. The eggs of mammals . Fig. 15 Fig. 16 Plate I. (From the Journal of Morphologij) Figs. 1-5. Nuclei of ova from ovary of rat 5 days post partum. 1, Deutobroch nucleus in germinal epithelium. 2, Leptotene nucleus. 3, Synizesis. 4, Pachynema. 5, Diplonema. Figs. 6-9. Nuclei of ova from ovary of rat 8 days post partum. 6, Deutobroch nucleus. 7, Synizesis. 8, Stage following 7, evidently modified pachynema. 9, Dip- lonema. Figs. 10-13. Nuclei of ova from ovary of rat 10 days post partum. 10, Deutobroch nucleus. 11, Synizesis. 12, Modified pachynema. 13, Diplonema. Figs. 14-16. Nuclei of ova from


. The eggs of mammals . Fig. 15 Fig. 16 Plate I. (From the Journal of Morphologij) Figs. 1-5. Nuclei of ova from ovary of rat 5 days post partum. 1, Deutobroch nucleus in germinal epithelium. 2, Leptotene nucleus. 3, Synizesis. 4, Pachynema. 5, Diplonema. Figs. 6-9. Nuclei of ova from ovary of rat 8 days post partum. 6, Deutobroch nucleus. 7, Synizesis. 8, Stage following 7, evidently modified pachynema. 9, Dip- lonema. Figs. 10-13. Nuclei of ova from ovary of rat 10 days post partum. 10, Deutobroch nucleus. 11, Synizesis. 12, Modified pachynema. 13, Diplonema. Figs. 14-16. Nuclei of ova from ovary of rat 15 days post partum. 14, Deutobroch nucleus. 15, Modified pachynema. 16, Masses of chromatin changing into loose threads. 12


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