10 CONTENTS. 



- PAGB 



3. SUBKINGDOM MOLLUSCANS 241 



The Cbphalopods 243 



The Gastekopods 244 



The Lamellibkanchiatbs 250 



The Bbachiopods 255 



The Tttnicates 255 



The Polyzoans 257 



4. SUBKINGDOM ECHINODERMS 259 



The Holothoboids 259 



The Echinoids 360 



The Asteboibs 261 



The Ceinoids 263 



5. SUBKINGDOM CCELENTERATES 265 



The Ctbnophorans 265 



The Anthozoans 265 



The Hydkozoans 369 



The Sponges 273 



6. SUBKINGDOM PROTOZOANS 374 



The Infusobians 274 



The Rhizopods 375 



The Gbegabinidans 277 



IV. APPENDIX. 



Table op the Animal Kingdom 378 



Index and Glossaby 398 



