GENETIC AND CYTOLOGICAL EFFECTS 283 



Reuss, A. (1935) ttbcr die Auslosung von Mutationen durch Bestralihiiif^ crwach- 

 sener Drosophila-Mannchen mit ultraviolcttem Licht. Z. iiidukt. Abstamm.- u. 

 Vererbungslehre, 70: 523-525. 



Schidtz, J. (1951) The effect of ultra-violet radiation on a ring chromosome in 

 Zea mays. Proc. Natl. Acad. Sci. U.S., 37: 590-600. 



Sell-Beleites, I., and A. Catsch (1942) Mutationauslosung durch ultraviolettes Licht 

 bei Drosophila. I. Dosieversuche mit filtriertem Ultraviolett. Z. indukt. 

 Abstamm.- u. Vererbungslehre, 80: 551-557. 



Singleton, W. R. (1939) Cytological observations on deficiencies produced by treat- 

 ing maize pollen with ultraviolet light. Genetics, 24: 109. 



Singleton, W. R., and F. J. Clark (1940) Cytological effects of treating maize pollen 

 with ultraviolet light. Genetics, 25: 136. 



Slizynski, B. M. (1942) Deficiency effects of ultra-violet light in Drosophila melano- 

 gaster. Proc. Roy. Soc. Edinburgh, B61: 297-315. 



Sprague, G. F. (1942) Transmission tests of maize mutants induced by ultraviolet 

 radiation. Iowa State .\gr. Expt. Sta. Research Bull., 292. 



Stadler, L. J. (1941a) Genetic studies with ultraviolet radiation. Proc. 7th Intern. 

 Congr. Genet. (Edinburgh, 1939), J. Genet., Suppl. Pp. 269-276. 



(1941b) The comparison of ultraviolet and X-ray effects on mutation. Cold 



Spring Harbor Symposia Quant. Biol., 9: 168-177. 



Stadler, L. J., and H. Roman (1943) The genetic nature of X-ray- and ultraviolet- 

 induced mutations affecting the gene A in maize. Genetics, 28: 91. 



^ (1948) The effect of X rays upon mutation of the gene A in maize. Genetics, 



33: 273-303. 



Stadler, L. J., and G. F. Sprague (1936a) Genetic effects of ultraviolet radiation in 

 maize. I. Unfiltered radiation. Proc. Natl. Acad. Sci. U.S., 22: 572-578. 



(1936b) Genetic effects of ultra-violet radiation in maize. II. Filtered 



radiations. Proc. Natl. Acad. Sci. U.S., 22: 579-583. 



(1936c) Genetic effects of ultra-violet radiation in maize. III. Effects of 



nearly monochromatic ' 2537, and comparison of effects of X-ray and ultra-violet 

 treatment. Proc. Natl. Acad. Sci. U.S., 22: 584-591. 



(1937) Contrasts in the genetic effects of ultraviolet radiation and X rays. 



Science, 85: 57-58. 

 Stadler, L. J., and F. AI. Uber (1938) Preliminary data on genetic effects of mono- 

 chromatic ultraviolet radiation in maize. Genetics, 23: 171. 



(1942) Genetic effects of ultraviolet radiation in maize. IV. Comparison of 



monochromatic radiations. Genetics, 27: 84-118. 



Straub, J. (1941) Chromosomenmutationen nach U.V.-Bestrahlung. Naturwissen- 

 schaften, 29: 13-15. 



Stubbe, H. (1930) Untersuchungen liber experimentelle Auslosung von Mutationen 

 bei Antirrhinum majiis. I. Rontgenstrahlen, ultraviolettes Licht, Temperatur- 

 schocks und Zentrifugierungen. Z. indukt. Abstamm.- u. Vererbungslehre, 56: 

 1-38. 



Stubbe, H., and W. Noethling (1936) Untersuchungen iiber experimentelle Aus- 

 losung von Mutationen bei Antirrhinum majus. VI. Die Auslosung von Gen- 

 mutationen durch kurzwelliges Ultraviolet. Z. indukt. Abstamm.- u. Ver- 

 erbungslehre, 72: 378-386. 



Swanson, C. P. (1940) A comparison of chromosonuil aberratioii.s induced by X-ray 

 and ultraviolet radiation. Proc. Natl. .\cad. Sci. U.S., 26: 36()-373. 



(1942) The effects of ultraviolet and .\-ray treatniciit on the pollen 1iil)(> 



chromosomes of Trudescatitia. Genetics, 27: 491 503. 



— — (1943) Differential sensitivity of prophase pollen tube chromosomes to X 



rays and ultraviolet radiation. J. Gen. Physiol., 26: 485-494. 



