BIGELOW: NUCLEAR CYCLE OF GOXIONEMUS MURBACHII. 387 



Ciamician, J. 



'78. Zur Frage iibcr die Entstehung der Geschlechtsstoffe bci den Hydroiden. 

 Zeitschr. f. wiss. Zool., Bd. 30, pp. 501-510, Taf. 31-32. 



Claus, C. 



'82. Die Entwickelung des Aequoriden-Eies. Zool. Anz., Jalirg. 5, pp. 

 284-23 S, 4 Fig. 



Coe, W. R. 



'99. The Maturation and Fertilization of the egg of Cerebratulus. Zool. 

 Jahrb., Abth. f. Anat., Bd. 12, pp. 425-476, Taf. 19-11. 



Conant, F. S. 



'98. The Cubomedusae. Mem. Biol. Lab. Johns Hopkins Univ., Vol. IV, 

 No. 1, xvi + 61 pp., PI. 1-8. 



Crampton, H. E., Jr. 



'97. Observations upon Fertilization in Gasteropods. Zool. Anz., Bd. 20, 

 No. 525, p. 63. 



Crampton, H. E. 



'99. Studies upon the early History of the Ascidian Egg. Part 1. The ova- 

 rian History of the Egg of Molgula Manhattensis. Jour. Morph., Vol. 15, 

 suppl., pp. 29-56, PI. 3. 



Doflein, F. J. T. 



'96. Die Eibildung bei Tubularia. Zeitschr. f. wiss. Zool., Bd. 62, Heft 1, 

 pp. 61-73, Taf. 2. 



Donitz [A.] 



'72. Ueber die Entwicklung der Zoospermien bei Schwimmpolypen. Sit- 

 zungsb. Gesell. naturforsch. Freuude, Berlin, 1872, pp. 54-55. 



Downing, E. R. 



: 00. The Spermatogenesis of Hydra. Science, N. S., Vol. 12, No. 293, pp. 

 228, 229. 



Downing, E. R. 



: 05. The Spermatogenesis of Hydra. Zool. Jahrb., Abth. f. Anat., Bd. 21, pp. 

 379-424, PI. 22-24. 



Dublin, L. I. 



: 05. On the Nucleoli in the Somatic and Germ Cells of Pedicellina americana. 

 Biol. Bull., Vol. 3, pp. 347-364, 14 Fig. 



Eimer, T. 



'72. Nesselzellen und Samen bei Seeschwammen. Arch. f. mikr. Anat., 

 Bd. 8, pp. 281-294, 2 Fig. 



Eisen, G. 



'99. The Chromoplasts and the Chromioles. Biol. Centralbl., Bd. 19, pp. 

 130-136, 5 Fig. 



