and Marti, W. C. 



1928. Actinic measurement of solar ultra-violet light and some correlations 

 with the erythema dose. /. Preventive Med. 2, 493-511. 



Toverud, G. 



1923, The influence of diet on teeth and bones. /. Biol. Chem. 58, 583-600. 

 Towle, E. C. and Merrill, E. C. 



1928. Preliminary studies of the Rosenheim-Drummond color tests of vitamin 



A in cod-liver oil. Am. J. Pharm. 100, 601, 602. 

 Toyoda, T. 



1923. Experimental studies on vitamin with special reference to the vitamin 



content of the Japanese eggplant and orange. Chugwai lyi Shimpo (Intern. 



