616 RADIATION BIOLOGY 



McGregor, J. H. (1908) Abnormal development of frog embryos as a result of treat- 

 ment of ova and sperm with roentgen rays. Science, 27: 445-446. 



Mackenzie, K. (1941) Mutation and lethal effects of ultraviolet irradiation on 

 Drosophila. Proc. Roy. Soc. Edinburgh, B61: 67-77. 



and H. J. MuUer (1940) Mutation effects of ultra-violet light on Drosophila. 



Proc. Roy. Soc. (London), B129: 491-517. 



McQuate, J. T. (1950) Chromosome loss occasioned by ultraviolet treatment of 

 Drosophila spermatozoa. Records Genet. Soc. Am., 19: 114-115; Genetics, 35: 

 680-681. 



Makhijani, J. K. (1945) Mutation frequency as conditioned by the manner of appli- 

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Marinelli, L. K., B. R. Nebel, N. H. Giles, and D. R. Charles (1942) Chromosomal 

 effects of low X-ray doses on five-day Tradescanlia microspores. Am. J. Botany, 

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Marquardt, H. (1941) Die Bestimmung der Dosisabhangigkeit rontgeninduzierter 

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and H. Ernst (1940) Zytogenetische Rontgenversuche an reifenden Pollen 



von Antirrhinum majus. I. Z. Botan., 35: 191-223. 



Marshak, A. (1938a) Alteration of chromosome sensitivity to X-rays with NH4OH. 

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(1938b) Alteration of sensitivity of chromosomes to X-rays. Genetics, 23: 



158-159. 



(1938c) Stage of mitosis at which chromosomes are rendered less sensitive 



to X-rays by ammonia. Proc. Soc. Exptl. Biol. Med., 39: 194-198; Genetics, 24: 

 103-104. 



Mavor, J. W. (1929) The effect on crossing over and non-disjunction of X-raying 

 the anterior and posterior halves of Drosophila pupae. Genetics, 14: 129-159. 



Mazia, D., and G. Blumenthal (1950) Inactivation of enzyme-sul;)strate film by small 

 doses of X-rays. Symposium on radiation genetics. Oak Ridge, 1948. J. Cell- 

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Medvedev, N. N. (1933) Production of mutations by the combined action of X-rays 

 and salts of heavy metals in Drosophila melanogaster. Compt. rend. acad. sci. 

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(1935a) Artificial mutations under the combined influence of X-rays and 



salts of heavy metals in Drosophila melanogaster. Trudy Inst. Genet., 10: 211- 

 222 (Russian). 



(1935b) The contributory effect of cold with irradiation in the production of 



mutations. Compt. rend. acad. sci. U.R.S.S., 4 (9): 283-285. 



(1938) Contributory effect of heat with irradiation in the production of 



mutations. Compt. rend. acad. sci. U.R.S.S., 19: 301-302. 



Meyer, H. U. (1951) Photoreactivation of ultraviolet mutagenesis in the polar cap 

 of Drosophila. Records Genet. Soc. Am., 20: 113; Genetics, 36: 565. 



and H. J. MuUer (1952) Influence of oxygen and of temperature on the rate 



of autosomal recessive lethals induced by ultraviolet in the polar cap of Drosophila 

 melanogaster. Records Genet. Soc. Am., 21: 48; Genetics, 37: 604. 



Mickey, G. H. (1939) The influence of low temperature on the frequency of translo- 

 cations produced by X-rays in Drosophila melanogaster. Genetica, 21: 386-407. 



Moore, W. G. (1934) A comparison of the frequencies of visible mutations produced 

 by X-ray treatment in different developmental stages of Drosophila. Genetics, 

 19: 209-222. 



Mottram, J. C. (1913) On the action of beta and gamma rays of radium on the cell 

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(1935a) On alteration in sensitivity of cells toward radiation produced by 



cold and by anaerobiosis. Brit. J. Radiol., 8: 32-39. 



