314 GERM-CELL CYCLE IN ANIMALS 
Bucuner, P. 1910. Die Schicksale des Keimplasmasder Sa- 
gitten in Reifung, Befruchtung, Keimbahn, Oogenese und 
Spermatogenese. Festschr. R. Hertwig. Bd.I. Jena. 
—— 1912. Studien an intracellularen Symbionten. Arch. 
Protist. Bd. 26. 
Buntine, M. 1894. The Origin of Sex-Cells in Hydractinia 
and Podocoryne, and the Development of Hydractinia. 
Journ. Morph. Vol. 9. 
Burescu, I. 1911. Untersuchungen iiber die Zwitterdriise 
_ der Pulmonaten. Arch. Zellf. Bd. 7. 
Catxins, G. N. 1911. Protozodn Germ Plasm. Pop. Sci. 
Monthly. 
Carotuers, E. E. 1913. The Mendelian Ratio in Relation to 
Certain Orthopteran Chromosomes. Journ. Morph. Vol. 
QA, 
Carter, H. J. 1849. A Descriptive Account of the Fresh- 
water Sponges, etc. Ann. Mag. Nat. Hist. (2). Vol. 4. 
CastLeE, W. E. 1896. The Early Embryology of Ciona intes- 
tinales. Bull. Mus. Comp. Zoél. Vol. 27. 
Cauuuery, M. 1913. Les Problémes de la Sexualité. Paris. 
Cuampy, C. 1913. Recherches sur la Spermatogénése des 
Batraciens et les éléments accessoires du testicule. Arch. 
Zool. Exp. T. 52. 
Cuitp, C. M. 1900. The Early Development of Arenicola 
and Sternapsis. Arch. Entwick. Bd. 9. 
—— 1904. Amitosis in Moniezia. Anat. Anz. Bd. 25. 
— 1906. The Development of Germ Cells from Differen- 
tiated Somatic Cells in Moniezia. Anat. Anz. Bd. 29. 
— 1907a. Studies on the Relation between Amitosis and 
Mitosis, I and II, in Biol. Bull. Vol. 12. III in Anat. 
Anz. Bd. 30. 
— 1907b. Amitosis as a Factor in Normal and Regulatory 
Growth. Anat. Anz. Bd. 30. 
— 1910. The Occurrence of Amitosis in Moniezia. Biol. 
Bull. Vol. 18. 
—— 1911. The Method of Cell Division in Moniezia. Biol. 
Bull. Vol. 21. 
