CONTENTS 



1. Introductory : The Animal Organism 



2. Amceba ..... 



3. Flagellate Protozoa 



4. monocystis .... 



5. CiLiATE Protozoa 



6. The Protozoa as Parasites of Man 



7. The Classification of Protozoa . 



8. Sponges ..... 



9. Hydra and Obelia . 



10. Flatworms .... 



11. Roundworms .... 



12. Parasitism .... 



13. Earthworms and other Annelids 



14. The Ccelomate Body. 



15. The Crayfish and other Arthropods 



16. Cockroaches 



17. Insects . 



18. Molluscs 



19. The Starfish 



20. The Lancelet 



21. The Dogfish 



22. The Frog 



23. The Pigeon 



PACE 



I 



26 



43 

 46 



62 



78 



82 



89 

 118 



134 



14; 



157 

 187 



195 

 225 



240 



264 



286 



299 



311 

 343 

 392 



7S939 



