xvi COMPARATIVE ANATOMY 



6. THE BODY CAVITY, THE MUSCULATURE WHICH PASSES TRANSVERSELY 



THROUGH IT, THE DISSEPIMENTS AND MESENTERIES . 



7. THE NERVOUS SYSTEM .... 



8. SENSORY ORGANS ........ 



A. ORGANS OF TOUCH . . . 



B. EYES 



C. OLFACTORY ORGANS (Ciliated Organs) .... 



D. ORGANS OF TASTE (Cup-shaped Organs) .... 



E. LATERAL ORGANS . . . . . 



F. AUDITORY ORGANS ....... 



G. THE LATERAL EYES OF POLYOPHTHALMUS 



9. EXCRETORY ORGANS NEPHRIDIA ..... 



10. RESPIRATORY ORGANS ....... 



11. BLOOD-VASCULAR SYSTEM . . . . 



12. GENITAL ORGANS ........ 



13. PARTHENOGENESIS . . . . . . . 



14. ASEXUAL REPRODUCTION BY GEMMATION AND FISSION . 



15. STOCK FORMATION ....... 



16. ONTOGENY OF THE WORMS ...... 



Literature 



CHAPTER V 



ARTHROPODA ARTICULATA 



First Division Crustacea 

 Systematic Review ..... 



1. OUTER ORGANISATION .... 



A. THE BODY . . 



B. THE EXTREMITIES .... 



C. THE RESPIRATORY ORGANS GILLS 



2. THE INTEGUMENT .... 



3. THE MUSCULATURE . . 



4. THE ENTERIC CANAL . . 



A. THE FORE-GUT .... 



B. THE MID-GUT .... 



C. THE HIND-GUT . . . 



5. THE NERVOUS SYSTEM .... 



6. THE SENSORY ORGANS .... 



A. EYES ..... 



B. OTHER SENSORY ORGANS . 



