320 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



deserticola (Hesperomys), 85. 

 deserticola (Lepus), 182. 

 de.serticolus (Hesperomys), 85. 

 deserticolvLS (Peromyscus), 85. 

 desertorum (Neotouia), 103, 106. 

 desmarestianus (Heteromys), 164. 

 Desmodontinae, 295. 

 Desmodus, 295. 



rotundus, 295. 



rufus, 295. 

 diazi (Lepus), 177. 

 dickensoni (Keithrodontomys), 97. 

 Diclidurus, 269. 



albus, 269. 

 Dicotyles, 12. 



angulatus, 12. 



labiatus, 13. 



sonorieiisis, 12. 



tajacu, 13. 

 Dicrostonyx, 134. 



alascensLs, 135. 



hudsonius, 134, 135. 



nelsoni, 135. 



richardsoni, 135. 



unalascensis, 135. 

 didactyla (Myrmecophaga), 9. 

 didactylus (Bradypus), 8. 

 didactylus (Cyclope.s), 9. 

 didactylus (Cycloturas), 9. 

 Didelphia, 3. 

 Didelphiidae, 3. 

 Didelphis, .?, 7. 



aurita, 7. 



californica, 7. 



cane.scens, 4. 



cinerea, 4. 



marsupialis, 7. 



iiiurina, 4i 5. 



philander, 5. 



pigra, 7. 

 Didelphys aurita, 7. 



cinerea, 4. 



derbianus, 5. 



marsupialis, 7. 



murinus, 5. 



nudicaudata, 6. 



quica, 6. 



vii'giniana, 7. 

 difficilis (Peroinyscus), 72. 

 difficilis (Vesperimus), 72. 

 dilatus (Scapanus), 307. 

 Diphylla, 295. 



ecaudata, 295. 

 Diplostoma bulbivorum, 144. 

 Dipodidae, 166. 

 Dipodomyinae, 149. 

 Dipodomys, 149. 



agdis, 153. 

 » ambiguus, 149. 



Dipodomys atrouasus, 150. 



californicus, 150. 



chapmani, 153. 



conipactus, 153. 



deserti, 150. 



elator, 1.50. 



exilis, 150. 



melanurus, 151. 



merriami, 149, 150, 152. 



mitclielli, 151. 



montanus, 150, 151. 



nevadensis, 151. 



nitratoides, 151. 



nitratus, 151. 



ordii, 154. 



ornatus, 151. 



pallidulus, 150. 



parvus, 151. 



peroten.sis, 152. 



phillipii, 152. 



phillipsii, 149, 152. 



similus, 152. 



simiolis, 152. 



spectabilis, 152. 

 Dipodops longipes, 153. 



palmeri, 154. 



richardsoni, 154. 



sennetti, 154. 

 Dipus americanus, 166. 



hudsonius, 166. 

 discifera (Hyonycteris), 275. 

 discifera (Thyroptera), 275. 

 dispar (Neotoma), 104. 

 dispar (Perognathus), 163. 

 dobsoni (Sorex), 237. 

 dolichocephalus (Macrogeomys), 142. 

 Dorcelaphus, 14. 



crooki, 15. 



eremicus, 16. 



macrourus, 309. 



texeiksis, 17. 

 dorsalis (Eutamias), 41. 

 dorsalis (Sciurus), 28, 29. 

 dorsalis (Tamias), 41. 

 dorsata (Hystrix), 172. 

 dorsata (Mazama), 23. 

 dorsatum (Erethizon), 172. 

 dorsatus (Erethizon), 172. 

 douglasii (Arctomys), 50. 

 douglasii (Geomys), 145. 

 douglasii (Sciurus), 33. 

 douglasii (Si)ermophilus), 50. 

 douglasii (Thomomys), 145. 

 douglassi (Sciurus), 33. 

 douglassii (Sperniophilus), 50. 

 dowii (Elasmognathus), 24. 

 drummondi (Arvicola), 117. 

 drummondi (Microtus), 117. 

 drummondi (Myoxus), 102. 



