Studies on Chromosomes. 545 



LITERATURE- 1 



BAUMGARTNER, W. J., '04. Some new Evidences for the Individuality of the 



Chromosomes. Biol. Bull., viii, I. 

 BOVERI, TH., '04. Ergebnisse iiber die Konstitution der Chromatischen Substanz 



des Zellkerns. Jena, 1904. 

 GROSS, J., '04. Die Spermatogenese von Syromastes marginatus. Zool. Jahrb., 



Anat. Ontog., xx, 3. 

 HENKING, H., '90. Ueber Spermatogenese und deren Beziehungzur Entwickelung 



bei Pyrrochoris apterus. Z. wiss. Zool., li. 

 McCLUNG, C. E., 'oo. The Spermatocyte Divisions of the Acrididae. Bull. Univ. 



Kansas, ix, I. 



'02, I. The Spermatocyte Divisions of the Locustidae. Ibid., xi, 8. 

 '02, 2. The Accessory Chromosome. Sex Determinant? Biol. Bull., 



iii, i, 2. 

 MONTGOMERY, T. H., '98. The Spermatogenesis in Pentatoma, etc. Zool. Jahrb., 



Anat. Ontog., xii. 

 '01. A Study of the Chromosomes of the Germ-cells of Metazoa. Trans. 



Amer. Phil. Soc., xx. 

 '04. Some Observations and Considerations upon the Maturation 



Phenomena of the Germ-cells. Biol. Bull., vi, 3. 

 '05. The Spermatogenesis of Syrbula and Lycosa, etc. Proc. Acad. 



Nat. Sci. Phil., Feb., 1905. Issued May 18, 1905. 



MOORE AND ROBINSON, '05. On the Behavior of the Nucleolus in the Spermato- 

 genesis of Periplaneta Americana. Q. J. M. S., xlviii, 4. 

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



xv, supplement. 

 STEVENS., N. M., '05. A Study of the Germ-cells of Aphis rosae and Aphis ceno- 



therae. Journ. Exp. Zool, ii, 3 

 SUTTON, W. S., 'oo. The Spermatogonial Divisions in Brachystola magna. Bull. 



Univ. Kansas, ix, I. 

 '02. On the Morphology of the Chromosome Group in Brachystola 



magna. Biol. Bull., iv, i. 



'03. The Chromosomes in Heredity. Biol. Bull., iv, 5. 



WILSON, E. B., '05. The Behavior of the Idiochromosomes in Hemiptera. Journ. 

 Exp. Zool., ii, 3. 



Including only works directly cited in the text. A full literature-list is given in the works of 

 McClung ('02, 2) and Montgomery ('05). 



