ESTDEX 



681 



Ochotona, brunnescens, 224. 



cansus, 224, 



collaris, 224. 



fumosa, 225. 



fuscipes, 226. 



goldmani, 226. 



incana, 226. 



jewetti, 226. 



lemhi, 227. 



levis, 225. 



lutescens, 226. 



nevadensis, 227. 



nigrescens, 225. 



nitida, 225. 



schisticeps, 226. 



uinta, 227. 



ventormn, 227. 



vulpina, 224. 

 ochracea, Neotoma, 287. 

 ochraceus, Eutamias, 523. 



Peroniyscus, 323. 



Procyon, 83. 

 ochrogaster, Microtus, 270, 273. 

 ochrogenys, Eutamias, 533. 

 ochrognathus, Sigmodon, 353. 

 ochrourus, Odocoileus, 23. 

 ochrus, Perognathus, 426, 

 ociiis, Thomomys, 384. 

 Odocoileus, 19. 



californicus, 575. 



canus, 20. 



carminis, 22. 



cerrosensis, 19. 



columbianus, 19, 574. 



costaricensis, 20. 



couesi, 22. 



crooki, 20. 



dacotensis, 22. 



eremicus, 21. 



hiltonensis, 23. 



miquihuanensis, 23. 



nelsoni, 21. 



nigribarbis, 23. 



oaxacensis, 23. 



ochrourus, 23. 



scaphiotus, 19. 



seminolus, 23. 



sheldoni, 21. 



sitkensis, 20. 



taurinsulae, 24. 



texanus, 21. 



thomasi, 22. 



truei, 19. 



venatorius, 24. 



veraecrucis, 24. 

 Oenomys, 453. 



vailicola, 453. 

 offella, Boromys, 360. 

 oi, Sus, 28. 



oklahomae, Dipodomys, 412. 

 olivacea, Mustela, 73. 



Tupaia, 204. 

 olivaceus, Perognathus, 432, 433. 



Tragelaphus, 16. 

 olympica, Aplodontia, 253. 

 olympus, Arctomys, 541. 



Felis, 56. 



olympus, Marmota, 541. 

 omnivora, Bdeogale, 103. 

 Ondatra, 300. 



alba, 300. 



bernardi, 300. 



cinnamomina, 300. 



macrodon, 300. 



mergens, 301. 



ripensis, 301. 



spatulata, 300. 



zalopha, 301. 

 Onychomys, 301. 



albescens, 301. 



arenicola, 303. 



breviauritus, 302. 



brevicaudus, 302. 



canus, 303. 



capitulatus, 302. 



clarus, 304. 



fuliginosus, 301. 



longicaudus, 302. 



longipes, 303. 



meianophrys, 302, 303. 



pallescens, 303. 



perpallidus, 304. 



surrufus, 304. 



torridus, 303. 



tularensis, 304. 



utahensis, 302. 



yakiensis, 304. 

 operarius, Arvicola, 280. 



Eutamias, 523. 



Microtus, 280. 



Thomomys, 394. 

 ophrus, Ursus, 96. 

 optabilis, Thomomys, 381. 

 optiva, Lutra, 65. 

 opulentus, Thomomys, 381. 

 orarius, Scapanus, 201. 

 orbitalis, Liomys, 419. 

 Orca destructor, 112. 

 orca, Clethrionomys, 263. 



Evotomys, 263. 

 oreas, Microtus, 277. 

 oregona, Antilocapra, 6. 

 oregonensis, Felis, 56. 



Mustela, 75. 



Putorius, 75. 



Vespertilio, 157. 

 oregonus. Bison, 8. 



Citellus, 516. 



Microdipodops, 422. 



Spermophilus, 516. 



Thomomys, 384. 



Zapus, 569. 

 oreocetes, Cratogeomys, 368. 



Eutamias, 529. 

 oreopolus, Sorex, 191. 

 Oreotragus, 10. 



aureus, 10. 

 orestes, Mungos, 105. 



Myonax, 105. 

 orgiloides, Ursus, 96. 

 orgilos, Ursus, 96. 

 oribasus, Ursus, 96. 

 origines, Martes, 67. 



Mustela, 67. 



