1088 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
Mus 
tuza 615 
zibethicus 254 
Musculus 43, 45 
leucopus 51 
Musk Beaver 255 
Muskrat 255 
Musquash 245 
Mynomes 149, 153 
pratensis 149, 153, 156 
Myocastor 251 
zibethicus 254 
Myodes 131, 149, 237, 243 
albogularis 241 
cooperi 235 
greenlandicus 246 
helvolus 241 
hudsonius 246 
obensis 241 
torquatus 246 
trimucronatus 241 
Myomorpba 946 
Myonomes 152, 153 
riparius 156. 
townsendi 185 
xanthognathus 197 
Mysops 936 
fraternus 937, 944 
minutus 937, 944 
Myoxus7 
drummondii 2 
Neotoma 7, 45 
Neotoma 45. (See under Sigmo- 
gon, in index, for important 
erratum.) 
cinerea 14, 24 
drummondii 24 
ferruginea 14, 22,23 
floridana 14, 15, 18, 19 
fuscipes 14, 19,22 
magister 29, 946 
mexicana 15 
micropus 15 
occidentalis 24 
Neotoma, fossil 29 
North American Pika 407 
Northern 
Chipmunk 793 
Vlying Squirrel 653, 656 
Fox Squirrel 718 
Gray Squirrel 700, 701 
Meadow-mouse 196, 197, 204 
Varying Hare 304 
Ochetodon 45, 120 
humilis 123 
longicauda 126 
mexicanus 128 
montanus 130 
Ogotoma 407 
Ondatra 251, 255 
americana 255 
zibethieus 255 
Onychomys 43, 45, 105 
leucogaster 108 
torridus 109 
Oregon 
Ground Squirrel 827 
Meadow-mouse 207 
Orizaba Squirrel 763 
Oryctolagus 282 
Oryctomys 621 
bottz 626 
Oryzomys 43, 45 
palustris 113 
Otocolobus 819 
Otognosis 515 
flava 516 
longimembris 519 
Otospermophilus 819, 821 
beecheyi 825 
douglassi 825 
grammurus 825 
Oxymicterus 43, 45 
Quachil 619 
Quadruped of Georgia, unde- 
scribed little 615 
Quebec Marmot 839, 912 
Quimichpatlan 655 
Palocastor 451 
nebrascensis 451 
Paleolagus 373 
agapetellus 375, 949 
haydeni 373, 949 
triplex 375, 949 
turgidus 373, 949 
Pale 
Chipmunk 793, 795 
Striped Spermophile 872 
Panolax 376 
sanctie-fidei 376, 949 
Paramys 933 
delicatior 934, 943 
delicatissimus 935, 943 
delicatus 934, 943 
leptodus 934, 943 
relictus 932 
robustus 934, 943 
undans 935 
Parasitic Mouse 98 
Parry’s Spermophile 839 
Pecos Gopher 616 
Pedetidx 462 
Pedetine 464 
Pedomys 149, 152, 153, 209 
austerus 210 
cinnamomeus 211 
curtatus 215 
haydeni 211 
Pennsylvania, Meadow-mouse of 
156 
Perognathidina 494, 495 
Perognathus 490, 495, 496 
bicolor 515 
fasciatus 500 
flavus 516 : 
hispidus 513, 514 
mollipilosus 509 
monticola 509, 511 
parvus 504, 519 
penicillatus 504 
Phyllotis 43 — 
Peruvian Squirrel 768 
Petit Guerlinguet 757 
Chien 892. 
Pika, North American 407 
Pinemys 149, 218 
pinetorum 219 
Pitymys 152, 153, 218 
didelta 947 
pinetorum 136, 149, 219 
quasiater 226 
tetradelta 947 
Pocket Gopher 613 
Pocket Mouse 
Fasciated 500 
Hispid 513 
Honduras 515 
Least 519 
Mountain 509 
Tuft-tailed 504 
Yellow 516 
Polar Hare 288 
Polatouche d’Amérique 655. 
Pore-épic 389 
Poreupine 
Bear 389 
Canada 388 
Poreupines, North American 386 
Pouched = 
Rat 613 
Canada 612 
Southern 615 
Prairie Dog 892 
Missouri 892 
Short-tailed 902 
Western 902 
Prairie 
Ground Squirrel 872 
Hare 297 
Marmot 892 
Meadow-mouse 210 
Squirrel 292 
Squirrel, Striped 872 
Praotherium 376 
palatinum 377 
Psammomys 149, 218 
pinetorum 219 
