THE VISUAL PIGMENTS 



Bliss, A. F. (1946). The chemistry of daylight vision. /. gen. Physiol. , 



29, 277-297. 

 Braude, E. a., Jones, E. R. H., Koch, H. P., Richardson, R. W., 



SoNDHEiMER, F. and TooGOOD, J. B. (1949). Studies in light absorption. 



Part VI : Steric inhibition of resonance in natural and synthetic deriva- 

 tives of cyclo hexene. /. chem. Soc, 1890-1897. 

 Chase, A. M. (1937). An accessory photosensitive substance in visual 



purple regeneration. Science, 85, 484. 

 Chase, A. M. and Smith, E. L. (1939). Regeneration of visual purple in 



solution. /. gen. Physiol., 23, 21-39. 

 Collins, F. D. and Morton, R. A. (1950). Studies in rhodopsin. 3: 



Rhodopsin and transient orange. Biochem. /., 47, 18-24. 

 Crescitelli, F. and Dartnall, H. J. A. (1 954). A photosensitive pigment 



of the carp retina. /. Physiol, 125, 607-627. 

 Dalvi, p. D. and Morton, R. A. (1952). Preparation of neoviidimm A 



esters and /zeoretinenci. Biochem. J., 50, 43-48. 

 Careers, C. F., Eugster, C. H. and Karrer, P. (1952). Carotinoid- 



synthesen X. Weitere stereoisomere l,18-Diphenyl-3,7,12,16-tetra- 



methyloctadecanonaene. Zugleich ein Beitrag zu L. Pauling's Theorie 



der sterischen Hinderung bei cis-trans-isomQiQn Polyenen. Helv. Chim. 



Acta., 35, 1850-1864. 

 Goodwin, T. W. (1953). The biogenesis of carotenoids. /. Sci. Food 



Agric, 209-220. 

 Granit, R. (1941). A relation between rod and cone substances, based on 



scotopic and photopic spectra of cyprinus. tinea, anguilla and testudo. 



Acta physiol. scand., 2, 334-346. 

 Henbest, H. B. and Woods, G. (1952). Studies in the polyene series. 



Part XL: Preparation and properties of 2-acetyl-l : 3: 3-trimethyl cyclo 



hexene. /. chetn. Soc, 1150-1154. 

 Hubbard, R., Gregerman, R. I. and Wald, G. (1953). Geometrical 



isomers of retinene. /. gen. Physiol, 36, 415-429. 

 Hubbard, R. and Wald, G. (1951). The mechanism of rhodopsin syn- 

 thesis. Proc. natl Acad. Sci. Wash., 37, 69-79. 

 Hubbard, R. and Wald, G. (1952). Cis-trans isomers of vitamin A and 



retinene in the rhodopsin system. /. gen. Physiol, 36, 269-315. 

 Klyne, W. (1954). Progress in stereochemistry 1. Ed. by Klyne, W. 



London, Butterworth's scientific publications. 

 Lewis, G. N. and Calvin, M. (1939). The colour of organic substances. 



Chem. Rev., 25, 273-328. 

 Oroshnik, W., Karmas, G. and Mebane, A. D. (1952). Synthesis of 



polyenes. 1: Retro vitamin A methyl ether. Spectral relationships 



between the j5-ionylidene and re/roionylidene series. /. Am. chem. Soc, 



74, 295-304. 

 Pauling, L. (1939). Recent work on the configuration and electronic 



structure of molecules; with some applications to natural products. 



Fortschr. Chem. org. Naturstoffe, 3, 203-235 

 Robeson, C D. and Baxter, J. G. (1947). A^^ovitamin A. /. Am. chem. 



Soc, 69, 136-141. 



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