14 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 95 



DUGGAR, B. M. 



1936. Biological effects of radiation. (Articles by H. W. Popp and F. 

 Brown, and E. S. Johnston in vol. 2.) New York. 

 Johnston, Earl S. 



1934. Phototropic sensitivity in relation to wave length. Smithsonian Misc. 

 Coll., vol. 92, no. II, pp. 1-17. 

 Katunskij, V. M: 



1936. Growth-promoting substance and the formative action of light in 

 plants. Compt. Rend. (Doklady) Acad. Sci. U. R. S. S. 1936, 

 pt. 2, no. 6, pp. 241-244. 

 Laibach, F. 



1936. tjber den Einfluss des Lichtes auf das Reaktionsvermogen der Pflanze 

 gegenuber Wuchsstoff. Jahrb. Wiss. P.ot., vol. 83, pp. 324-339. 

 Navez, a. E. 



1933- Growth-promoting substance and illumination. Proc. Nat. Acad. Sci., 



vol. 19, pp. 636-638. 

 1936. Growth substances and light effects. Report presented at the meeting 

 of the New England Section of the American Society of Plant 

 Physiologists, Storrs, Conn. May 8, 1936. 

 Nielsen, N. 



1930. Untersuchungen iiber einen neuen Wachstums regulierenden Stoff : 

 Rhizopin. Jahrb. Wiss. Bot., vol. "/Tj, pp. 125-191. 



SODING, H. 



1936. Wirkt der Wuchsstoff artspezifisch? Jahrb. Wiss. Bot., vol. 82, 

 PP- 534-554- 

 Thimann, K. v., and Skoog, F. 



1934. On the inhibition of bud development and other functions of growth 



substance in Vicia faba. Proc. Roy. Soc. London, ser. B, vol. 114, 

 PP- 317-339- 

 Van Overbeek, J. 



1932. An analysis of phototropism in dicotyledons. Proc. Kon. Akad. 



Wetensch. Amsterdam, vol. 35, pp. 1325- 1335. 



1933. Wuchsstoff, Lichtwachstumsreaktion und Phototropismus bei Ra- 



phanns. Rec. Trav. Bot. Neerl., vol. 30, pp. 537-626. 

 1936. Different action of auxin-a and of hereroauxin. Proc. Nat. Acad. 



Sci., vol. 22, pp. 187-190. 

 1936 a. Growth hormone and mesocotyl growth. Rec. Trav. Bot. Neerl., 



vol. 2>3, PP- 333-340- 

 Went, F. W. 



1928. Wuchsstoff und Wachstum. Rec. Trav. Bot. Neerl., vol. 25, pp. 1-116. 



1935. Hormones involved in root formation. The phenomenon of inhibition. 



Proc. Int. Bot. Congr. Amsterdam, vol. 2, pp. 267-269. 



