CONTENTS. 



CHAPTER VII. 



PACK 



THE STERNUM . . 9 



CHAPTER VIII. 



THE RIBS ............... 1 06 



CHAPTER IX. 



THE SKULL OF THE DOG ..... Il6 



CHAPTER X. 



THE SKULL IN THE ORDERS PRIMATES, CARNIVORA, INSECTI- 



VORA, CHIROPTERA, AND RODENTIA ..... 150 



CHAPTER XI. 



THE SKULL IN THE UNGULATA, HYRACOIDEA, AND PRO- 



BOSCIDEA ....... ............ 185 



CHAPTER XII. 



THE SKULL IN THE CETACEA AND THE SIRENIA . 209 



CHAPTER XIII. 



THE SKULL IN THE EDENTATA, MARSUPIALIA, AND MONO- 



TREMATA . ..... ...... 229 



CHAPTER XIV. 



THE SHOULDER GIRDLE ............. 243 



