VIII. VERTE- 

 BRATES 



ii. Primates: Man, monkey. 

 10. Carntvora : Dog, lion, skunk. 

 9. Ungulates : Ox, horse, deer. 

 8. Sirenians : Dugong. 

 7. Cetaceans : Whale, porpoise. 

 6. Chiroptera: Bat. 



5. MAMMALS \ 5. Insectivora : Mole, hedgehog. 

 4. Rodents : Rat, mouse, beaver. 

 3. Edentates: Sloth, ant-eater. 

 2. Marsupials: Kangaroo, 



opossum. 

 I. Monotremes: Duckbill, 



echidna. 



4. BIRDS : Ostrich, owl, lark. 

 3. REPTILES : Snake, lizard, turtle. 

 2. AMPHIBIANS : Frog, salamander, 

 i. FISHES : Shark, salmon, lung-fish. 



{4. ARACHNIDS : Spider, tick, king-crab. 

 3. INSECTS : Ant, fly, bug, beetle. 

 2. CRUSTACEANS : Crayfish, crab, barnacle, 

 i. MYRIAPODS: Centiped, milliped. 



VI. MOLLUSKS : Clam, oyster, snail, squid. 



V. WORMS : Earthworm, leech, trichina. 

 IV. ECHINODERMS : Star-fish, sea-urchin. 

 III. CELENTERATES : Hydra, coral, jelly-fish. 



II. PORIFERA: Sponge. 

 I. PROTOZOA : Amoeba, euglena, paramecium. 



CLASSES OF ANIMALS 



