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Stevens, N. M. 



'04 On the Germ Cells and the Embryology of Planaria simplissima. Proc. 



Acad. Nat. Sci. Phila., Vol. 56, Pt. i. 



'05 Studies in Spermatogenesis. Pub. Carn. Inst. Wash., 36. 

 '06 Studies in Spermatogenesis. II. Ibid. 



'o8a A Study of the Germ Cells of Certain Diptera, with Reference to the 

 Heterochromosomes and the Phenomena of Synapsis. Journ. Exp. Zool., 

 Vol. 5, No. 3- 

 'o8b The Chromosomes in Diabrotica vittata, Diabrotica soror and Diabrotica 



i2-punctata. Journ. Exp. Zool., Vol. 5, No. 4. 

 '09 Further Studies on the Chromosomes of the Coleoptera. Journ. Exp. Zool., 



Vol. 6, No. i. 

 '10 The Chromosomes in the Germ Cells of Culex. Journ. Exp. Zool., Vol. 8, 



No. 2. 

 'na Further Studies on Heterochromosomes in Mosquitoes. BIOL. BULL., 



Vol. 20, No. 2. 



'lib Heterochromosomes in the Guinea-Pig. BIOL. BULL., Vol. 21, No. 3. 

 Taylor, M. 



'14 The Chromosome Complex of Culex pipiens. Quart. Journ. Micr. Sci.. 



Vol. 60, Pt. 3. 

 Wasserman, F. 



'13 Die Oogenese des Zoogonus mirus. Arch. f. mikr. Anat., Bd. 83, Abt. 2. 

 Wassilief, A. 



'07 Die Spermatogenese von Blatta germanica. Arch. f. mikr. Anat., Bd. 70. 

 Wieman, H. L. 



'13 Chromosomes in Man. Am. Journ. Anat., Vol. 14, No. 4. 

 Wilcox, E. V. 



'oo Human Spermatogenesis. Anat. Anz., Bd. 17. 

 Wilson, E. B. 



Studies on Chromosomes. I. Journ. Exp. Zool., Vol. 2, No. 3. 

 Studies on Chromosomes. II. Journ. Exp. Zool., Vol. 2, No. 4. 

 '06 Studies on Chromosomes. III. Journ. Exp. Zool., Vol. 3, No. i. 

 'oga. Studies on Chromosomes. IV. Journ. Exp. Zool., Vol. 6, No. i. 

 'ogb Studies on Chromosomes. V. Journ. Exp. Zool., Vol. 6, No. 2. 

 'OQC The Female Chromosome Groups in Syromastes and Pyrrhocoris. BIOL. 



BULL., Vol. 16, No. 4. 

 Winiwarter, H. von. 



'oo Le corpuscule intermediaire et le nombre des chromosomes du Lapins 



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 '01 Recherches sur 1'Ovogenese et 1'Organogenese de 1'Ovaire des Mammiferes 



(Lapin et Homme). Arch, de Biol., T. 17. 



'12 Etudes sur la Spermatogenese Humaine. Arch, de Biol., T. 27. 

 Winiwarter and Sainmont. 



'09 Nouvelles Recherches sur 1'Ovogenese et 1'Organogenese de 1'Ovaire de. 



Mammiferes (Chat). Arch, de Biol., T. 24. 

 Wodsedalek, J. E. 



'13 Spermatogenesis of the Pig with Special Reference to the Accessory Chromo- 

 somes. BIOL. BULL., Vol. 25, No. i. 



* The papers marked with an asterisk were inaccessible. 



