The microscope and its revelations . d into anthe-rozoids before conjugation, wliilst that of the other aggregates uito a spo-rangial mass; thus exhibiting the second stage of diflerentiation. Further,thex-e are certain species which agree with the ordinary Conjugatese m theirgeneral habit, and which form resting-spores hke theu-s, but in which noconjugation has been observed; and it seems not improbable that in these, asin Sphseroplea, the antherozoids make their way out of the sperm-ceU bypainute apertures in its wall, and swim freely about before finding then wayinto the germ-ceU through th
The microscope and its revelations . d into anthe-rozoids before conjugation, wliilst that of the other aggregates uito a spo-rangial mass; thus exhibiting the second stage of diflerentiation. Further,thex-e are certain species which agree with the ordinary Conjugatese m theirgeneral habit, and which form resting-spores hke theu-s, but in which noconjugation has been observed; and it seems not improbable that in these, asin Sphseroplea, the antherozoids make their way out of the sperm-ceU bypainute apertures in its wall, and swim freely about before finding then wayinto the germ-ceU through the apertures in its wall;—still, however, per-forming by this means the very same act, as that which is aceomphshed bythe more direct process of conjugation,—viz., the introduction of the contentsof the sperm-cell into the interior of the germ-ceU. BATEACHOSPERlIEiE -CHAEACE^. 359 cative subdivision, tliis single cell becomes converted into abeaded filament. Certain of these branches, however, instead of radiatinsr from Fig. ^^
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