ILLUSTRATIONS xvii 



PAGE 



Hudson Bay Lemming 225 



Field Mouse 227 



Gapper's Red-Backed Mouse 229 



Northwestern Vole 231 



Florida Wood Rat 232 



Rice-Field Mouse 234 



Cotton Rat 235 



White-Footed Mouse 237 



Le Conte's Harvest Mouse 237 



Mole Mouse 239 



Kangaroo Rat . 241 



Kangaroo Rat ... 242 



Typical Pocket Mouse 242 



Jumping Mouse 244 



Red Pocket Gopher 247 



Coypu Rat 250 



Brazilian Prehensile-Tailed Porcupine 252 



Canada Porcupine 253 



The Viscacha 255 



The Agouti 258 



The Capybara 261 



