CHROMOSOME ABERRATIONS IN ANIMALS ()99 



— and G. Radu (1943) tJber die Abhiingigkeit der rontgeninduzierten Trans- 

 lokationrate von Reifezustand der bestrahlen Gameten bei Drosophila melano- 

 gaster. Naturwissenschaften, 31: 368-369. 



and A. Kanellis (1943) Die Dosisproportionalitat der durch Rontgen- 



bestrahlung ausgelostem Translokationen zwischen II und III Chromosom bei 



Drosophila melanogaster. Naturwissenschaften, 31: 368. 

 Clark, A. M., and E. M. Kelly (1950) Differential radiosensitivity of haploid and 



diploid prepupae and pupae of Habrobracon. Cancer Research, 10: 348-352. 

 Cocchi, U., and B. Uggeri (1944) Die Wirkung der Rontgenstrahlen auf den Heu- 



schreckenhoden. Strahlentherapie, 75: 96-109. 

 Cold Spring Harbor Symposia on Quantitative Biology (1941) Genes and chromo- 

 somes. Structure and organization. Vol. 9, pp. 1-315. 

 Cooper, K. W. (1946) Detachment frequency of attached-X chromosomes in autosomal 



structural heterozygotes of Drosophila melanogaster. Proc. Natl. Acad. Sci. U.S., 



32: 273-275. 



(1949) The cytogenetics of meiosis in Drosophila. Mitotic and meiotic 



autosomal chiasmata without crossing over in the male. J. Morphol., 84: 81-122. 

 Creighton, M. ( 1941 ) The effects of X-rays on mitotic and meiotic chromosomes and 



cell division in Chorthippus longicomis (Orthoptera). J. Exptl. Zool., 37: 347- 



369. 

 and B. H. Evans (1941) Some effects of X-rays on the germ cells of Chorthip- 

 pus longicomis (Orthoptera). J. Morphol., 69: 187-205. 

 Crouse, H. V. (1950) The differential response of male and female germ cells of 



Sciara coprophiia (Diptera) to irradiation. Am. Naturalist, 84: 195-202. 

 Dalcq, A., and S. Simon (1932) Contributions a l'analyse des fonctions nucleaires 



dans l'ontogenese de la grenouille. II. Le role dynamique des chromosomes mis 



en evidence par lesion mecanique ou irradiation des gametes. Protoplasma, 



14: 497-555. 

 Dale, W. M. (1940) Effect of X-rays on enzymes. Biochem. J., 34: 1367-1373. 

 ■ (1942) Effects of X-rays on the conjugated protein d-amino acid oxidase. 



Biochem. J., 36: 80-85. 

 , J. V. Davies, and W. J. Meredith (1949) Further observations on the 



protection effect in radiation chemistry. Brit. J. Cancer, 3: 31-41. 



Darlington, C. D. (1942) Chromosome chemistry and gene action. Nature, 149: 

 66-69. 



■ and P. C. Roller (1947) The chemical breakage of chromosomes. Heredity, 



1: 187-221. 



Delbriick, M. (1940) Radiation and the hereditary mechanism. Am. Naturalist, 

 74: 350-362. 



Demerec, M. (1937) Relationship between various chromosomal changes in Dro- 

 sophila melanogaster. Cytologia, Fujii Jubilee vol., pp. 1125-1132. 



- and U. Fano (1941) Mechanism of the origin of X-ray-induced notch defi- 

 ciencies in Drosophila melanogaster. Proc. Natl. Acad. Sci. U.S., 27: 24-31. 



- and (1944) Frequency of dominant lethals induced by radiation in 



sperms of Drosophila melanogaster. Genetics, 29: 348-360. 



and J. G. Farrow (1930a) Non-disjunction of the X-chromosomes in Dro- 

 sophila virilis. Proc. Natl. Acad. Sci. U.S., 16: 707-710. 



and (1930b) Relation between the X-ray dosage and the frequency of 



primary nondisjunction of X-chromosomes in Drosophila virilis. Proc. Natl. 

 Acad. Sci. U.S., 16: 711-714. 



— • and M. E. Hoover (1936) Three related X-chromosome deficiencies in 



Drosophila. J. Heredity, 27: 207-212. 



and B. P. Kaufmann (1937) The Gene. Carnegie Inst. Wash. Year Book, 



No. 36, pp. 44-51. 



