132 POPULAR OFFICIAL GUIDE. 



Fox Squirrel Sciurus ludoviciamus. 



White-Headed Squirrel Sciurus macrouroides. 



Malabar Squirrel Sciurus malabaricus. 



Chipmunk Tamias striatus. 



African Ground Squirrel Xerus capensis. 



Flying Squirrel Sciuropterus volant. 



beavers (Castoridae) 

 American Beaver Castor canadensis. 



kancaroo rats ( H eteromyidae) 



Kangaroo Rat Dipodomys merriami. 



pocket gophers (Geomyidae) 



Harsh-Coated Pocket Gopher Geomys hispidus. 



dormice (Gliridae) 



Squirrel-Tailed Dormouse Myoxus glis. 



Lesser Dormouse Myoxus dry as. 



English Dormouse Muscardinus avellanarius. 



mice and rats (Muridae) 

 Domestic Mouse — Unusual Color Phases .... Mus nmseuhis. 



Japanese Waltzing Mouse Mus musculus. 



Black Rat Mus rattus. 



Black-and-White Rat Mus norwegicus. 



Gray-and-White Rat Mus norwegicus. 



Porcupine Mouse Acomys cahirinus. 



Egyptian Gerbille Oerbillus pyramidum. 



Muskrat Fiber zibethicus. 



Cotton Rat Sigmodon hispidus. 



jerboas (Dipodidae) 

 Greater Jerboa Dipus aegyptius. 



coypu and spiny rats (Octodontidae) 



Coypu Rat Myocastor coypu. 



Hutia : Cuban Tree Rat Capromys pilorides. 



Short-Tailed Hutia Capromys browni. 



porcupines (Hystricidae) 



Canada Porcupine Erethizon dorsatus. 



Brazilian Porcupine Sphingurus prehensilis. 



African Porcupine Ilystrix cristata. 



viscaciias and CHINCHILLAS ( ChincJiiUidae) 

 Viscacha Lagostoma trichodactylui. 



agoutis (Dasyproctidae) 



Golden Agouti T)asyprocta agouti 



Gray Agouti Dasyprocta prymnolopha. 



cavies (Caviidae) 



Domestic Cavy Cavia porcellus. 



Capybara Hydrochaerus capybara. 



Patagonian Cavy Dolichotis patagonica. 



