984 BIOLOGICAL EFFECTS OF RADIATION 



41. MiEGE, E., and H. Coupe. De 1' influence des rayons X sur la vegetation. 

 Compt. Rend. Acad. Sci. [Paris] 159: 338-340. 1914. 



42. Moore, C. N., and C. P. Haskins. Note on premature flowering in grapefruit 

 from X-rayed seeds. Science 76: 167-168. 1932. 



43. Morgan, W. P. Growth irregularities in hybrid freesias induced by X-rays. 

 Indiana Acad. Sci. 41: 139-144. 1932. 



44. Nakagawa, T. The biological study of radiosensitivity. I. Japanese Jour. 

 Obst. and Gynecol. 14: 218-224. 1931. 



45. Narimatsu, K. Investigation of the histological change in plant shoots caused 

 by X-rays. Especially the effect upon the arrangement of tissues in the seed of 

 Vicia faba. Japanese Jour. Obst. and Gynecol. 14: 50-58. 1931. 



46. Navashin, M. a preliminary report on some chromosome alterations by 

 X-rays in Crepis. Amer. Nat. 65: 242-252. 1931. 



47. Patten, Ruth E. P., and Sylvia B. Wigoder. Effect of X-rays on seeds. 

 Nature 123 : 606. 1929. 



48. Petry, E. Zur Kenntnis der Bedingungen der biologischen Wirkungen der 

 Rontgenstrahlen. II. Mitteilung. Biochem. Zeitsch. 128 : 326-353. 1922. 



49. Pfeiffer, T., and W. Simmermacher. The influence of Rontgen rays on the 

 seeds of Vicia faba as shown in the development of the plants. Landw. Vers. 

 Stat. 86 : 35-43. 1915. 



60. Promsy, G., and M. P. Drevon. Influence des rayons X sur la germination. 

 Rev. Gen. Bot. 24 : 177-197. 1912. 



51. Reinhard, M. C, and K. L. Tucker. Hourly variations in effect of equal 

 roentgen-ray doses on growth of Vicia faba seedlings. Amer. Jour. Roentgenol. 

 19: 71-73. 1928. (See also (a) Jour. Cancer Res. 12: 26-29. 1928.) 



52. Reiss, p. Sur I'excitation des bourgeons des plantes par les rayons X. Compt. 

 Rend. Soc. Biol. [Paris] 92: 984r-986. 1925. 



53. Rivera, Vinoenzo. Azione dei raggi Rontgen sopra mcristenii normali di 

 Ricinus communis. Boll. R. Staz. Pat. Veg. 6: 144-152. 1926. 



54. Rivera, Vincenzo. Introduzione alio studio dclla radiosensibilita di Vicia 

 faba. Riv. Biol. 8 : 505-539. 1926. 



55. Russ, Sidney. Growth and division of cells as affected by radiation. Sci. 

 Prog. 13: 605-613. 1919. 



56. Scaglia, G., and O. Businco. Effctti delle irradiazioni Roentgen suU'accresci- 

 mento di Hyacinthus orientalis. Arch. Fisiol. 29: 48-87. 1930. 



57. SoHWARZ, E. Der Wachstumsreiz der Rontgenstrahlen auf pflanzliche und 

 tierische Gewebe. Munch. Med. Wochcnsch., Nr. 39. 1913. (5fe a^soUmschau 

 18: 15-16. 1914.) 



58. ScHWARZ, G., A. CzEPA, and H. Schindler. Zum Problem der wachstums- 

 fordernden Reizwirkung der Rontgenstrahlen bei hoheren Pflanzen. Fortsch. 

 Geb. Rontgenstr. 31: 665-680. 1924. 



59. Seckt, H. Uber den lOinfluss der X-Strahlen auf den pflanzlichen Organismus. 

 Ber. Deut. Botan. Ges. 20: 87-93. 1902. 



60. Shull, C. a., and J. W. Mitchell. Stimulative effects of X-rays on i)laiit 

 growth. Plant Physiol. 8: 287-296. 1933. 



61. Snyder, G. E. Effect of X-rays on developing corn. Proc. Pennsylvania 

 Acad. Sci. 4 : 32-34. 1930. 



62. Sprague, H. B., and M. Lenz. The effect of X-rays on potato tubers for "seed." 

 Science 69 : 606. 1929. 



63. Stadler, L. J. Some genetic effects of X-rays in plants. Jour. Hered. 21 : 

 3-19. 1930. 



64. Stadler, L. J. The experimental modification of heredity in crop plants. I. 

 Scientific Agric. 11 : 557-572. 1931. 



