TABLE OF CONTENTS xv 



PAGE 



G. The Coelom, Digestive, and Respiratory Systems of a Mammal . 183 



H. The Comparative Anatomy of the Coelom and the Mesenteries ... 194 



I. Summary . . . I0 g 



XI. The Comparative Anatomy of the Circulatory System 



A. General Considerations .... 



B. The Circulatory System of Elasmobranchs . 



C. The Circulatory System of Neclurus . . . . 



D. The Circulatory System of the Turtle 



E. The Circulatory System of the Pigeon 



F. The Circulatory System of the Mammal . . . . . 



G. Summary of the Circulatory System ... . . 



XII. The Comparative Anatomy oe the Urogenital System 



A. Embryonic Origin and Evolution of the Urogenital System 



B. The Urogenital System of Elasmobranchs . 



C. The Urogenital System of Necturus 



D. The Urogenital System of the Turtle . . . . 



E. The Urogenital System of the Pigeon 



F. The Urogenital System of the Mammal 



G. The Embryonic Membranes .... 

 H. Summary of the Urogenital System 



XIII. The Comparative Anatomy of the Nervous System and the Sense Organs 296 



A. General Considerations . . . . . 296 



B. The Nervous System and Sense Organs of Elasmobranchs . 301 



C. The Nervous System and Sense Organs of Necturus . . . . 318 



D. The Nervous System and Sense Organs of the Turtle . . 321 



E. The Nervous System and Sense Organs of the Pigeon . ... 328 



F. The Nervous System and Sense Organs of the Mammal . ... 333 



G. Summary of the Nervous System and the Sense Organs . . . . 359 



Appendix A. Pronunciation and Derivation of Technical Words . .362 



Appendix B. Preparation of Materials 370 



Index 373 



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