'I 



Delphinus janira 



Delphinus major 



Delphinus marginatus 



Delphinus microps 



Delphinus moorei 



Delphinus moscbatus 



Delphinus novae-zelandiae 



Delphinus phocaena 



Delphinus pomeegra 



Delphinus sowerbianus 



Delphinus tursio 



Delphinus variegatus 



Delphinus walkeri 



delphis. (Delphinus) 27, 



Delphis phocaena 



densirostris. (Mesoplodon) 



deserti. (Dipodomys) 234, 



desert!. (Reithrodontomys m.) 



deserticolus. (Lepus t.) 



deserticolus. (Peromyscus a. I 



desertorum. (Neotomai i6l, 



desmaresti. 1 Phoca 1 



destruLtor. (Lutrai 



destructor. (Pseudorca) 



dickinsoni. (Reithrodontomys 1.).. 



Dicotyles 



Dicotyles tajacu 



Dicoty lidae 



Dicotylinae 



Dicrostony,\ 



Dicrostonyx groenlandicus 



Dicrostonyx hudsonius 



Dicrostonyx h. alascensis 



Dicrostonyx h. nelsoni 210, 



Dicrostonyx h. richardsoni 



Dicrostonyx h. unalascensis 



Dicrostonyx ungulatus 



Didelphyidae I, 



Didelphys 



Didelphys californica 



Didelphys marsupialis i, 



Didelphys virginiana 1, 2, 



Didelphys v. pigra 



dimidiatus. (Phoca) 



Dinops 



Diodon 



Diplostoma 



Dipodomyinae 231, 



Dipodomys 231, 235, 240, 



Dipodomys californicus 235, 



Dipodomys c. palhdulus 



28 



20 



28 



28 



28 



28 



28 



28 



20 



17 



235 



151 



291 



125 

 429 

 364 

 352 

 23 

 150 

 33 

 33 

 33 

 33 

 209 

 209 

 209 

 210 

 211 

 211 

 210 

 209 

 425 



3 



425 

 425 

 I 

 364 

 4>6 

 18 



241 

 431 

 431 

 43' 



Dipodomys deserti 234. 



Dipodomys elator 234, 



Dipodomys merriami 232, 233, 



Dipodomys m. ambiguus 



Dipodomys m. exilis 



Dipodomys m. nevadensis 232, 



Dipodomys m. nitratoides 



Dipodomys m. nitratus 



Dipodomys m. parvus 



Dipodomys m. similis 



Dipodomys montanus 



Dipodomys o. montanus 



Dipodomys philipsi 



Dipodomys spectabilis 



Dipodops 



discolor. (Felis) 



discolor. ( Phoca) 



dispar. (Neotoma f.) 



dispar. (Perognathus c.) 



divergens. (Trichechus) 



dobsoni. (Sorex v.) 



doreides. ( Prodelphinus) 



doris. (Prodelphinus) 



dorsalis. (Sciurus) 



dorsalis. (Tamias) 



dorsata. ( Phoca ) 



dorsatus. (Erethizon) 264, 265, 



douglasi. (Sciurus) 



douglasi. (Spermophilus g.) 



douglasi. (Thomomys) 226, 



drummondi. (Microtus) 



drummondi. (Neotoma c.) 164, 



dubius. (Prodelphinus) 



duguidi. (Balaenoptera) 



dutcheri. (Microtus) 



dychei. ( Reithrodontomys) 



dyselius. ( Peromyscus) 



Dysopes 



Page. 

 235 



431 

 I 234 

 234 

 233 

 233 



233 



233 



234 



234 



431 



431 



231 



234 



231 



293 



364 



160 



255 



358 



370 



30 



32 



57 



68 



364 



432 



65 



89 



229 



■ 81 



429 



30 



13 



185 



•50 



138 



416 



Echinoprocta 264 



Echinosciurus 50 



edax. (Microtus) 187 



Edentata 4 



elator. (Dipodomys) 234, 431 



elegans. (Spermophilus) 94 



elongator. (Mephitis) 324 



elucus. ( Procyon 1.) 319 



emmonsi. (Ursus) 315 



empetra. (Spermophilus) .... ..89, 427 



energumenus. (Putorius v.) 340 



Enhydra 354 



