xvi ILLUSTRATIONS 



PAGE 



Common Mole 150 



Star-Nosed Mole 150 



Digging Muscles of a Mole 152 



Star-Nosed Mole. End of Nose and Left Fore Foot 153 



Common Shrew 154 



Short-Tailed Shrew ."... 154 



Skeleton of Pale Bat . . ' 159 



California Leaf -Nosed Bat 164 



Blainville's Flower-Nosed Bat . . 165 



Bonneted Bat 167 



The Red Bat 172 



Hammer-Headed Bat 178 



Gray Squirrel 182 



Southern Fox Squirrel 185 



Eastern Red Squirrel 189 



Eastern Chipmunk 191 



Say's Spermophile 194 



Western Chipmunk 194 



Thirteen-Lined Spermophile 



Richardson's Spermophile 200 



Prairie-" Dogs" 203 



Woodchuck 209 



The Flying Squirrel . 211 



Skull of Beaver, a Typical Rodent 217 



