MAMMALIA. 



13 



Latin Names. 



41 Aectomys monax, 



FAMILY AEOTOMID^. 



English Names. 



Wo%dchuck (m. & f.). 



FAMILY GERBILLID.^. 



42 Meriones americanus, Beer Mouse (f.). - • 



FAMILY CASTORIDiE. 



43 Castor fiber, Beaver. 



44 Fiber zib^thictjs, Musquash (2 m. & f.). 



Cabinet. 



- Cabinet. 



Cabinet. 

 Cabinet. 



FAMILY HYSTRICID^. 



45 Hystrix hudsonius, North- American Porcupine['i.). Cabinet, 



FAMII 



46 MUS DECUMANUS, 



47 MuS RATTTJS, 



48 MuS AMERICANUS, 



49 MuS MUSCULUS, 



50 Mus LEtrcopus, 



51 Aevicola ripaeius, 



52 Arvicola eufesoens, 

 58 Arvicola hirsutus, 



54 Arvicola oneida, 



55 Arvicola albo-eufescens, Light-colored Meadow Mouse. 



56 Aevicola xanthognathds, Yellmv- cheeked Meadow Mouse. 



FAMILY LEPOEIDJi:. 



57 Lepus nanus, American Gray Rabbit (two). Cabinet. 



58 Lepus americanus, Northern Hare. - - - - Cabinet. 



ORDER V. EDENTATA. 



ORDER VI. UNGULATA. . 



FAMILY BLEPHANTIDiE. 



59 Elephas peimigenxus, Fossil Elephant. 



60 Elephas ameeicanus, American Elephant (fossil). 



61 Mastodon maximus, Great Mastodon (fossil). 



