604 



TABLE OF CONTENTS. 



PAGE 



Assapan (P. volucella) .... 312 

 J.— Genus : Ground Squirrels ( J\i 



""<"> 313 



Buraudxik. (T.striatus) . . . .313 

 Chipmunk ( T. lysteri) . . . .314 

 Four-striped Chipmunk ( T. 



guadriviltalus) 314 



Mountain Chipmunk ( T. la- 

 teralis) 314 



Southwestern Chipmunk (T. 



harrisi) 314 



4. — Genus: Xerus (Arras) 314 



Xerus (A', rulilus) 314 



THE marmots (Arctomyince) .... 315 

 5.— Genus : Pouched Marmots (Sper- 



mophilus) 315 



Souslik (5. cilillus) 315 



Parry's Marmot Squirrel (S. 



empetra) 316 



Gray Prairie Squirrel (S. 



franklini) 316 



Thirteen-lined Spermophile 

 (S.. tridecum-lineatus) . . 316 

 6. — Genus :_ Prairie Dogs (Cynomys) 316 

 Prairie Dog (C. ludovicianits) 316 

 7. — Genus : Marmots Proper (Arc- 



tomys) 318 



Bobac (A. bobac) 318 



Alpine Marmot (A. marmota) 320 

 Woodchuck (A. monax) . .321 

 Rocky Mountain Marmot (A. 



flaviventor) • . . 321 



Hoary Marmot (A. pruinosus) 321 



Second Family: Dormice (Myoxida). 

 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 (Mus- 



cardinus) 322 



Common Dormouse (M, avel- 



lanarius) 322 



Third Family: Bearers (Castorida:) 323 

 Genus : Beavers (Castor) . . . 323 



Beaver (C. fiber) 323 



Canadian Beaver (C. canaden- 

 sis) 324 



Fourth Family: Jerboas(Dipodid<z)327 



Jumping mice (Jaculina) 328 



1.— Genus : JumpingMice (Jaculus) 

 Jumping Mouse (J. hudsonius) 328 

 TRUE jerboas (Dipodince) .... 328 

 2.— Genus : Jerboas Proper (Dipus) 



Egyptian Jerboa (D.cegypticus)T,2& 

 3.— Genus : Alactagas (Scirteles) . 329 



Alactaga (S. jaculus) 329 



jumping hares (Pedetince) 328 



4-— Genus : Jumping Hares (Pedetes) 



Jumping Hare (P. caffer) . . .330 



Fifth Family: Mice (Murida) . .330 



running mice (Merionidince) . . .332 



I.— Genus : Sand Vjats(Psammotnys) 332 



Sand Rat (P. obesus) 332 



the mice proper (Murines) .... 332 



2.— Genus : Mice (Mus) 332 



Egyptian Rat (M. alexandri- 

 ne) . . : 332 



Hamster Rat (M. gambianus) 332 

 Black Rat(y)/. raltus) .... 333 

 Brown Rat (M. decutnanus) . 333 

 Common Mouse (M. musculus) 336 

 Wood Mouse (Af. sylvaticus). .336 

 Old World Meadow Mouse (At. 



agrarius) 337 



Harvest Mouse (Af. tninutus). 339 

 ♦Barbary Mouse (AT. barbarus) 337 

 3.— Genus : Cotton Rats (Sigmodon) 336 

 Cotton or Rice Rat (S. hispi- 

 dus) 336 



4— Genus: Wood Rats ( Neototna) . 336 

 Florida Wood Rat (N. Jlori- 

 dana) 336 



PAGE 



California Wood Rat (jV./usci- 



P") 336 



Gray Wood Rat (N. cinereus) 336 



INDIGENOUS AMERICAN MICE . . . 340 



5.— Genus : Western Mice (Hespero- 



*"ys) 340 



White-footed Mouse (H. leuco- 



/»/) 340 



Golden Mouse (H. aureolus). 340 

 Michigan Mouse (H. michi- 



ganensis) 340 



California Mouse (H. califomi- 



cus) 340 



Missouri Mole Mouse (H. leu- 



cogaster) 340 



Rice- field Mouse (H. oryzo- 



»ys) 340 



the hamsters (Cricetince) 340 



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

 Common Hamster ( C.frumen- 



tarius) 340 



Sixth Family : Voles (Arvicolida) 344 

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

 Muskrat (F. zibethicus) . . . 344 

 2. — Genus: Voles Proper (Arvicola) 345 

 Water Vole (A. amphibius) . . 345 

 Snow Mouse (A. nivalis) . 346 

 Bank Vole (A glareolus) . . .346 

 Field Vole (A. agrestis) . . .347 

 Red Vole (A. rulilus) .... 347 

 American Meadow Mouse (A. 



riparius) 347 



Campagnol (A. arvalis) . . . 347 



Root Vole (A. ceconomus) . . 348 



3.— Genus : Lemmings (Myodes) . 348 



Lemming (M. lemmus) . . . 348 



4-— Genus: Lemming Voles (Syn- 



aptomys) 350 



Lemming Vole (S. cooperi) . 350 



Seventh Family : Mole Rats (Spa- 



lacida) 350 



Genus : Mole Rats (Spalax) . . . .351 

 Common Mole Rat (S. typhlus) 351 



Eighth Family : Pocket Mice (Sac- 

 comyidcz) 352 



pocket mice proper (Saccomyina). 

