318 VEKTEBRATE ANIMALS. 



Order 5. — Cetacea. 

 Order 6. — Ungidata. 

 Oi'der 7. — Dinocerata. 

 Order 8. — Tillodontia. 

 Order 9. — Toxodontia. 

 Order 10. — Hyracoidea. 

 Order 11. — Prohoscidea. 

 Order 12. — Carnivora. 

 Order 13. — Rodentia. 

 Order 14. — Cheiroptera. 

 Order 1 5. — Insectivora. 

 Order 16. — Qxiadrumana. 

 Order 17. — Biniana. 



