12 Contents 



PART 3 



ANIMAL BIOLOGY 



chapter page 



17. Survey of the Animal Kingdom ___________ 272 



Phylum 1 — Protozoa ______________ 274 



Phylum 2— Porifera ______________ 279 



Phylum 3- — Coelenterata _____________ 286 



Phylum 4 — Ctenophora _____________ 291 



Phylum 5 — Platyhelminthes ____________293 



Phylum 6 — Nemathelminthes ____________ 295 



Phylum 7 — Trochelminthes _____________ 297 



Phylum 8 — Echinodermata ____________ 299 



Phylum 9 — Annelida ______________ 304 



Phylum 10 — Mollusca ______________ 309 



Phylum 11 — Arthropoda _ _ _ _ _ _ _ __ _ _ _ _ 314 



Phylum 12— Chordata ______________ 325 



18. Unicellular, Microscopic Animals (Phylum Protozoa) _ _ _ 344 

 Amoeba _ ________________ 344 



Paramecium ______.^__________ 349 



Euglena __________________ 357 



Volvox __________________ 360 



Plasmodium _________________ 363 



19. Flatworms and Roundworms (Phylum Platyhelminthes and 

 Phylum Nemathelminthes) ____________ 368 



Planaria (Dugesia) _______________ 368 



Liver Fluke _________________ 373 



Tapeworm _________________377 



Ascaris ___"_______________379 



20. A Segmented Worm — Earthworm (Phylum Annelida) _ _ _ _ 384 



21. Common Insects — Grasshopper and Honeybee (Phylum Arthrop- 

 oda; Class Insecta) ______________ 393 



Grasshopper _________________ 393 



Honeybee __________________ 398 



22. Identification and Classification (Taxonomy) of Insects _ _ 409 

 No Metamorphosis _______________ 410 



Incomplete Metamorphosis _____________411 



Orders of the Class Insecta (Insects) of the Phylum Arthropoda _ _ 414 

 Gradual Metamorphosis ______________419 



Complete Metamorphosis ______ _______419 



23. The Frog — An Amphibious Vertebrate Animal ______ 421 



24. Embryologic Development of Animals ________ 442 



Ontogeny; Phylogeny; Recapitulation (Biogenetic) Theory; Morpho- 

 genesis __________________ 442 



Embryology of the Frog ______________ 444 



Embryology of Man (Mammal) _ _________ 450 



25. Biology of Man _____ __________ 458 



General Organization of the Human Body ________ 458 



Integument (Skin) and Skeleton ___________ 459 



Motion and Locomotion in Man ___________ 467 



Foods and Nutrition ______________ 472 



