372 THE VITAMINS 



1924. A simple method of measuring the intensity of uhraviolet light with 

 comparative results on a number of physiological reactions. Am. J. Physiol. 

 69, 200-209. 



1925. Ultraviolet light and scurvy. Science 61, 45-47. 



1928. The probable amount of ultra-violet radiation obtained indoors through 

 ultra-violet transmitting glasses. Science 68, 165, 166. 



1929. The zinc sulpBide method of measuring ultra-violet radiation and the 

 results of a year's observations on Baltimore sunshine. Am. J. Hyg. 9, 

 646-662. 



Clausen, E. M. L. 



1928. Eflfect of infra-red radiation on growth of rachitic rat. Proc. Soc. 

 Exptl. Biol. Med. 26, 77, 78. 



1929. The use of isolated radiations in experiments with the rat. I. The 

 effect of infra-red radiation on the growth of the rachitic rat. /. Nutrition 2, 

 125-153. 



Clayton, M. M. 



1927. The influence of diets containing unsaturated animal fats on repro- 

 duction and lactation in the rat. /. Biol. Chem. 74, LXXIV. 



Clenshaw, E. and Smedley-Maclean, I. 



1929. The nature of the unsaponifiable fraction of the lipoid matter extracted 

 from green leaves. Biochem. J. 23, 107-109. 

 Clow, B. and Marlatt, A. L. 



1929. The antirachitic factor in burbot-liver oil. Ind. Eng. Chem. 21, 281, 

 282. 



1930. Studies of vitamin C in fresh and canned tomatoes. /. Agr. Research 40, 

 767-775. 



Clow^, B., Marlatt, A. L., Peterson, W. H. and Martin, E. A. 



1929. The vitamin C content of fresh sauerkraut and sauerkraut juice. /. Agr. 

 Research 39, 963-971. 



Clow, B., Parsons, H. T. and Stevenson, I. 



1930. The vitamin-C content of commercially canned sauerkraut, together 

 with some observations on its vitamin-A content. /. Agr. Research 41, 

 51-64. 



Cluver, E. H. 



1929. Pellagra among the maize-eating natives of the Union of South Africa. 

 Brit. Med. J. No. 3590, 751-754. 

 Coblentz, W. W. 



1928. Spectral characteristics of light sources and window materials used in 

 therapy. Trans. Ilium. Eng. Soc. (N. Y.) 23, 247-301. 



1929. Sources of ultra-violet radiation and their physical characteristics. 

 /. Am. Med. Assocn. 92, 1834-1837. 



Cocking, T. T. and Price, E. A. 



1926. The search for colour reactions of vitamin "A". Pharm. J. 63, 175-178. 

 Cohen, B. and Mendel, L. B. 



1918. Experimental scurvy of the guinea pig in relation to the diet. /. Biol. 



Chem. 35, 425-453. 

 Collazo, J. A. 



1922. Untersuchungen iiber den Kohlehydratstoffwechsel bei der Avitaminose. 



I. Uber den Blutzucker. Biochem. Z. 134, 194-214. 



