562 Specific Rejerences 



locations, and an inversion in Zea mays. Univ. Mo. Res. Bull. 163 :3-30. 



B. McClintock. 1938. The production of homozygous deficient 



tissue with mutant characteristics by means of the aberrant mitotic be- 

 havior of ring-shaped chromosomes. Genetics 23:315-376. B. Mc- 

 Clintock. 1938. The fusion of broken ends of sister half-chromatids fol- 

 lowing chromatid breakage at meiotic anaphases. Univ. Mo. Res. Bull. 



290:1-48. B. McClintock. 1941, The association of mutants with 



homozygous deficiencies in Zea mays. Genetics 26:542-571. K. 



Mather. 1934. The behaviour of meiotic chromosomes after X-irradiation. 

 H ere ditas 19:303-322. A. Muntzing. 1934. Chromosome fragmenta- 

 tion in a Crepis hybrid. Hereditas 19:284-302. L. F. Randolph. 



1941. Genetic characteristics of the B chromosomes in maize. Genetics 26: 

 608-631. C. M. Rick. 1940. On the nature of X-ray induced dele- 

 tions in Tradescantia chromosomes. Genetics 25:466-482. K. Sax. 



1931. Chromosome ring formation in Rhoeo discolor. Cytologia 3:36-53. 



K. Sax. 1938. Chromosome aberrations induced by X-rays. 



Genetics 23:494-516. L. J. Stabler. 1933. On the genetic nature of 



induced mutations in plants II. A haplo-viable deficiency in maize. Univ. 



Mo. Res. Bull. 204:3-29. E. Sutton. 1935. Half-deficiencies in an 



association of four chromosomes in Pisuni sativum. Ann. Bot. 49:689-698. 



E, Sutton. 1940. Terminal deficiencies in the X chromosome of 



Drosophila melanogaster. Genetics 25:628-635. C. R. Swanson. 



1940. The distribution of inversions in Tradescantia. Genetics 25:438-465. 



T. W. Whitaker. 1936. Fragmentation in Tradescantia. Amer. J. 



Bot. 23:517-519. M. J. D. White. 1937. The effect of X-rays on the 



first meiotic division in three species of Orthoptera. Proc. Roy. Soc. (Lon- 

 don), Ser. B 124:183-196. 



CHAPTER 25 



J. Belling and A, F, Blakeslee. 1924. The configurations and sizes of 

 the chromosomes in the trivalents of 25-chromosome Daturas. Proc. Nat. 



Acad. Sci. 10:116-120. A. F. Blakeslee. 1921. The Globe, a simple 



trisomic mutant in Datura. Proc. Nat. Acad. Sci. 7:148-152. A. F. 



Blakeslee. 1924. Distinction between primary and secondary chromo- 

 somal mutants in Datura. Proc. Nat. Acad. Sci. 10:109-116. A. F. 



Blakeslee. 1928. Genetics of Datura. Verh. V. Internal. Kong. Vererb. 



1:117-130. A. F. Blakeslee and A. G. Avery. 1938. Fifteen-year 



breeding records of 2n -\- 1 types in Datura stramonium. Cooperation in 



Research, Carnegie Inst. Wash. Publ. 501:315-351. A. F. Blakeslee 



and M. E. Farnham. 1923. Trisomic inheritance in the Poinsettia mutant 

 of Datura. Amer. Natur. 57:481-495. C. B. Bridges. 1916. Non- 

 disjunction as proof of the chromosome theory of heredity. Genetics 1:1- 



52; 107-163. C. B. Bridges. 1921. Genetical and cytological proof 



of non-disjunction of the fourth chromosome of Drosophila melanogaster. 



Proc. Nat. Acad. Sci. 7:182-192. D. G. Catcheside. 1936. Origin, 



nature and breeding behavior of Oenothera Lamarckiana trisomies. J. 

 Genet. 33:1-23. D. G. Catcheside. 1937. The extra chromosome of 



