78 EDMUND B. WILSON 



ROBERTSON, W. R. B. 1908 The Chromosome Complex of Syrbula admirabilis. 

 Sci. Bull., Univ. Kansas, 4, 13. 



STEVENS, N. M. 1905 Studies in Spermatogenesis with Especial Reference to 

 the "Accessory Chromosome." Carnegie Inst., Wash., Pub. no. 36. 



1906 A Comparative Study of the Heterochromosomes in Certain 

 Species of Coleoptera, Hemiptera and Lepidoptera, with Especial 

 Reference to Sex Determination. Ibid., No. 36, Part 2. 



1908 A Study of the Germ-cells of Certain Diptera, with Reference 

 to the Heterochromosomes and the Phenomena of Synapsis. Journ. 

 Exp. Zool., 5, 3. 



1909 Further Studies on the Chromosomes of Coleoptera. Ibid., 6, 1. 



STRASBURGER, E. 1907 Ueber die Individuality der Chromosomen und die 

 Pfropfhybridenfrage. Jahrb. Wiss. Bot., 44, 3. 



1909 Histologische Beitrage, 7, Zeiptunkt der Bestimmung des 

 Geschlechts, Apogamie, Parthenogenesis und Reduktionsteilung. 

 Jena, 1909. 



SUTTON, W. S. 1900 The Spermatogonial Divisions in Brachystola magna. 

 Kansas Univ. Bull., 1, 3. 



WALLACE, L. B. 1909 The Spermatogenesis of Aglaena nsevia. Biol. Bull., 17, 2- 



WASSILIEFF, A. 1907 Die Spermatogenese von Blatta germanica. Arch. Mik- 

 Anat., 70. 



WILSON, E. B. 1905a The Chromosomes in Relation to the Determination of 

 Sex. Science, n. s., 27, 564. 



19056 The Behavior of the Idiochromosomes in Hemiptera. Stud- 

 ies on Chromosomes, I. Journ. Exp. Zool., 2, 3. 



1905c The Paired Microchromosomes, Idiochromosomes and Hetero- 

 tropic Chromosomes in Hemiptera. Studies on Chromosomes, II. 

 Journ. Exp. Zool., 2, 4. 



1906 The Sexual Differences of the Chromosomes in Hemiptera, etc. 

 Studies on Chromosomes, III. Ibid., 3, 1. 



1907 The Case of Anasa tristis. Science, n. s., 25, 631. 



1908 The Accessory Chromosome of Anasa tristis. Report of Am. 

 Soc. Zool., Science, n. s., 27, 690. 



1909a Recent Researches on the Determination and Heredity of 



Sex. Vice-presidential Address, A. A. A. S., Science, n. s., 732. 



19096 The Accessory Chromosome in Syromastes and Pyrrhocoris. 



Studies on Chromosomes, IV. Journ. Exp. Zool., 6, 1. 



1909c The Chromosomes of Metapodius. A Contribution to the 



Hypothesis of the Genetic Continuity of Chromosomes. Studies on 



Chromosomes, V. Ibid., 6, 2. 



1909d Secondary Chromosome-couplings and the Sexual Relations 



in Abraxas. Science, n. s., 29, 748. 



