10 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 8/ 



Delf, E. Marion. 



1928. The influence of ultra-violet light on plants. Biol. Rev. and Biol. 

 Proc. Cambridge Phil. Soc, vol. 3, pp. 260-269. 

 Delf, E. Marion, Ritson, K., and Westbrook, A. 



1927-8. The effect on plants of radiations from a quartz mercury vapour 

 lamp. British Journ. Exp. Biol., vol. 5, pp. 138-153- 

 Ellis, Carleton, and Wells, Alfred A. 



1925. The chemical action of ultra-violet rays. New York. 

 Eltinge, E. 



1928. The effects of ultra-violet radiation upon higher plants. Ann. Missouri 



Bot. Garden, vol. 15, pp. 169-240. 

 Engelmann, Th. W. 



1882. Ueber Sauerstoffausscheidung von Pflanzenzellen im Mikrospectrum. 

 Bot. Zeit., vol. 40, pp. 419-426. 



1887. Zur Abwehr. Gegen N. Pringsheim und C. Timiriazeff. Idem, vol. 



45, pp. lOO-IIO. 



1888. Die Purpurbacterien und ihre Beziehungen zum Lichte. Idem, vol. 



46, pp. 677-689, 693-701, 709-720. 

 Gates, F. L. 



1929. A study of the bactericidal action of ultra-violet light. I. The re- 



action to monochromatic radiation. Journ. Gen. Phys., vol. 13, 

 pp. 231-248. 



1929. A study of the bactericidal action of ultra-violet light. II. The 



effect of various environmental factors and conditions. Idem, vol. 

 13, PP- 249-260. 



1930. A study of the bactericidal action of ultra-violet light. III. The ab- 



sorption of ultra-violet light by bacteria. Idem, vol. 14, pp. 32-4^. 

 Hertei, E. 



1905. Ueber physiologische Wirkung von Strahlen verschiedener Wellen- 



liinge. Zeit. f. Allgem. Phys., vol. 5, pp. 95-122. 

 Hutchinson, A. H., and Ashton, Miriam R. 



1929. The specific effects of monochromatic light on the growth of para- 



moecium. Can. Journ. Res., vol. 4, pp. 293-304. 

 Hutchinson, A. H., and Newton, Dorothy. 



1930. The specific effects of monochromatic light on the growth of yeast. 



Idem, vol. 2, pp. 249-263. 

 Johnson, Frank H. 



1931. Cellophane covers for petri dishes for keeping out contaminations 



and studying the effects of ultra-violet light. Science, vol. 73, 

 pp. 679-680. 

 Mashimo, Toshikazu. 



1919. A method of investigating the action of ultra-violet rays on bac- 

 teria. Kyoto Imp. Univ. Col. Sci. Mem., vol. 4, pp. i-ii. 

 McAlister, E. D. 



1929. The spectrum of the neutral mercury atom in the wave-length range 

 from I-2/J.. Phys. Rev., vol. 34. pp. 1142-1147. 

 Meier, Florence E. 



1929. Recherches experimentales sur la formation de la carotine chez les 

 Algues vertes unicellulaires et sur la production de la gelee chez 

 un Stichococcus (S. mesenteroides) . Bull. Soc. Bot. de Geneve, 

 vol. 21 (i), pp. 161-197. 



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