480 



INDEX 



Cuniculus torquatus, 148, 151, 153, 



155, 157 

 custos, Anteliomys, 298 

 ciistos, Microtus (Anteliomys), 299 



dalli, Synaptomys (Mictomys), 173 

 dawsoni, Evotora.ys, 204, 2(j5 

 dawsoiii insularis, Evotomys, 266 

 desertorum, Microtus strelzovvi, 326 

 destructor, Arvicola, 405 

 Dicrostonyx, 88, 137 



measurements : ex- 

 ternal, 419-420, 

 cranial, 451 ; relation- 

 ships of genus, 35; 

 fossil species, 158 

 Dicrostonyx chionoppes, 150 

 ,, exsul, 155 

 ,, groenlandicus, 155 

 ,, gulielmi, 160 

 ,, henseli, 163 

 ,, hudsonius, 155, 157 

 ,, h. alasoensis, 151 

 „ h. groenlandicus, 155 

 „ h. nelsoni, 152 

 ,, h. richardsoni, 153 

 ,, h. unalascensis, 154 

 ,, nelsoni, 151 

 ,, richardsoni, 152, 153 

 „ rubricatus, 151, 152 

 „ r. richardsoni, 153 

 ,, r. rubricatus, 151, 152 

 ,, r. unalascensis, 154 

 „ torquatus, 148, 151, 



153, 155, 157, 160 

 „ t. altaicus, 148 



,, t. torquatus, 148 



,, t. ungulatus, 149 



,, unalascensis, 154 



Dolomys, 93, 339. 350 



,, cranial measurements, 473 ; 

 relationships of genus, 45 

 Dolomys bogdanovi, 343 

 ,, episcopalis, 342 

 milleri, 341 



eleusis, Eothenomys melanogaster, 



286 

 eleusis, Microtus (Eothenomys), 286 

 EUobius, 99 ; relationships of genus, 



11 ; figures, skull, 83-85; teeth, 87 



Eothenomys, 91, 211,280 



measurements : ex- 

 ternal, 442-443, 

 cranial, 467 ; relation- 

 ships of genus, 43 

 Eothenomys fidelis, 290 



,. melanogaster, 285 



,, m. aurora, 287 



m. cachinus, 286 



Eothenomys m. columns, 288 

 ,, m. coufinii, 288 



,, m. eleusis, 286 



,, m. libonotus, 289 



,, m. melanogaster, 285 



,, m. miletus, 287 



,, m. mucronatus, 289 



olitor, 292 

 ,, proditor, 291 



Eotomys, 211 

 episcopalis, Dolomys, 342 

 episcopalis, Pliomys, 342 

 erica, Evotomys, 235 

 Euotomys, 211 

 Euotomys glareolus, 230 

 Euotomys rufocanus, 248 

 Euotomys rutilis, 240 

 eva, Microtus (Caryomys), 251 

 Evotomys, 90, 210, 211, 216, 348 

 „ measurements : external, 



426-441, cranial, 458- 

 466 ; relationships of 

 genus, 42 

 Evotomys alascensis, 205 

 „ - alstoni, 234 

 ,, amurensis, 242 



,, andersoni, 257 



„ baikalensis, 237 



bedfordise, 257 

 ,, brevicaudus, 271 



,, coesarius, 233 



,, calif omicus, 275 



,, carolinensis, 272 



,, caurinus, 262 



„ centralis, 224 



dawsoni, 264. 265 

 ,, d. dawsoni, 265 



,, d. insularis, 266 



,, erica, 235 



f rater, 236 

 ,, fuscodorsaUs, 267 



galei, 270 



gapperi, 131, 260, 267 

 „ g. athabascse, 270 



,, g. brevicaudus, 271 



,, g. galei, 270 



,, g. gapperi, 267 



,, g. loringi, 209 



,, g. ochraceus, 268 



,, g. rhoadsii, 268 



,, g. saturatus, 271 



glareolus, 216, 217, 218, 

 ~ 219, 233, 342, 349 

 „ g. britamiicus, 219 



„ g. glareolus, 218 



g. hallucalis, 229 

 ,, g. helveticus, 222 



„ g. istericus, 221 



,, g. italicus, 227 



„ g. nageri, 227 



