132 POPULAR OFFICIAL GUIDE. 
Hox Squirrels. 2c aunktanaee se ors etree Sciurus ludovicianus. 
White-Headed Squirrel.................... Sciurus macrouroides. 
Malabar Squirrel.s20. 4.0 asasceee agate Sciurus malabaricus. 
Ghiijomain ks ceo crs ope cies ae he een ees Tamias striatus. 
African Ground Squirrel..................2 Xerus capensis. 
Plying: Squirrélic42. ao<cses ts ceeryeeacries Sciuropterus volans. 
BEAVERS (Clastoridae) 
American! Béaveérs:-gecvena sop cos eee Castor canadensis. 
KANGAROO RATS (JT eteromyidae) 
Kangaroo Rab. 22,00 dates somone ree Dipodomys merriami. 
POCKET GOPIIERS (Geomyidae) 
Harsh-Coated Pocket Gopher.............. Geomys hispidus. 
DORMICE (Gliridae) 
Squirrel-Tailed Dormouse................. Myoxus glis. 
Lesser Dormouse....................++++.Myowus dryas. 
English Dormouse:.3 is c.6.4 oe cans nek neues Muscardinus avellanarius. 
MICE AND RATS (Jfwridae) 
Domestic Mouse—Unusual Color Phases.... Mus musculus. 
Japanese Waltzing Mouse.................6/ Mus musculus. 
Black: Rates. cainr ada cen wee ane me eveaned Vus rattus. 
Black-and-White Rat.................00.. Mus norwegicus. 
Gray-and-White Rat...............0..005- Mus norwegicus, 
Porcupine: Mouse; iacs.¢0s.cesceng ieneaeeee Acomys cahirinus. 
Higyptian Gerbille icc ccccceceeccws hen 05 Gerbillus pyramidum. 
Muskitd tte s atic croaia vars ta maine menage ee a eens Fiber zibethicus. 
Cotton Rigi ass oe ages ala ba cee Hee as heehee Sigmodon hispidus. 
JERBOAS (Dipodidae) 
Greater Jerboa: juss cade sentioee eaten emhae Dipus aegyuptius. 
coyPpu AND spINy RATS (Octodontidae) 
Coy pik uate tic ccte eter eucton srt eine. oe Manan Myocastor coypu. 
Hutia: Cuban Tree Rats.ic. cs cscas cannes Capromys pilorides. 
Short-Tailed. Hutia. c.cccccc3 ceases senaes Capromys browni. 
PoRCUPINES (Hystricidae) 
@anada, POLCUPINGE \ccecadid 253 .eaneetnaenens Erethizon dorsatus. 
Brazilian Porcupine’ 4606 e40.05 or a give sce otove Sphingurus prehensilis. 
African Porcupine 22:5 ..cs.¢ss 00 sce ITystrix cristata, 
VISCACHAS AND CHINCIILLAS (Chinchillidae) 
Viseachay suck seeiereieney tees ase eamameves Lagostoma trichodactylus. 
acoutis (Dasyprectidae) 
Golden Agouti iniccosseniceenereswereanes Dasyprocta agouti 
Gray Apouti .....-.22- 62 e cee seen eee e eee Dasyprocta prymnolopha. 
cavies (Cariidae) 
DomestiG: Cavy nk tent ts Pe wots Cavia porcellus. 
Capy bara sacs miner nia s a aiteea zines Hydrochaerus capybara, 
Patagonian Cavy .....-..... Sen ++++,Dolichotis patagonica, 
