xii EMBRYOLOGY OF THE LOWKK VERTEBRATES 



CHAPTER IX 



PAGE 



SOME OF THE GENERAL CONSIDERATIONS RELATING TO THE EMBRY- 

 OLOGY OF THE VERTEBRATA 484 



CHAPTER X 



THE PRACTICAL STUDY OF THE EMBRYOLOGY OF THE COMMON FOWL 508 



CHAPTER XI 



HINTS REGARDING THE PRACTICAL STUDY O^ THE EMBRYOLOGY OF 



THE VARIOUS TYPES OF LOWER VERTEBRATES . . .558 



APPENDIX 



THE GENERAL METHODS OF EMBRYOLOGICAL RESEARCH . 573 



INDEX 583 



