SPERMIOGENESIS OF HELIX ARBUSTORUM. 341 
74. Meves, Fr., Es giebt keine parallele Konjugation der Chromosomen ! — Arch. 
Zellf., 1 Bel., 1908. 
75. Montgomery, Th. H. jun., The Spermatogenesis in Pentatoma up to the for¬ 
mation of the Spermatid. — Zool. Jahrb. Anat., 12. Bd., 1898. 
76. — Further Studies on the Chromosomes of the Hemiptera heteroptera. — 
Proc. Acad. Nat. Sc. Phil., voi. 53., 1901. 
77. — Some Observations and Considerations upon the Maturation Phenomena 
of the Germ Cells. — Biol. Bull., voi. 4., 1904. 
78. — The Spermatogenesis of Syrbula and Lycosa, with General Considerations 
upon Chromosome Reduction and the Heterochromosomes. —• Proc. Acad. 
Nat. Sc. Phil., voi. 57., 1905. 
79. — Chromosomes in the Spermatogenesis of the Hemiptera heteroptera. — 
Trans. Am. Phil. Soc., N. S. voi. 21., 1906. 
80. — The terminology of Aberrant Chromosomes and their Behavior in certain 
Hemiptera. — Science, N. S. voi. 23., 1906. 
81. Moore, J. E. S., On the Structural Changes in the Reproductive Cells during 
the Spermatogenesis of Elasmobr anches. — Quart. Journ. Micr. Sc., N. S. 
voi. 38., 1895. 
82. — and A. L. Embleton, On the Synapsis in Amphibia. — Proc. Roy. Soc. 
London, B., voi. 77., 1906. 
83. — and L. E. Robinson, On the Behavior of the Nucleolus in the Spermato¬ 
genesis of Periplaneta americana. — Quart. Journ. Micr. Sc., N. S. voi. 
48., 1905. 
83a. Morse, M., The nuclear components of the sex cells of four species of 
Cockroaches. — Arch. Zellforsch., 3. Bd., 1909. 
84. Munson, J. P., Spermatogenesis of the Butterfly Papilio rutulus. — Proc. 
Boston Soc. Nat. Hist., voi. 33., 1906. 
85. Murray, J. A., Contributions to the Knowledge of the Nebenkern in the Sper¬ 
matogenesis of Pulmonata. Helix and Arion. — Zool. Jahrb. Anat., 11. Bd., 
1898. 
86. Nowlin, N., The Chromosome Complex of Melanoplus bivittatus Say. — Kan¬ 
sas Univ. Sc. Bull., voi. 4., 1908. 
87. Nusbaum, J., Die Entstehung des Spermatozoons aus der Spermatide bei Helix 
lutescens Ziegler. — Anat. Anz., 16. Bd., 1899. 
88. Otte, H., Samenreifung und Samenbildung bei Locusta viridissima. — Zool 
Anz., 30. Bd., 1906, és Zool. Jahrb. Anat., 24. Bd., 1907. 
89. Paulmier, F. C., The Spermatogenesis of Anasa tristis. — Journ. Morph., voi. 
15., Suppl., Î899. 
90. PiNNEY, E., Organization of the Chromosomes in Phrynotettix magnus. — 
Kansas Univ. Sc. Bull., voi. 4., 1908. 
91. Platner, G., Über die Spermatogenese bei den Pulmonaten. — Arch. mikr. 
Anat., 25. Bd., 1885. 
92. —- Zur Bildung der Geschlechtsprodukte bei den Pulmonaten. — Ibid., 
26. Bd., 1886. 
93. — Beiträge zur Kenntniss der Zelle und ihrer Theilungserscheinungen. — 
Ibid., 33. Bd., 1889. 
94. Popoff, M., Eibildung bei Paludina vivipara und Chromidien bei Paludina 
und Helix. Mit Anhang : Zur Frage nach dem Spermatozoendimorphismus 
bei Paludina vivipara. — Ibid., 70. Bd., 1907. 
