174 CELL HEREDITY 



Benzer, S., 1955. I'iiic stnicturi' of a gciirtic rrgion in hactcrioplianc. I'roc. 



Natl. Acad. Sci. Wash.. 41:344-354. 

 Benzer, S., 1959. On tin- topology <'f gciictic fine .strncturc. Proc. \'(ill .\c(i(l. 



Sci. Wash.. 45:1607-1620. 

 Demerec, M., Z. Hartman, P. E. Hartman, T. ^ ura, J. S. (iot.s, H. Ozeki, and 



S. W. Glover, 1956. Genetic studies with l)acteria. Camc^ic Inst, of Wash. 



Ptthl. 612, 136 pp. 

 Genetics Soc. Am., 1955. Symposium on pseudoalleles and the theory of the 



gene. Am. Naturalist. 89:65-127. (I'apers by (ireen, Lewis, Laughnan, Stor- 



mont, and Stephens, all of whom work with higher plants or animals. ) 

 Pontecorvo, G., 1958. Trends in Genetic Aivilysis. 145 pp. New York, 



Columbia University Press. 



