890 



U. S. NATIONAL MUSEUM BULLETIN 205 



Arctomys — Continued 



okanaganus, 186 



olympus, 187 



parryii, 195 



phaeognatha, 195 



pruinosus, 185 



richardsonii, 192 



sibila, 186 

 Arctopithecus castaneiceps, 

 132 



griseus, 132 

 arctos, Canis, 676 



Ursus, 696 

 arcus, Perognathus, 363 

 Ardops, 81 



annectens, 81 



haitiensis, 81 



luciae, 81 



montserratensis, 81 



nichollsi, 81 

 arenacea, Neotoma, 542 

 arenae, Dipodomys, 386 

 arenarius, Geomys, 338 



Perognathus, 374 



Peromyscus, 469, 487 

 arenicola, Citellus, 200 



Onychomys, 517 



Perognathus, 360 

 arenivagus, Dipodomys, 393 

 arens, Spermophilus, 201 

 argentatus, Myotis, 98 



Peromyscus, 474 



Scalops, 50 

 argusensis, Dipodomys, 387 



Thomomys, 282 

 argyrodytes, Chironectes, 10 

 aridicola, Thomomys, 293 

 aridulus, Peromyscus, 489 

 Ariteus, 82 



flavescens, 82 

 arizonae, Citellus, 212 



Lepus, 168 



Neotoma, 555 



Peromyscus, 490 



Sigmodon, 526 



Spilogale, 751 



Sitomys, 490 



Sylvilagus, 168 



Ursus, 701 

 arizonensis, Bassariscus, 73 3 



Callospermophilus, 213 



Citellus, 213 



Clethrionomys, 573 



Cynomys, 188 



Eutamias, 222 



Felis, 769 



Microtus, 592 



Mustek, 736 



Panthera, 769 



arizonensis — Continued 



Perognathus, 362 



Putorius, 736 



Reithrodontomys, 453 



Sciurus, 255 



Vulpes, 685 

 armatus, Citellus, 193 



Echimys, 648 



Loncheres, 648 



Nelomys, 648 



Perognathus, 379 



Spermophilus, 193 

 arnouxii, Berardius, 650 

 arriagensis, Thomomys, 328 

 arsipus, Vulpes, 685 

 artemisiae, Citellus, 191 



Microtus, 613 



Peromyscus, 478 



Sitomys, 478 



Synaptomys, 564 

 arthuri, Mustek, 741 

 Artibeus, 77 



achradophilus, 82 



aztecus, 80 



cinereus, 79 



coryi, 78 



grenadensis, 78 



hartii, 80 



hirsutus, 77 



insukris, 78 



intermedius, 79 



jamaicensis, 77, 78 



nanus, 80 



palmarum, 79 



parvipes, 78 



perspicillatus, 78 



phaeolis, 80 



planirostris, 79 



praeceps, 79 



richardsoni, 78 



toltecus, 79 



trinitatis, 78 



turpis, 80 



vittatus, 76 



watsoni, 80 



yucatanensis, 78 



yucatanicus, 78 

 Artiodactyla, 792 

 artus, Perognathus, 378 

 arundivaga, Felis, 775 

 arvalis, Cratogeomys, 346 

 Arvicola alticolus, 598 



austerus, 608 



aztecus, 588 



borealis, 563 



brewed, 588 



californica, 592 



chrotorrhinus, 603 



Arvicola — Continued 



cinnamonea, 608 



curtata, 612 



drummondii, 586 



edax, 592 



gapperi, 569 



gossii, 562 



haydenii, 609 



helvolus, 566 



insperatus, 585 



leucophaeus, 598 



longicaudus, 597 



macropus, 583 



mexicanus, 601 



microcephalus, 587 



minor, 609 



modesta, 587 



mogollonensis, 602 



montana, 589 



mordax, 597 



nanus, 590 



nuttalli, 510 



operarius, 603 



oregoni, 581 



pallidus, 612 



pauperrima, 613 



phaeus, 601 



pinetoruin, 610 



quasiater, 612 



richardsoni, 582 



riparius, 583 



rubricatus, 560 



scalopsoides, 610 



terraenovae, 584 



tetramerus, 596 



texiana, 524 



townsendii, 596 



trimucronata, 565 



trowbridgii, 592 



xanthognathus, 602 

 arvicoloides, Aukcomys, 582 



Microtus, 582 

 asellus, Lepus, 158 



Macrotolagus, 158 

 asiaticus, Homo, 129 



Rangifer, 814 

 assimilis, Peromyscus, 485 

 astuta, Bassaris, 712 

 astutus, Bassariscus, 712 

 Atakpha, cinerea, 106 



frantzii, 106 



intermedia, 107 



mexicana, 106 



noveboracensis, 104 



peninsukris, 105 



pfeifferi, 106 



seminola, 105 



teliotis, 105 



