132 POPULAR OFFICIAL GUIDE. 
FOX. SQuitPelispecacieune Geasaauminn Caddies Sciurus ludovicianus. 
White-Headed Syuirrel..................-. Nciurus macrouroides. 
Malabar Squirrel. .0.5. 264 ¢ scence is eeuwaaas Sciurus malabaricus. 
Chipmunks cvs. cuien a's's aiema ges Savas, oy paras Tamias striatus. 
African Ground Squirrel..................Xerus capensis. 
Flying Squirrels. .cicisecsssanees eevee ds Sciuropterus volane. 
BEAVERS (Castoridae) 
American Beaver............. 000020 eeeuee Castor canadensis. 
KANGAROO RATS (Heteromyidae) 
Kangaroo Ratsicssiisseeecurs cee caer anes Dipodomys merriami. 
POCKET GOPHERS (Geomyidae) 
Harsh-Coated Pocket Gopher.............. Geomys hispidus. 
DORMICE (Gliridae) 
Squirrel-Tailed Dormouse...............-. Myoxus glis. 
Lessér: Dormouse: i954: veess os ceases eewae Myorus dryas. 
English Dormouse...............0. 00000005 Muscardinus avellanarius. 
MICE AND RATS (Muridae) 
Domestic Mouse—Unusual Color Phases....Mus musculus. 
Japanese Waltzing Mouse................. Mus musculus. 
Black: Rats, 3.25. 496 eesuaey oo Meee eeednuns oe TOe es. 
Black-and-White Rat.....................Mus norwegicus. 
Gray-and-White Rat..................000, Mus norwegicus. 
Porcupine Mouse. .i 4. swe oencreea cece cee tcomys cahirinus, 
Epvptian Gerbille.................2....... Gerbillus pyramidum. 
Wuisklatec.ésxvscageneneedee cer gegisaa ments Fiber zibethicus. 
Cotton” Rati s caddie shia h ol uereet aa hee Sigmodon hispidus. 
gerBoas (Dipodidae) 
Greater Jerboa cian converge pieced a Reems Dipus aegyptius. 
COYPU AND spINy rAts (Octodontidae) 
Coypu Rat ............ cece eee eee eee Myocastor coypu. 
Hutia: Cuban Tree Rat................... Capromys pilorides. 
ShorieVailed: Moitia. <ccswsss sieves cewewe ys Capromys browni. 
PORCUPINES (Hystricidae) 
Canada Porcupine ................00.200- Erethizon dorsatus. 
Brazilian Porcupine .................0000- Sphingurus prehensilis. 
African Porcupine sscwecccgssenanieueecces Hystrix cristata. 
VISCACIIAS AND CHINCINLLAS (Chinchillidae) 
WASCACKA? “s9% auch cetanomns and aaa dag Aa eA Lagostoma trichodactylus. 
acoutis (Dasyproctidae) 
Golden Agouti :4ssngenversccacanees eeeees Dasyprocta agouti 
Gray ApOUtl: «osc ncedo ty ecco we su apn bs re Dasyprocta prymnolopha. 
CAVIES (Caviidae) 
Domestic Cavy' nicscusoasevnrs megane yeaee Cavia porcellus. 
Capybata- 2.45 as auacerg yeu hee e4 Hydrochaerus capybara. 
Patagonian Cavy .................0. cee Dolichotis patagonica. 
