REFERENCES TO LITERATURE. 
(1) Roperts, JoHN. 1922. Food animals and meat consumption in United States, 
1907-1921. Circular 241, U. S. Dept. of Agr., Bureau Animal Industry. 
(2) Lanewortny, C. F., and Hunt, Carouine L. 1910. Economical use of meat in 
the home. Farmers’ Bulletin 391, U. 8. Dept. Agr. 
(3) SHeRMAN, H.C. 1918. Chemistry of Food and Nutrition, 2d ed., p. 387. 
(4) Eyxman,C. 1906. Uber Ernahrungspolyneuritis.. In Arch. Hyg., v. 58, p. 150. 
(5) Watson, C.,and Hunter, A. 1906. The influence of diet on growth and nu- 
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(6) CoorpErR, E. A. 1912. On the protective and curative properties of certain 
foodstuffs against polyneuritis induced in birds by a diet of polished rice. 
In Journ. Hyg., v. 12, p. 436. 
(7) OsBoRNE, T.B.,and Menpet, L. 1917. Nutritive factors in animal tissues. I. 
In Journ. Biol. Chem., v. 32, p. 309. 
(8) CoE, SypNEY W. 1917. Report on a dried meat powder. Report British 
Food War Comm., No. 42. 
(9) VoretTitiIn, Cart, and Lake, G. C. 1919. Experimental mammalian poly- 
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(10) McCottum, E. V., Smmmonps, Nina, and Parsons, H. T. 1921. I. The 
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(11) DutcHerR, R. A., Ecxises, C. H., Danze, C. D., MrEap, S. W., and ScHAEFER, 
O.G. 1920. The influence of diet of the cow upon the nutritive and anti- 
scorbutic properties of cow’s milk. In Journ. Biol. Chem., v. 45, p. 119. 
(12) Drummonp, J. C., Goupine, G., Zuva, 8. S.,and Howarp, Ke H. 1920. The 
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(13) Drummonp, J. C., Cowarp, K. H., and Watson, A. F. 1921. Notes on the 
factors influencing the value of milk and butter as sources of vitamin A. 
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(14) KENNEDY, CorNELIA, and DutcHer, R.A. 1922. The influence of the diet of 
the cow upon the quantity of vitamins A and B in milk. In Journ. Biol. 
Chem., v. 50, p. 339. 
( 15) CooPER, E. A. 1914. Protective and curative properties of certain foodstuffs 
against polyneuritis induced in birds by a diet of polished rice. In Journ. 
Hye., Vela pr 22. 
(16) McCottum, E. V., and Davis, M. 1915. The influence of certain vegetable 
fats on growth. In Journ. Biol. Chem., v. 21, p. 179. 
(17) Eppy, WattEr H. 1916. The isolation of a growth promoting substance from 
sheep pancreas. In Journ. Biol. Chem., v. 27, p. 113. 
(18) OsBornez, T.B.,and Menpet, L. 1918. Nutritive factorsin animal tissues. II. 
In Journ. Biol. Chem., v. 34, p. 17. 
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