1. The Animal Cell
2. The Ovum
3. The SpermatozoΓΆn
4. Fertilization of the Ovum 5. Segmentation of the Fertilized Ovum
6. The Neural Groove and Tube
7. The Notochord
8. The Primitive Segments
9. Separation of the Embryo
10. The Yolk-sac
11. Development of the Fetal Membranes and Placenta
12. The Branchial Region
13. Development of the Body Cavities
14. The Form of the Embryo at Different Stages of Its Growth

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