Studies on Chromosomes 2OI 



MEVES, Fr. Die Spermatocytenteilungen bei der Honigbiene, etc. Arch. Mikr. 



Anat., Ixx. 

 MONTGOMERY, T. H. '01 A Study of the Germ-cells of Metazoa. Trans. Am. 



Phil. Soc., xx. 

 '06 Chromosomes in the Spermatogenesis of the Hemiptera Heteroptera. 



Ibid., xxi, 3. 

 PAULMIER, F. C. '99 The Spermatogenesis of Anasa tristis. Journ. Morph., xv, 



Suppl. 



SCHREINER, K. E. AND A. 'o8 Gibt es eine parallele Konjugation der Chromo- 

 somen ? Videnskebs-Selskabets Skrifter. i. Math-Naturw. Klasse, 

 1908, no. 4. 



STEVENS, N. M. '06 Studies in Spermatogensis. II. A Comparative Study of 

 the Heterochromosomes in Certain Species of Coleoptera, Hemiptera 

 and Lepidoptera, etc. Carnegie Institution. Pub. 36, ii. 

 'o8a A Study of the Germ-cells of Certain Diptera, etc. Journ. Exp. 



Zool., v. iii. 



'o8b The Chromosomes in Diabrotica vittata, etc. Ibid., v, iv. 

 STRASBURGER, E. '08 Chromosomenzahlen, Plasmastrukturen,Vererbungstrager 



und Reduktionsteilung. Jahr. wiss. Bot., xlv, iv. 



WILSON, E. B. '053 Studies on Chromosomes, I. Journ. Exp. Zool., ii. 

 'o5b Studies, etc. II. Ibid., ii, iv. 

 '06 Studies, etc., III. Ibid., iii, I. 

 '09 Studies, etc., IV Ibid., vi, I. 

 '073 Note on the Chromosome-groups of Metapodius and Banasa. Biol. 



Bull., xii, 5. 

 '07!) The Supernumerary Chromosomes of Hemiptera. Report of May 



Meeting. N. Y. Acad. Sci. Science, n. s., xxvi, 677. 

 'o7c The Case of Anasa tristis. Science, n. s., xxv, 631. 



