Observations on Coprozoic Flagellates: Together with a Suggestion as to the Significance of the Kinetonucleus in the Binucleata . 5 6 7 Text-fig. F.—Conjugation in Spiromonas (second method). Flagella are undoubtedly present up to about Stage 6, but as they could not be made out clearly they are not represented. several zygotes in the condition of fig. F 6, and the next morning their place wastaken by forms such as that shown in fig. F 7. The same condition has now beenattained as described above (of. fig. E 6). (I may mention that in preparations inwhich syngamy according to this method is ta
Observations on Coprozoic Flagellates: Together with a Suggestion as to the Significance of the Kinetonucleus in the Binucleata . 5 6 7 Text-fig. F.—Conjugation in Spiromonas (second method). Flagella are undoubtedly present up to about Stage 6, but as they could not be made out clearly they are not represented. several zygotes in the condition of fig. F 6, and the next morning their place wastaken by forms such as that shown in fig. F 7. The same condition has now beenattained as described above (of. fig. E 6). (I may mention that in preparations inwhich syngamy according to this method is taking place, there are no cases of two AND THE SIGNIFICANCE OF THE KINETONUCLEUS IN THE BINUCLEATA. 393 separate gametes inside a cyst, , a stage like that of fig. F 7 has not been reachedby the first method.) The rest of the process is just as above ; . here, however, thezygote apparently always goes on spasmodically rotating inside the cyst for severalhours before being liberated. Syngamy, according to this second method, takesseveral hours longer than it does by the first method. I never saw this methodoccurring in
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