TABLE OF CONTENTS. 







CHAPTER SEVENTH. 



Pag« 



Op the Blood and Circulation Hi 



CHAPTER EIGHTH. 

 Of Resfikation 118 



CHAPTER NINTH. 

 Or TUB Secretions 126 



CHAPTER TENTH. 

 Embryology ISl 



SECTION I. 



Ofth^Egg 131 



Form of the Esjg 133 



Formation of the Egg 13J 



Ovulation lo4 



Laying . . 13o 



Composition of the Egg . . .... 137 



SECTION II. 

 Develojmient of the Young tcithiti the Egg 13P 



SECTION III. 

 Zoological Importance of EmbrTjology 163 



CHAPTER ELEVENTH. 



Peculiar Modes of Reproduction 158 



SECTION I. 

 Gemmij^arous and Fissiparozts Reproduction .... 158 



SECTION II. 

 Alternate and Eqtiivocal Reproduction 158 



