340 RADIATION BIOLOGY 



Wassink, E. C, and F. J. Kuiper (in preparation). Photosynthesis and redox poten- 

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Wassink, E. C, J. E. Tjia, and J. F. G. M. Wintermans (1949) Phosphate exchanges 

 in purple sulphur bacteria in connection with photosynthesis. Proc. Koninkl. 

 Ned. Akad. Wetensch., 52: 412-422. 



Wassink, E. C, D. Vermeulen, and G. H. Reman (1938) On the relation between 

 fluorescence and assimilation in photosynthesizing cells. Enzymologia, 5: 

 100-109. 



Wassink, E. C., J. F. G. M. Wintermans, and J. E. Tija (1951) Phosphate exchanges 

 in Chlorella in relation to conditions for photosynthesis. Koninkl. Ned. Akad. 

 Wetenschap. Proc, Ser. 0,54:41-52. [Preliminary communication by Wassink 

 at 7th International Botanical Congress, Stockholm, 1950; see Proceedings 

 (1953), pp. 746-747.] 



Weier, E. (1938) The structure of the chloroplast. Botan. Rev., 4: 497-530. 



Weigl, J. W., P. M. Warrington, and M. Calvin (1951) The relation of photosynthe- 

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Willstatter, R., and A. Stoll (1918) Untersuchungen iiber die Assimilation der 

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Zirkle, C. (1926) The structure of the chloroplast in certain higher plants. Am. J. 

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Manuscript received by the editor Nov. 20, 1951 



ADDENDUM* 



Notwithstanding the long time elapsed since this chapter was written, it still wovdd 

 seem to represent a fairly adequate general outline of the held. Nevertheless, the 

 author feels that it is useful to add a few references, in which specific progress is 

 either coinmunicated or surveyed. The content of most of them is clear from their 

 titles; if not, a brief comment is added. The selection, of course, is arbitrary, but an 

 attempt has been made to adapt it more or less to the outline given in the chapter. 



General reviews and books 



Gaffron, H. (1954) Mechanism of photosynthesis, /w Autotrophic microorganisms, 



Cambridge University Press, London. Pp. 152-185. 

 Lumry, R., J. D. Spikes, and H. Eyring (1954) Photosynthesis. Ann. Rev. Plant 



Physiol., 5: 271-340. Other recent survey articles are listed herein. 

 Rabinowitch, E. I. (1951) Photosynthesis and related processes, 2,1 (Spectroscopy 



and fluorescence of photosynthetic pigments; Kinetics of photosynthesis). 



Interscience Publishers, Inc., New York, London. 

 Wittingham, C. P. (1955) Energy transformation in photosynthesis and the relation 



of photosynthesis to respiration. Biol. Revs., 30: 40-64. 



Structure of chloroplasts 



Thomas, J. B. (1955) Structure and function of the chloroplast. Progr. Biophys., 5: 

 109-139. 



Wolken, J. J., and F. A. Schwertz (1954) Chlorophyll monolayers in chloroplasts. 

 J. Gen. Physiol., 37: 111-119. Recently studies of chloroplast structure, using 

 electron microscopy iu combination with idtrathin sectioning, have also been 

 made by F. S. Sjostrand and by D. von Wettstein [both at Stockholm; see 



' .\dded in proof, March, 1955. 



