1204 BIOLOGICAL EFFECTS OF RADIATION 



42. Friesen, H. Artificially induced crossing over in males of Drosophila melano- 

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43. Glass, H. B. A study of dominant mosaic eye-color mutants in Drosophila. 

 Proc. VI Internat. Congr. Genet. 2 : 62-63. 1932. 



44. Glass, H. B. A study of dominant mosaic eye color mutants in Drosophila 

 melanogaster.il. Jour. Genet. 28 : 69-112. 1933. 



45. Glass, H. B. A study of dominant mosaic eye color mutants in Drosophila 

 melanogaster. I. Amer. Nat. 68: 107-114. 1934. 



46. GowEN, J. W., and E. H. Gay. On eversporting as a function of the Y chromo- 

 some in Drosophila melanogaster. Amer. Nat. 67: 68. 1933. 



47. GowEN, J. W., and E. H. Gay. Eversporting as a function of the Y chromo- 

 some in Drosophila melanogaster. Proc. Nation. Acad. Sci. 19 : 122-126. 1933. 



48. Greb, R. J. Effects of X-radiation on production of mosaic males and on sex- 

 ratio in Habrobracon. Amer. Nat. 67: 88-93. 1933. 



49. Heitz, E. tJber totale und partielle somatische Heteropyknose, sowie struk- 

 turelle Geschlechtschromosomen bei Drosophila funebris. Zeitsch. Zellforsch. 

 und Mikr. Anat. 19: 720-742. 1933. 



50. Heitz, E. Die somatische Heteropyknose bei Drosophila melanogaster und 

 ihre genetische Bedeutung. Zeitsch. Zellforsch. und Mikr. Anat. 20 : 237-287. 

 1933. 



51. Heitz, E., and H. Bauer. Beweise fiir die Chromosomennatur der Kern- 

 schleifen in den Knauelkernen von Bibio hortulanus. Zeitsch. Zellforsch. und 

 Mikr. Anat. 17: 67-82. 1933. 



52. Helwig, E. R. The effect of X-rays on the chromosomes of Circotettix veru- 

 culatus (Orthoptera). Amer. Nat. 67: 62. 1933. 



53. Hertwig, p. Durch Radiumbestrahlung hervorgerufene Veranderungen in den 

 Kernteilungsfiguren der Eier von Ascaris megalocephala. Arch. Mikrosk. Anat. 

 77:301-312. 1911. 



54. Just, E. E. A cytological study of effects of ultra-violet light, on the egg of 

 Nereis limbata. Zeitsch. Zellforsch. und Mikr. Anat. 17: 25-50. 1933. 



55. Kaufmann, B. p. Interchange between X- and Y-chromosomes in attached X 

 females of Drosophila melanogaster. Proc. Nation. Acad. Sci. 19: 830-838. 

 1933. 



56. Kaufmann, B. P. Somatic mitoses of Drosophila melanogaster. Jour. 

 Morphol. 56: 125-155. 1934. 



57. Levan, a. Cytological studies in Allium. II. Hereditas 16: 257-294. 1932. 



58. Levit, S. G. Step-allelomorphism in Drosophila melanogaster. V. Jour. Exp. 



Biol. (Russian) 6: 287-299. 1930. 



59. Lewitsky, G. a., and A. G. Araratian. Transformations of chromosomes 

 under the influence of X-rays. Bull. Appl. Bot., Genetics, Plant Breeding 27: 

 256-303. 1931. 



60. Li, J. C. The effect of chromosome aberrations on development in Drosophila 

 melanoga.ster. Genetics 12 : 1-58. 1927. 



61. Mavor, J. W. The production of non-disjunction by X-rays. Science 65: 

 29&-297. 1922. 



62. Mavor, J. W. The production of non-disjunction by X-rays. Jour. Exp. 

 Zool. 39: 381-432. 1924. 



63. Mavor, J. W. Gynandromorphs from X-rayed mothers. Amer. Nat. 68: 525- 

 529. 1924. 



64. Mavor, J. W. The effect on cro.ssing over and non-disjunction of X-raying 

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

 159. 1929. 



