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WiLSOX, E. B. 1906. The sexual differences of the chromosome groups in Hemiptera, 

 \vith some considerations on the determination and heredity of sex. 

 Studies on Chromosomes, III. Ibid., vol. iii, No. i. 



1909A. The accessory chromosome in Syromastes and Pyrrhocoris with a com- 

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190913. The chromosomes of Metapodius. A contribution to the hypothesis 



of the genetic continuity of chromosomes. Studies on Chromosomes, \'. 

 Ibid., vol. VI, No. 2. 



1910. The chromosomes in relation to the determination of sex. Science Prog- 

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191 1. The sex chromosomes. Arch. f. Aiikr. Anat., Bd. Lxxvii, Abteilung 11, 



Heft 2. 



1912. Observations on the maturation phenomena in certain Hemiptera and 



other forms, with considerations on synapsis and reduction. Studies on 

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Von Winiwarter, H. 1912. Etudes sur la spermatogenese humaine. Arch. Biol. 

 Tome xxvii. 



\'oN Winiwarter, H., and G. Sainmont. 1909. Nouvelles recherches sur I'ovagenese 

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