CONTENTS 



7. The Blood- vascular System and the Body Cavity 



8. Exoeetoky Organs (Antennal Glands, Shell Glands) 



9. The Connective Tissue .... 



10. The Sexual Organs 



11. Sexual Dimorphism .... 



12. Hermaphroditism in the Crustacea . 



13. Parthenogenesis — Cyclic Reproduction 



14. Ontogeny 



15. Phylogbny 

 Literature 



First Appendage to the Crustacea 



1. Trilobites . 



2. Gigantostraca 



3. Hemiaspidee 



4. Xiphosura . 



Literature 



Fantapoda 



Literature 



Second Appendage to the Crustacea 



XVII 



PAGE 



358 

 368 

 370 

 370 

 376 

 381 

 382 

 382 

 406 

 411 



414 

 415 

 416 

 417 

 421 



422 

 425 



CHAPTER VI 



SECOND DIVISION OF THE ARTHROPODA 



Tracheata 



Class I. Protracheata 



Literature 



Class II. Antennata . 



Systematic Review 



1. Outer Organisation 



A. The Body 



B. The Limbs 



2. The Integument and Glands 



3. The Musculature 



4. The Enteric Canal 



5. The Nervous System . 



6. The Sensory Organs 



A. Eyes . . • • ■ 



B. Auditory Organs 



C. Olfactory and Gustatory Organs 



426 

 427 

 437 

 438 

 438 

 443 

 443 

 445 

 468 

 460 

 460 

 464 

 469 

 469 

 471 

 474 



