An Atlas for Staging Mammalian and Chick Embryos

For the convenience of research workers, particularly those with limited knowledge of embryology, we have put together a series of tables to enable rapid identification of specific stages of embryonic development in the more commonly used mammals. Because if its frequent usage the chick embryo is included this atlas.

1. Man 2. Baboon 3. Rhesus Monkey 4. Common Marmoset 5. Lesser Galago 6. Mouse and Rat 7. Chinese Hamster and Golden Hamster 8. Guinea Pig 9. Rabbit 10. Sheep 11. Pig 12. Tree Shrew 13. Chicken 14. Correlation graphs