MIM>KU AND ItKHN:. NORTH AMERICAN MAMMALS. 845 



scottii (Urocyon), 203. 

 scrutator (Mephitis), 213. 

 sellata (Myrmecopliaga), 10. 

 seiuinola (Atalapha), 262. 

 seininolus (Lasiurus), 202. 

 senex (Centurio), 294. 

 senex (Eutamias), 44. 

 senex (Gallctis), 219. 

 seuex (Taiaias), 44. 

 sennetti (Dipodops), 154. 

 sennetti (Perodipus), 154. 

 septentrional is (Vespertilio), 308. 

 sericea (Mazania), 23. 

 serotinus (Vesperugo), 260. 

 serpens (Microtus), 127. 

 setosus (Sorex), 237. 

 sezekorni (riiyllouycteris), 287. 

 shastensis (Sorex), 240. 

 sliumaginensis (Sorex), 239. 

 Sigmodon, 80. 



arizcniae, 90. 



borucae, 89. 



colimae, 90. 



eremicus, 90. 



fulviventer, 90. 



hispidus, Sf), 90. 



littoralis, 90. 



mascotensis, 91. 



laininia, 91. 



minimus, 91. 



pallidus, 90. 



spadicipygiis, 91. 



texianus, 91. 



toltecus, 91. 

 Sigmodontomys, 95. 



alfari, 95. 

 silus (Sciuropterus), 62. 

 Simia belzebul, 296. 



capucina, 299. 



fatuellus, 299. 



hypoleuca, 299. 



midas, 296. 



paniscus, 298. 



sciurea, 297. 



trivirgata, 298. 

 similis (Dipodomys), 52. 

 similis (Sorex). 307. 

 simiolus (Dipodomys), 152. 

 simplex (Neotoraa), 105. 

 Simplicidentata, 24. 

 sinaloae (Marmosa), 5. 

 sinaloae (Neotoma), 108. 

 sinaloensis (Scinrus), 27. 

 Sinetlierus, 173. 

 sitkensis (Microtus), 121. 

 sitkensis (Odocoileus), 15. 

 sitkensis (Peromyscus), 82. 

 sitkensis (Ursus), 232. 

 Sitomys arizonae, 84. 



Sitomys artemisiae, 84. 



auripectiis, 68. 



canadensis, 70. 



decolorus, 88. 



gilberti, 74. 



herroni, 75. 



insolatus, 76. 



keeni, 76. 



macrorliinus, 77. 



major, 78. 



martirensis, 78. 



megacephalus, 78. 



musculus, 80. 



nigellus, 75. 



pinalis, 70. 



robustus, 82. 



rowleyi, 70. 



subgriseus, 83. 



thurberi, 86. 

 socialis (Sciurus), 27. 

 sola (Neotoiiia), 103. 

 Solenodon, 254. 



cubanus, 254. 



paradoxus, 254. 

 Solenodontidae, 254. 

 sonora (Lutra), 212. 

 sonoriense (Tayassu), 12. 

 sonoriensis (Dicotyles), 12. 

 sonoriensis (Hesperomys), 86. 

 sonoriensis (Peromyscus), 86. 

 sonoriensis (Spermopliilus), 54. 

 Sorex, 235. 



alascensis, 239. 



alaskanus, 243. 



albibarbis, 243. 



albiventer, 244. 



amoenuis, 237. 



aquaticus, 249. 



araneus, 235. 



arcticus, 236. 



bairdi, 239. 



bendirii, 244. 



brevicauda, 245. 



brevicaudus, 245. 



californicus, 240. 



Caroline nsis, 245. 



caudatus. 307. 



cinereus, 24(). 



cooperi, 235. 



crawfordi, 244. 



cristatus, 253. 



dobsoni, 237. 



evotis, 245. 



fisheri, 241. 



forsteri, 237. 



fume us, 237. 



glacialis, 238. 



godmani, 241. 



liaydeni, 235. 



