CONTENTS 



CYCLOSTOMATA AND FISHES 

 CHAPTER V 



PAGE 



The Systematic Position and Classification of Fishes 141 



CHAPTER VI 



External Characters of Cyclostomata and of Fishes : External 

 Characters — Coloration — Poison Glands and Poison Spines — 

 Phosphorescent Organs . 150 



CHAPTER YIl 



The Skin and Scales. 182 



CHAPTER VIII 

 The Skeleton 193 



CHAPTER IX 

 The Dentition, Alimentary Canal, and Digestive Glands . . 247 



CHAPTER X 

 The Respiratory Organs . 277 



CHAPTER XI 

 The Air-bladder . 297 



CHAPTER XII 

 The Vascular System, the Lymphatics, and the Blood-glands . 313 



CHAPTER XIII 



Muscular System — Locomotion— Sound -producing Organs— Electric 



Organs 



349 



CHAPTER XIV 

 Nervous System and Organs of Special Sense 367 



