. The biology of the protozoa. Protozoa; Protozoa. Fig. 52. — Amoeba vespertilio Dof. Origin of the spindle within the nucleus (1, 2), nuclear division (5, 6, 7), and reconstruction of nuclei after division (3, 4, 8, 9). (After Doflein.) from the linin of the nucleus and with centrioles at the poles. In Chlamydophrys the endosome apparently divides before it disap- pears, the chromosomes being formed from the peripheral chromatin. In still another general type, derived also from vesicular nuclei, the chromatin in the form of chromomeres is suspended in a loose reticulum. In Opalina chromatin a
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. The biology of the protozoa. Protozoa; Protozoa. Fig. 52. — Amoeba vespertilio Dof. Origin of the spindle within the nucleus (1, 2), nuclear division (5, 6, 7), and reconstruction of nuclei after division (3, 4, 8, 9). (After Doflein.) from the linin of the nucleus and with centrioles at the poles. In Chlamydophrys the endosome apparently divides before it disap- pears, the chromosomes being formed from the peripheral chromatin. In still another general type, derived also from vesicular nuclei, the chromatin in the form of chromomeres is suspended in a loose reticulum. In Opalina chromatin appears to be aggregated in a few larger granules, which divide where they happen to be without 7. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Calkins, Gary N. (Gary Nathan), b. 1869. Philadelphia, Lea & Febiger