314 THE THEORY OF THE GENE 



1917. The elimination of males in alternate generations of sex-con- 



trolled lines. Anat. Eec. XI. 



— 1917. An intrinsic difficulty for the variable force hypothesis of cross- 

 ing over. Amer. Nat. LI. 



— - 1917. Deficiency. Genetics. II. 



— 1918. Maroon— a recurrent mutation in Drosophila. Proc. Nat. Acad. 



Sc. IV. 

 — 1919. Duplications. Anat. Kec. XX. 



1919. The genetics of purple eye color in Drosophila melanogaster. 



Jour. Exp. Zool. XXVIII. 



1919. Specific modifiers of eosin eye color in Drosophila melanogaster. 



Ibid. XXVIII. 



1919. Vermilion-deficiency. Jour. Gen. Physiol. I. 



1919. The developmental stages at which mutations occur in the germ 



tract. Proc. Soc. Exp. Biol, and Med. XVII. 



1920. White-ocelli — an example of a " slight ' ' mutant character with 



normal viability. Biol. Bull. XXXVIII. 

 — 1920. The mutant crossveinless in Drosophila melanogaster. Proc. Nat. 



Acad. Sc. VI. 



— - 1921. Gametic and observed ratios in Drosophila. Amer. Nat. LV. 

 1921. Proof of non-disjunction for the fourth chromosome of Droso- 



phila melanogaster. Science, n.s. LIII. 



1921. Current maps of the location of the mutant genes of Drosophila 



melanogaster. Proc. Nat. Acad. Sc. VII. 



1921. Genetical and cytological proof of non-disjunction of the fourth 



chromosome of Drosophila melanogaster. Ibid. VII. 

 — 1921. Triploid intersexes in Drosophila melanogaster. Science, n.s. 

 LIV. 



1925. Sex in relation to chromosomes and genes. Am. Nat. LIX. 



Bridges, C. B., and Morgan, T. H. 1919. The second-chromosome group of 

 mutant characters. Carnegie Inst. Wash. No. 278. 



1923. The third-chromosome group of mutant characters of Drosophila 



melanogaster. Ibid. No. 327. 



Bonnier, G. 1922. Double sex-linked lethals in Drosophila melanogaster. 

 Acta Zool. III. 



1923. Studies on high and low non-disjunction in Drosophila melano- 

 gaster. Hereditas. IV. 



- 1923. tiber die Realisierung verschiedener Geschlechtsverhaltnisse bei 



Drosophila melanogaster. Zeit. f. ind. Abst.-Vererb. XXX. 

 - 1923. On different sex-ratios in Drosophila melanogaster. Ibid. XXXI. 

 1924. Contributions to the knowledge of intra- and inter-specific rela- 



tionships in Drosophila. Acta Zool. V. 

 Boveri, Th. 1908. tJber die Beziehung des Chromatins zur Geschlechts- 



bestimmung. Sitz. Phys.-Med. Gesell. Wiirzburg, Dez. 

 ■ 1909. Die Blastomerenkerne von Ascaris megalocephala und die Theorie 



der Chromosomen-Individualitat. Arch. Zellf. III. 



1909. Uber Geschlechtschromosomen bei Nematoden. Arch. Zellf. IV. 



1911. Uber die Charaktere von Echiniden-Bastardlarven bei Hermaph- 



roditismus. Verh. Phys.-Med. Gesell. Wiirzburg. XLI. 



