XVI ILLUSTRATIONS 



FAOI! 



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 197 



Richardson's Spermophile 200 



Prairie-" Dogs" 203 



Woodchuck . 209 



The Flying Squirrel 211 



Skull of Beaver, a Typical Rodent 217 



