. The cell; outlines of general anatomy and physiology. for examination in the animal kingdom are the tissue cells ofyoung larvae of Salamandra maculata, of Triton, the spermatozoaof mature animals, the segmentation spheres of small transparenteggs, especially of Nematodes (Ascaris megalocephala), and ofEchinoderms (Toxopneustes lividus). Amongst plants the proto-plasm of the endosperm of the embryo sac, especially of Fritil-laria imperiaiis, and the developing pollen cells of Liliacese, areespecially to be recommended. a. Cell division, as it occurs in the Salamandramaculata, as an example of
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