V, 



CONTENTS. 



PAKT II.-VERTEBRATE ANIMALS. 

 CHAPTER LIII. 



PAGE 



General characters of the Vertebrata Osseous system Digestive sys- 

 tem Blood Circulation Respiration Nervous system 

 Organs of sense Reproduction Divisions, . . . 323-339 



CHAPTER LIV. 



General characters of Fishes Integumentary system Osseous system 

 Fins Respiration Circulation Digestive system Swim- 

 bladder Nervous system Olfactory organs Reproduction, 340-352 



CHAPTER LV. 

 Pharyngobranchii Marsipobranchii, ...... 353-357 



CHAPTER LVI. 



Teleostei Sub-orders Malacopteri Anacanthini Acanthopteri^- 



Plectognathi Lophobranchii, ...... 357-364 



CHAPTER LVII. 



Ganoidei Sub-orders Lepidoganoidei Placoganoidei, . . 364-369 



CHAPTER LVIII. 



Elasmobranchii and Dipnoi Sub-orders of Elasmobranchii Holo- 



cephali Plagiostomi Dipnoi, ...... 370-377 



CHAPTER LIX. 

 Distribution of Fishes in time, . . . . ... . 377-380 



CHAPTER LX. 

 General characters of the Amphibia, . . . . . . 381-383 



(VJ350114 



