ORIENTATION XXIU 



Subseries 3. Cetacea or marine mammals 

 Order 1 1 . Odontoceti or toothed whales 



Examples: Porpoises, sperm whales, killer whales, narwhals 

 Order 12. Mystacoceti or whalebone whales 



Examples: Sulphur-bottom whales, right whales, finback whales 

 Subseries 4. Primates or mammals with flattened, distal modifications 

 of the digits known as nails 

 Order 13. Primates 



Examples: Man, monkeys, lemurs, apes 



