QUANTUM THEORY OF RADIATION ABSORPTIONS IN TISSUES 1327 



26. GowEN, J. W., and E. H. Gay. Chromosome constitution and behavior in 

 eversporting and mottling in Drosophila melanogaster. Genetics 19: 189-208. 

 1934. 



27. Haxson, F. B. An analysis of the effect of different rays of radium in producing 

 lethal mutations in Drosophila. Anat. Rec. 41 : 99. 1928. (Abstr.) 



28. Hanson, F. B. The effect of x-rays on productivity and the sex ratio. Amer. 

 Nat. 62 : 352-362. 1928. 



29. Hanson, F. B. The effect of x-rays in producing return gene mutations. Science 

 67:562-563. 1928. 



30. Hanson, F. B., and Florence Hbys. The effects of radium in producing lethal 

 mutations in Drosophila melanogaster. Science 68: 115-116. 1928. 



31. Hanson, F. B., and Florence Heys. The effect of natural (earth) radiation in 

 producing lethal mutations in Drosophila melanogaster. Anat. Rec. 44 : 293. 

 1929. (Abstr.) 



32. Hanson, F. B., and Florence Heys. Duration of the effects of x-rays on male 

 germ-cells in Drosophila melanogaster. Amer. Nat. 63: 511-516. 1929. 



33. Hanson, F. B., and Florence Heys. An analysis of the effect of different rays 

 of radium in producing lethal mutations in Drosophila. Amer. Nat. 63 : 201-213. 

 1929. 



34. Hanson, F. B., and Florence Heys. A possible relation between natural (earth) 

 radiation and gene mutation. Science 71 : 43-44. 1930. 



35. Hanson, F. B., and Florence Heys. Radium and lethal mutations in Dro- 

 sophila melanogaster. I, II. Anat. Rec. 51: 122. 1931. (Abstr.) [See also 

 Ibid. 51:121. 1931. (Abstr.)] 



36. Hanson, F. B., and Florence Heys. The effects of alpha radiation from 

 polonium in producing somatic modification in Drosophila. Rec. Genet. Soc. 

 America 2 : 57. 1933. (See also Ibid. 2 : 58. 1933.) 



37. Hanson, F. B., and Florence Heys. The relation of the induced mutation rate 

 to different physiological states in Drosophila melanogaster. III. Amer. Nat. 

 68:97-106. 1934. 



38. Hanson, F. B., and E. Stanton. The effect of increasing x-ray voltage on the 

 production of lethal mutations in Drosophila melanogaster. Anat. Rec. 44: 

 293. 1929. (Abstr.) 



39. Hanson, F. B., F. Heys, and E. Stanton. The effects of increasing x-ray 

 voltages on the production of lethal mutations in Drosophila melanogaster. 

 Amer. Nat. 65: 134-143. 1931. 



40. Harris, B. B. The effects of aging X-rayed males upon mutation frequency 

 in Drosophila. Jour. Hered. 20 : 299-302. 1929. 



41. Hertwig, G. Radiumbestrahlung unbefruchteter Froscheier und ihre Entwick- 

 lung nach Befruchtung mit normalen Samen. Arch. Mikros. Anat. 77 : 165-209. 

 1911. 



42. Hertwig, 0. Die Radiumkrankheit tierischer Keimzellen. Arch. Mikros. 

 Anat. 77: 1-164. 1911. 



43. HoLTHUSEN, H., and C. Zweifel. Einfluss der Quantengrosse auf die biologische 

 Wirkung verschiedener Strahlenqualitaten. II. Strahlentherapie 43: 249-272. 

 1932. 



44. HoLWECK, F. Essai d'interpr6tation 6nerg6tique de Taction des rayons K de 

 I'aluminium sur les microbes. Compt. Rend. Acad. Sci. [Paris] 186: 1318-1319. 

 1928. 



45. HoLWECK, F. fitude energ^tique de Taction biologique de diverses radiations. 

 Compt. Rend. Acad. Sci. [Paris] 190: 527-529. 1930. 



46. HoLWECK, F., and A. Lacassagne. Etude de la radiosensibilit6 du B. prodigiosus 

 aux rayons x mous. Compt. Rend. Acad. Sci. [Paris] 100: 1101. 1929. {See 

 aZso Ibid. 104: 1221-1223. 1930;107:120-123. 1931.) 



