The cell in development and inheritance . y divided, and the aster, y. Laterstage; the daughter-nucleus established ; divergence of the centrosomes. Beyond this point thecentrosomes have not been followed. types, of mitosis no true chromosome-formation occurs, thus sustainingBrauers conclusion that the essential fact in the history of the chro-matin in mitosis is the fission of the individual granules.^ ^The fission of the individual granules is carefully described and figured by Schewiakoffin Achroniatiuni. ^ For speculations on the historical origin of the centrosome, etc., see p. 315. DETAI
The cell in development and inheritance . y divided, and the aster, y. Laterstage; the daughter-nucleus established ; divergence of the centrosomes. Beyond this point thecentrosomes have not been followed. types, of mitosis no true chromosome-formation occurs, thus sustainingBrauers conclusion that the essential fact in the history of the chro-matin in mitosis is the fission of the individual granules.^ ^The fission of the individual granules is carefully described and figured by Schewiakoffin Achroniatiuni. ^ For speculations on the historical origin of the centrosome, etc., see p. 315. DETAILS OF MITOSIS 97 4. Pathological Mitoses Under certain circumstances the delicate mechanism of cell-divisionmay become deranged, and so give rise to various forms of patho-logical mitoses. Such a miscarriage may be artificially produced, asHertwig, Galeotti, and others have shown, by treating the dividingcells with poisons and other chemical substances (quinine, chloral,nicotine, potassic iodide, etc.). Pathological mitoses may,
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