604 



TABLE OF CONTENTS. 



PAGE 



Assapan (P. volucella) ... - 312 

 3.— Genus : Ground Squirrels (Ta 



mias) 313 



Buruuduk ( T. striatus) . . . .313 

 Chipmunk ( T. lysleri) . . . .314 

 Four-striped Chipmunk ( T. 



guadrivittattts) 314 



Mountain Chipmunk ( T. la- 

 teralis) 314 



Southwestern Chipmunk (T. 



harrisi) 314 



4. — Genus: Xerus (Xeru s~) 314 



Xerus (A", rutilus) 314 



the marmots (Arctomyi/ur] .... 315 

 5. — Genus : Pouched Marmots (Sper- 



mophilus) 315 



Souslik (S. ciiillus) 315 



Parry's Marmot Squirrel (S. 



empetra) 316 



Gray Prairie Squirrel (S. 



franklini) 316 



Thirteeu-lined Spermophile 

 (S. tridecum-lineatus) . . 316 

 6. — Genus: Prairie Dogs (Cynomys 316 

 Prairie Dog (C. ludovicianns) 316 

 7. — Genus: Marmots Proper (Are- 



■ lomvs) 318 



Bobac (A. bobac) 318 



Alpine Marmot (A. marmota) 32c 

 Woodchuck (A. monaA 1 . 321 

 Rocky Mountain Marmot (A. 



flaviventor i 321 



Hoary Marmot {A. pruinosus) 321 



Second Family: Dormice (Myoxidee). 

 1.— Genus: Fat Dormice (Myoxus) 321 



Loir (M. glis) 321 



Lerotin (M. dryas) .... 322 

 2. — Genus : Lerots (Eliomys) . . . 322 



Lerot (E. nitela) 322 



3.— Genus: Dormice Proper (Mas 



cardinus) 322 



Common Dormouse (.1/. avel- 



lanarius) 322 



Third Family: Beavers (Castoridte) 323 

 Genus : Beavers (Castor) . . . 323 



Beaver (C. fiber) 323 



Canadian Beaver (C. canaden- 

 sis) 324 



Fourth Family: Jerboas (Dipod, 



Jumping mice (faculines) 32S 



1. — Genus : JumpingMice (Jaculus) 

 Jumping Mouse (J. hudsonius) 328 

 True jerboas (Dipodincr) .... 328 

 2. — Genus : Jerboas Proper (Dipus) 



Egy ptian Jerboa (D.agypticus)y2& 



3. — Genus: Alactagas (Scirleles) . 329 



Alactaga (S.jaculus) 329 



JUMPING HARES (PedetillCT I 328 



4.— Genus : Jumping Hares ( Pedetes) 

 Jumping Hare (P. coffer) . . . 330 

 Fifth Family: Mice (Muridce) . .330 

 RUNNING MICE (.Virion idincs) . . . 332 

 1. — Genus : Sand Rats (Psammomys) 332 

 Sand Rat (P. obesus) . . . . 332 

 the mice proper (Murines) .... 332 



2. — Genus : Mice (Mus) 332 



Egyptian Rat (M. alexandri- 



nus) 332 



Hamster Rat (J/, gaiiibianus 1 1 ;2 

 Black Rat (M. rallus) .... 333 

 Brown Rat (Jtf. decumanus) . 333 

 Common Mouse (.J/, musculus) 336 

 Wood Mouse i M. sylvaticus) . .336 

 Old World Meadow Mouse (M. 



agrarius) 337 



Harvest Mouse (M. minutus). 339 

 *Barbary Mouse (.1/. barbarus 337 

 3. — Genus : Cotton Rats (Sigmodon 1 336 

 Cotton or Rice Rat (S. hispi- 



dits) 336 



4— Genus : Wood Rats ( Neotoma ) .336 

 Florida Wood Rat (.V. flori- 

 dana) 336 



PAGE 



California Wood Rat (X./usci- 



pes) 33° 



Gray Wood Rat (N. cinereus) 336 



INDIGENOUS AMERICAN MICE . . 340 



5. — Genus : Western Mice (Hcspero- 



mys) 34° 



White-footed Mouse (H. leuco- 



p«s) 34° 



Golden Mouse (H. aureola 1 1 . 340 

 Michigan Mouse (H. inichi- 



ganensis) 340 



California Mouse (H. califomi- 



cus) 340 



Missouri Mole Mouse (H. U'u- 



cogaster) 340 



Rice -field Mouse (H. oryzo- 



mys) 34° 



the hamsters (Cricelina) 340 



6. — Genus: Hamsters (Cricelus) . .340 

 Common Hamster ( C.frumen- 



ta 1 ius) 340 



Sixth Family" : Voles (Arvicolidcr) 344 



1. — Genus: Muskrats {Fiber) . . .344 



Muskrat (F. zibetkiats\ . . 344 



2. — Genus : Voles Proper (Ann; >la I 3 15 



Water Vole (A. amphibius) . . 345 



Snow Mouse (A. nivalis) . 346 



Bank Vole (A glareolus) . . .346 



Field Vole (A. agrestis) . . . 347 



Red Vole (A. rutilus i . . . 347 



American Meadow Mouse {A. 



