xrv-. TABLE OF CONTENTS. 



Page 



Dycotyles Torquatus, .... Collared Peccary, 233 



Lepus GlaciaEs, Polar Hare, 242 



Putorius Vison, Mink, 250 



Sciurus Niger, Black Squirrel, 261 



Sciurus Migratorius Migratory Gray Squirrel. — Northern Gray 



Squirrel, 265 



Hystrix Dorsata, Canada Porcupine, 277 



Lepus Aquations, Swamp-Hare, 287 



Sciurus Ferruginiventris, . . . Red-bellied Squirrel, 292 



Spermojjhilus Tridecemlineatus, . Leopard Spermophile 294 



Mus Leucopus, American White-footed Mouse, .... 300 



Mustela Canadensis, .... Pennant's Marten, or Fisher, 307 



Mephitis Chinga Common American Skunk, 317 



Sciurus Leporinus, Hare-Squirrel, 329 



Pseudostoma Bursarius, . . . Canada Pouched Rat, 332 



Arvicola Pennsylvanica, . . . Wilson's Meadow Mouse, 341 



Castor Fiber (var. Americanus), American Beaver, 347 



Meles Labradoria, American Badger, 360 



Sciurus Douglassii Douglass' Squirrel, 370 



Spermophilus Douglassii, . . . Douglass' Spermophile, 373 



Spermophilus Richardsonii, . . Richardson's Spermophile, 377 



