CHROMOSOMES, HEREDITY AND SEX. 
519 
28 . Lee, A. Bolles. — “ La reduction, etc., des chromosomes chez I’escar- 
got,” ‘ La Cellule,’ xxvii, 1910, p. 55. 
29 . “ L’etape strepsinematique des auxocytes males de I’escar- 
got,” ibid., xxvii, 1911, p. 221. 
30. Lenssen. — Contribution a I’etude du developpment et de la 
maturation des ceufs chez I’Hydatina senta,” ibid., xiv, 
1898, p. 421. ' 
31 . McClung, C. E. — “ The Accessory Chromosome — Sex Determinant ? ” 
‘ Biol. Bull.,’ iii, 1902, p. 43. 
32. Matscheck, H. — “ Eireifung bei Copepoden,” Arch. Zellforsch.,’ v, 
1910, p. 36. 
33. Meves, F. — “ Chromosomenlange bei Salamandra, nebst Bemer- 
kungen zur Individualitatstheorie der Chromosomen,” ‘Arch. 
Mikr. Anat.,’ Ixxvii, 1911, p. 273 (II Abth.). 
34 . “ Die Spermatocytenteil ungen bei der Honigbiene,” ibid., 
Ixx, 1907, p. 414. 
35 . Morgan, T. H. — “ Sex-Determination and Parthenogenesis in Pliyl- 
loxerans,” ‘ Science,’ xxix, 1909, p. 234. 
36 . “ Biological Study of Sex-Determination in Phylloxerans,” 
‘ Journ. Exp. Zool.,’ vii, 1909, p. 239. 
37 . “ Elimination of Sex-Chromosomes from Male-Producing 
Eggs of Phylloxerans,” ibid., xii, 1912, p. 479. 
38. “Sex-limited Inheritance in Drosophila,” ‘Science,'- 
xxxii, 1910, p. 120. 
39. “ Heredity of Body-Colour in Drosophila,” ‘Journ. Exp. 
Zool.,’ xiii, 1912, p. 27. 
40 . “ A Modification of the Sex-ratio in Drosophila,” ‘Zeitschr. 
f. indukt. Abstamm.,’ vii, 1912, p. 323. 
41 . and Cattell, E. — “ Data for Study of Sex-linked Inheri- 
tance,” ‘Journ. Exper. Zool.,’ xiii, 1912, p. 79. 
42. “Random Segregation versus Coupling in Mendelian In- 
heritance,” ‘Science,’ xxxiv, 1911, pp. 384 and 636. 
43 . “An Attempt to Analyse the Chromosomes of Droso- 
phila,” ‘Journ. Exp. Zool.,’ xi, 1911, p. 403. 
44 . ‘Heredity and Sex’ (New York), 1913, p. 93. 
[This list of Morgan’s papers is representative rather than complete.] 
45 . Mulsow, K. — “ Chromosomencyklus bei Ancyracanthus,” ‘Arch. 
Zellforsch.,’ ix, 1912, p. 63. 
46 . Nachtsheim, H. — “ Cytol. Studien fiber Geschlechtsbestimmung 
beider Honigbiene,” ibid., xi, 1913, p. 169. 
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