Studies on Chromosomes. 545 



LITERATURE.^ 



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



Chromosomes. Biol. Bull., viii, i. 

 BoverIjTh., '04. — Ergebnisse iiber die Konstitution der Chromatischen Substanz 



des Zellkerns. Jena, 1904. 

 Gross, J., '04. — Die Spermatogenese von Syromastes marginatus. Z06I. Jahrb., 



Anat. Ontog., xx, 3. 

 Henking, H., '90. — Ueber Spermatogenese und deren Beziehung zur Entwickelung 



bei Pyrrochoris apterus. Z. wiss. Z06I., li. 

 McClung, C. E., '00. — The Spermatocyte Divisions of the Acrididae. Bull. Univ. 

 Kansas, ix, I. 

 '02, I. — ^The Spermatocyte Divisions of the Locustidse. Ibid., xi, 8. 

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

 iii, I, 2. 

 Montgomery, T. H., '98. — The Spermatogenesis in Pentatoma, etc. Z06I. 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 oeno- 



therae. Journ. Exp. Z06I, ii, 3 

 Sutton, W. S., 'go. — 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. Z06I., 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). 



