ILLUSTRATIONS 



Regal Pythons Frontispiece 



Effect of a Snow Storm 34 



Yak Calf and Mother 40 



Head of African Black Rhinoceros .... 46 



Canada Goose and Goslings 50 



Dromedary and Dwarf Donkey 62 



Apparatus for the Study of Metabolism ... 68 



Young Emu '76 



Snake-Killing Mussurana 80 



The Jararaca 80 



Elk Twins . 86 



Mute Swans 90 



Goldfish 96 



The New York Aquarium (from an old color print) . facing 102 



Oval Shipping Tanks 104 



Wooden Shipping Tank 104 



Red Grouper 106 



Black Grouper 106 



White Margate 110 



Dog Snapper 110 



Squirrel Fish 112 



Tiger Rockfish 112 



Distributing Tanks 116 



Filters for Harbor Water 116 



California Salamanders 118 



