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Sciurus negligens 215 



nelsoni 218 



nemoralls 217 



neomexicanus 214 



niger 225 



nigripes 223 



nuchalis 219 



oculatus 227 



orarius 212 



perigrinator 217 



petulans 212 



phaeurus 224 



picatus 212 



poliopus 2lij 



quadrivittatus 203 



quercinus 217 



richardsoni 211 



richardsonii 211 



richmondi 229 



rufiventer 226 



rufoniger 228 



sabrinus 232 



senex 217 



sinaloensis 219 



socialis 219 



streatori 211 



striatus 208 



tepicanus 218 



texianus 226 



t homasi 220 



t olucee 227 



tridecem-lineatus 193 



truei 219 



vancouverensis 211 



variabilis 229 



variegatoldes 221 



variegatus 181 



varius 216 



ventoruin 210 



vicinus 226 



vivax 215 



vulgaris 209 



wagneri 216 



yucatanensis 220 



sclateri, Sorex 26 



Scotinomys 374 



apricus 375 



irazu 375 



teguina 375 



xerampelinus 375 



Scotophilus cubensis 77 



hesperus 74 



miradorensis 76 



scottii, Urocyon 148 



scrutator, Mephitis 137 



Seacows 503 



Sea otters 130 



Sea-elephants 166 



Sea-lion, California 162 



northern 162 



Seals, bearded 165 



eared 162 



fur 163 



gray 166 



hair 163 



harbor 163 



Seals, hooded 166 



ribbon 164 



West Indian 165 



selkirki, Ursus lOO 



sellata, Myrmecophaga 501 



seminola, Atalapha 78 



Nyctcrls 78 



semljunctus, Hyperodon 5i6 



Ziphius 516 



semlspinosus, Echinomys 439 



Proechimys 439 



senex, Centurio 62 



E utamias 206 



Galictis 131 



Sciurus 217 



Tamias 206 



Tayra 131 



senicula, Mormoops 44 



sennetti, Dipodomys 295 



Dipodops 295 



seorsus, Zygodontomys 364 



septentrionalis, Microsciunis 230 



Vespertilio 72 



sequoiensis, Eutamlas 205 



Urocyon. 147 



seri, Neotoma 380 



Perognathus 282 



sericatus, Scapanus 12 



serotinus, Vesperugo 76 



serpens, Microtus 421 



sestinensis, Reithrodontomys 307 



setosus, Liomys 269 



Sorex 21 



sezekomi, Erophylla 63 



Phyllonycteris 63 



shastensis. Castor 300 



Sorex 25 



shattueki, Microtus 405 



shawi, Thomomys 251 



Sheop 495 



black 497 



mountain 495 



white 497 



sheldoni, Marmota 17S 



Neotoma 379 



Ovis 497 



Thomomys 247 



Ursus 106 



sheltoni, Ochotona 448 



shirasi, Alces 490 



Ursus 105 



Short-tailed shrews 35 



Shoshone, Ursus 98 



Shrews 17 



short-tailed 35 



water 28 



shumaginensis, Sorex 23 



sibbaldii, Physalus 506 



Sibbaldius laticeps 505 



sulfureus 506 



tectirostris 505 



tuberosus 505 



veliferus 505 



Sibbaldus 506 



borealis 506 



musculus 506 



