EIGHTH ANNUAL REPORT. 20 
Or 
DERIVATION OF NORTH AMERICAN MAMMALS. 
DIDELPHIDAE: MARSUPIALS. 
Didelphys, Opossum......... North American, of great antiquity. 
DASYPODIDAE: EDENTATES. 
Gubassous ArinadilO~ strc. cok case eens oes-o: South American. 
ERITHIZONTIDAE: RODENTS. 
TOM EMMP SIUC Sate eons SNES EON fo hee WA eR care South American. 
HAPLODONTIDAE: 5 
Sewellel, | 
GEOMYIDAE: | 
Pouched Rats, 
@ fherMamiilves ar emieccnee cies seioe as se ee ee Eurasiatic or Cosmopolitan. 
UNGULATES. 
ie ys: Set atctis ah dS eA heee eNOIM tie Alin Gil Cam 
BOVIDAE: 
Ovibos, Musk-Ox, ) 
Bison, Buffalo, | Eurasiatic, possibly of remote African 
Ovis, Mountain Sheep. ‘ origin. 
Oreamnos, Mountain Goat, 
CERVIDAE: 
Alces, Moose, ) 
Rangifer, Caribou, § 
ECEEOP NaI tM then tar ancia atte © GR tach secre 6, Seconds Sarselass Eurasiatic. 
OdocoileusseAmerican) DW ecetyaen caste oie eee North American. 
ANTILOCAPRIDAE: 
Alaa pate IiRos=lalOinbo ahacooohasscoacddaacoce North American. 
DICOTYLIDAE: 
IDCORVIES MP eCCATY see eein ken eet ne Seine ee oe North American. 
URSIDAE: CARNIVORES. 
Ursus—Black Bear Group, Se : Oley a 
Goce Bear a sige ee arriving in the 
Brown Bear Group, 
MUSTELIDAE: 
Taxidea, Badger, © 
Mephitis, | Semis, steric cbeieits Inc ate dee Meech North American. 
Spilogale, § 
Gulo, Wolverine, 
Mustela, Marten, 
IES: INGi es Mt eo ods So roo ane Some aGaaoo 0G no OGaO Eurasiatic. 
Lutra, Otter, 
Latax, Sea Otter, 
PROCGYONIDAE: 
Bassariscus, Cacomistle, | 
Procyon, Raccoon, [voce teres eee ee dees ese North American. 
Nasua, Coati Mundi, 
CANIDAE: 
Urocyon, Gray Fox..................North American, doubtfully. 
Canis, Wolf, ?} 
Th ioe, Bee I) Tee Ue RO OB SO BOERS Ga aca na sa o0 5335 Eurasiatic. 
FELIDAE: 
MEM aga PUY TUK) 5 <vicsenis 21s) «ia;s, +. 2/0's tynle «<p olor, ete stesicsee mys one sso Eurasiatic. 
Piece MPAs rie stot, ai01 aah eae, eve Svein lathe ra eerie Eurasiatic, probably. 
