CONTENTS. 



PAGE. 



GENERAL DESCRIPTION OF ANIMALS 1 1 



VERTEBRATES, OR BACKBONED ANIMALS 19 



Mammals 22 



Birds 72 



Reptiles 114 



Batrachians 120 



Fishes 1 24 



TUNICATES 139 



ARTHROPODS, OR JOINTED ANIMALS 139 



Insects 1 39 



Arachnids 193 



Myriapods 197 



Crustaceans 197 



-MOLLUSKS, OR SOFT-BODIED ANIMALS 203 



Cephalopods 205 



Gastropods 210 



Heteropods and Pteropods 222 



Lamellibranchia 223 



9 



