xiv COMPARATIVE ANATOMY 



2. CONNECTIVE TISSUE . 



3. NEURO-MUSCULAR AND MUSCLE TISSUE 



4. NERVE TISSUE .... 

 Literature 



CHAPTEK II 



METAZOA 



INTRODUCTION ..... 



Zoopliyta or Ccelenterata 



Gastraeadse 

 Review ........ 



Literature ......... 



Porifera 

 Systematic Review ........ 



Literature ......... 



Cnidaria 

 Systematic Review ........ 



1. GENERAL ......... 



2. THE BODY EPITHELIUM . . . . . . . 



3. THE GASTRO-CANAL SYSTEM 



4. MUSCULATURE . . . . . . . . 



5. TENTACLES OF THE CNIDARIA, MARGINAL LOBES OF THE SCYPHOMEDUS.E 



6. THE NERVOUS SYSTEM ....... 



7. THE SENSORY ORGANS ....... 



8. SUPPORTING ORGANS, PROTECTIVE ORGANS, SKELETON . 



9. FUNNEL CAVITIES (Septal Funnels); SUBGENITAL CAVITIES, SUBGENITAL 

 CHAMBER . . . . . ... 



10. THE SEXUAL ORGANS . . . . . 



11. THE STRATIFICATION OF THE CNIDARIA BODY .... 



12. REPRODUCTION ........ 



13. ORGANISATION OF THE SIPHONOPHORA . . . . . 



14. LIFE-HISTORY OF THE CNIDARIA, ALTERNATION OF GENERATIONS 

 Literature . . . . . . . 



The fundamental law of Biogenesis Egg segmentation and the development 

 of the two primary germinal layers of the Metazoa (gastrulation) The 

 ontogeny of the Cnidaria . . . . . . 



Literature 