riparius) ....... 347 



Campagnol (A. arvalis) . . .347 



Root Vole (A. osconotnus) . . 34S 



3. — Genus: Lemmings (Myodes) . 348 



Lemming (J/, lentmus) . . . 34S 



4. — Genus : Lemming Voles 



aptomys) 350 



Lemming Vole (S. cooperi) 350 



Seventh Family: Mole Rats (S[>a- 



lacidir) 350 



Genus : Mole Rats <Spaia.\) .... 351 

 Common Mole Rat (S. typhi 'us ) 351 



Eighth Family' : Pocket Mice (Sac- 

 comyidtz) 352 



POCKET MICE PROPER (S 



1. — Genus : Leaping Pocket Mice 



(Dipodomys) 352 



Ord's Pocket Mouse (D. phi- 



Uppit) 352 



2. — Genus : Kangaroo Rats ( Perogna- 



t/111^) 352 



Brush Tailed Pocket Mouse (P. 



penicillatus) 352 



Greater Pocket Mouse (P.fas- 



ciatus) 352 



Coarse-haired Pocket Mouse 



(P. hispidus) 352 



3. — Genus : Least Pocket Mice (l > .<- 



celodifius) 352 



Hopping Mouse (C.flavus) . . 352 

 Little Hopping Mouse i r '. par- 

 vus} 352 



the gophers (Geotnides) 352 



4. — Genus: Gophers (Geomys) . . . 352 

 Pouched Gopher ((/. bursarius)$52 

 Southern Gopher (G. titza) . . ',53 

 Chestnut-Cheeked Goph. < 



caslanops) 354 



Quachil (G. Iiispidus) 354 



Mexican Gopher (G. mexica- 



nus) 354 



5. — Genus : PocketRats( TAomomys)354 

 Common Pocket Rat ( /'. tal- 



poides) 354 



Rocky Mountain Pocket Rat 



( T. clusiiis) 354 



Ninth Family: Porcupines (Hys- 



Iricliida-) . 354 



1. — Genus: Porcupines Proper (Hvs- 



trix) - - • " ■ 354 



Common Porcupine (H. Cris 

 fata) 354 



PAGE 



2. — Genus : Brush-tailed Porcupines 



(Alherura) 35S 



"Brush-tailed Porcupine (A. 

 africana) 35S 



TREE OR CLIMBING PORCUPINES (Cer- 



colabincc) 356 



3. — Genus : Climbing Porcupines 



(Erithizoti) 356 



TJrsonl/T. dorsatum) 356 



4. — Prehensile-tailed Porcupines 



(Cercolabes) 35S 



Mexican Porcupine (C. novce 



hispanier) 35S 



Coniy (C. villosus) . 358 



Coeudou (C. prehensilis). . . . 359 

 Tenth Family': Cavies, or Guinea 



Pig Family (Caviidce) 359 



I. — Genus: Guinea Pigs (Cavia) . . 359 

 Guinea Pig (C. porcellus) . . . 360 



Aperea (C. aperea) 360 



Peruvian Cavy (C.cutleri) . .360 



2. — Genus: Maras (Dolichotis) . . .362 



Mara (D. patagonica) . -362 



3 — Genus : Agoutis [Dasvproctcc) . 362 



Common Agouti (D. aguli) . . 362 



4 —Genus: Pacas (Ccelogenys) . . . 363 



Paca (C. paca) 363 



5. — Genus : Water Pigs (Hydroelne- 



rus) 



Water Pig(i/. capybara) . . .364 

 Eleventh Family: Octodons (Octo- 



dontidcB) 366 



1. — Genus: Octodons Proper (Octo- 



don) . . . . 367 



Degu (O. cummingii) .... 367 

 2. — Genus: Nutrias (Myoptamvs) . 367 



Coypu (M. coypu) 367 



3. — Genus: Ground Pigs (Aulacodus 1 360 

 Ground Pig (A. swinderianus) 369 

 Twelfth Family : Chinchillas (La 



imida) 369 



1. — Genus : Chinchillas Proper (Eri- 



omys) 369 



Common Chinchilla (E. chin- 

 chilla) 369 



Smaller Chinchilla (/:'. iani- 



gera) 369 



2. — Genus : Lagotis (Lagidium) . .370 



Cuvier's Lagoti (L. cuvieri) . 371 



3. — Genus : Viscachas (Lagostomus)2,Ti 



Viscacha(A trickodactylui 

 Thirteenth Family - : Hares (Lepor- 



idee) 372 



1. — Genus: Hares (Lcpus) 374 



Common Hare(Z-. vulgaris) . 374 

 Alpine Hare (L. iimidus) . .375 

 Irish Hare (L. hibemicus) 375 



Polar Hare (L.glacialis) . .378 

 Rabbit (/.. cuniculus) .... 376 

 American Varying Hare (/.. 



americanus) 37S 



Virginian Varying Hare (/.. 



aiuer. virginianus) ... 379 

 Washingtonii Varying Hare (L. 



amer. washingtonii) . . . 379 

 Northern Prairie Hare ( /. . catn- 



pestris) 379 



Texas Hare (/.. callotis) . . . 379 

 Californiau Hare (L. Californi- 

 a's) • • 370 



Swamp Hare (L. aqnaticus) . 379 

 Marsh Hare (L. palustris) 379 



Cotton Tail (L. sylvaticus) . 379 

 Sage Rabbit (/.. artemesia) . . 379 

 THE CRY'ING HARES OR PIKAS. 



2. — Genus : Crying Hares (Lagomys) 379 

 American Pika (L. princeps 1 . 379 

 Alpine Crying Hare (L. al- 



pinus) 3S0 



Fourteenth Family: Bristled 



Mice 1 Lophiomyidee) 307 



Genus : Bristled Mice (Lcphi- 



omys) 307 



Skull-cap (/.. imhausii) . . . 307 