 1.— Genus : Leaping Pocket Mice 



(Dipodomys) 352 



Ord's Pocket Mouse (D. phi- 



Uppii) 352 



2. — Genus : Kangaroo Rats(Perogna- 



thus) 352 



Brush Tailed Pocket Mouse (P. 



penicillatus) 352 



Greater Pocket Mouse (P.fas- 



cialus) 352 



Coarse-haired Pocket Mouse 



(P. hispidus) 352 



3. — Genus : Least Pocket Mice (Cri- 



celodifius) 352 



Hopping Mouse ( C. ftavus) . .352 

 Little Hopping Mouse (C.par- 



*"«) 352 



THE gophers (Geomidez) 352 



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

 Pouched Gopher(C bursarius)^2 

 Southern Gopher ( G. tuza) . . 353 

 Chestnut-Cheeked Gopher (G. 



castanops) 354 



Quachil(G\ hispidus) 354 



Mexican Gopher (G. mexica- 



n "s) 354 



5- — Genus : Pocket Rats ( Thowomys)^ 

 Common Pocket Rat ( T. tal- 



poides) 354 



Rocky Mountain Pocket Rat 



(T. clusius). . '. 354 



Ninth Family: Porcupines (Hys- 

 trichides) 354 



I. — Genus: Porcupines Proper (Hys- 



J ri *) 354 



Common Porcupine (H. Cris- 

 tata) 354 



l'Aub 



2. — Genus : Brush-tailed Porcupines 



(Atherura) 35S 



•Brush-tailed Porcupine (A. 

 africaua) 35 S 



tree or climbing porcupines (Cer- 



colabinee) 356 



3- — Genus : Climbing Porcupines 



(Erethizon) .356 



Urson (E. dorsatum) 356 



4- — Prehensile-tailed Porcupines 



(Cercolabes) 358 



Mexican Porcupine (C. novce 



hispanice) 358 



Couiy (C. Z'illosus) 358 



Coendou (C. prehensilis). . . . 359 

 Tenth Family: Cavies, or Guinea 



Pig Family (Caviida:) 359 



1. — 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) .... 363 



3- — Genus : Agoutis {Dasyproctce) . 362 



Common Agouti (D. aguti) . . 362 



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



Paca (C. paca) 363 



5.— Genus: Water Pigs (Hydrochae- 



rus) 



Water Pig (H. capybara) . , .364 

 Eleventh Family : Octodons (Oclo- 

 dontida) 366 



1. — Genus: Octodons Proper (Octo- 



don) 367 



Degu (O. cummingii) .... 367 



2. — Genus : Nutrias (Myopolamus) . 367 

 Coypu (M. coypu) 367 



3.— Genus: Ground Pigs (Aulacodus) 369 

 Ground Pig (A. swinderianus) 369 



Twelfth Family : Chinchillas (La- 

 gostomida) 369 



1.— Genus : Chinchillas Proper (Eri- 



omys) 369 



Common Chinchilla (E. chin- 

 chilla) 369 



Smaller Chinchilla (F. lani- 



gera) 369. 



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



Cuvier's Lagoti (L. cuvieri) . 371 



3- — Genus : Viscachas (Lagoslomus)yjl 



Viscacha (L. trichodaclylus) . 371 



Thirteenth Family : Hares (Lepor- 



ida) 372; 



1. — Genus : Hares (Lepus) 374 



Common Hare (L. vulgaris) . 374 

 Alpine Hare (L. timidus) . .375 

 Irish Hare (L. hibemicus) . .375 

 Polar Hare (L. glacialis) . . .378 

 Rabbit (L. cuniculus) .... 376 

 American Varying Hare (L. 



americanus) 378 



Virginian Varying Hare (L. 



amer. virginianus) .... 379 

 Washington Varying Hare (L. 



amer. washingtonii) .... 379 

 Northern Prairie Hare (L.catn- 



pestris) 379 



Texas Hare (L. callolis) . . . 379 

 Californian Hare (L. califomi- 



„C"S) 379 



Swamp Hare (L. aquaticus) . 379 

 Marsh Hare (L. palustris) . 379 

 Cotton Tail (L. sylvaticus) . 379 

 Sage Rabbit (L. artemesia) . . 379 

 the crying hares or pikas. 

 2. — Genus : Crying Hares (Lagomys) 379 

 American ¥'\Y&(L.princeps) .379 

 Alpine Crying Hare (Z. al- 



pinus') 380 



Fourteenth Family : Bristled 



Mice (Lophiomyida) 307 



Genus: Bristled Mice (Lophi- 



omys) 307 



*Skull-cap (L. imhausii) . . . 307 



