smith: directed mutation 433 



43. Loveless, A. 1959. The influence of radiomimetic substances on 



deoxyribonucleic acid synthesis and function studied in Escheri- 

 chia coli phage systems: III. Mutation of T2 bacteriophage as 

 a consequence of alkylation in vitro: the uniqueness of ethyla- 

 tion. Proc. Royal Soc. London, Ser. B, 150: 497-508. 



44. . I960. Some observations on the interaction between 



alkylating agents and phage and their relevance to problems of 

 chemical mutagenesis. Chemische Mutagenese (H. Stubbe, edi- 

 tor) Berlin: Akad. Verlag, 71-75. 



45. Mailing, H., Miltenburger, H., Westergaard, M., and Zimmer, 



K. G. 1959. Differential response of a double mutant — adenineless, 

 inositollness — in Neurospora crassa to combined treatment by 

 ultra-violet radiation and chemicals. Intern. Jour. Radiation 

 Biol., 1: 328-343. 



46. Merz, T., Cohen, N. S., and Swanson, C. P. 1959. The interaction 



of localized and randomized chromatid breaks produced by 

 treatment with X-rays and radiomimetic compounds. Abstract in 

 Genetics, 44: 527 . 



47. Moutschen-Dahmen, J. and M. 1958. Sur revolution des lesions 



causees par la 8-ethoxycafeine chez Hordeum sativum et chez 

 Vicia faba. Hereditas, 44: 18-36. 



48. . 1958. L'action du Myleran (di-methane-sulfonyloxy-bu- 



tane) sur les chromosomes chez Hordeum sativum et chez Vicia 

 faba. Hereditas, 44: 415-446. 



49. Mundry, K. W., and Gierer, A. 1958. Die Erzeugung von Muta- 



tionen des Tabakmosaikvirus durch chemische Behandlung 

 seiner Nucleinsaure in vitro. Zeits. VerebL, 89: 614-630. 



50. Nakada, D., Strelzoff, E., Rudner, R., and Ryan, F. J. 1960. Is 



DNA replication a necessary condition for mutation? Zeits. Ver- 

 erbl, 91: 210-213. 



51. Nakao, Y., Tazima, Y., and Sakurai, Y. 1958. Specificity of inter- 



actions between the individual gene locus and the structure of 

 chemical mutagens. Zeits. VererbL, 89: 216-220. 



52. Nickell, L. G. 1955. Effects of antigrowth substances in normal 



and atypical plant growth. Antimetabolites and Cancer, AAAS, 

 129-151. 



53. Reiner, B., and Zamenhof, S. 1957. Studies on the chemically 



reactive groups of deoxyribonucleic acids. Jour. Biol. Chem., 

 228: 475^86. 



54. Ross, W. C. J. 1957. In vitro reactions of biological alkylating 



agents. Ann. N. Y. Acad. Sci., 68: 669-681. 



