Mexican Swamp Rabbit _Lepus palustris_. Cotton-Tail Rabbit _Lepus palustris mallurus_. Domestic Rabbits, various breeds (Nursery stock.) SQUIRRELS AND MARMOTS (_Sciuridae_) Thirteen-Lined Spermophile _Spermophilus 13-lineatus_. Desert Spermophile _Spermophilus leucurus_. Richardson Spermophile _Spermophilus richardsoni_. Woodchuck _Arctomys monax_. Prairie Dog _Cynomys ludovicianus_. European Squirrel _Sciurus vulgaris_. Mexican Squirrel _Sciurus aureogaster_. Central American Squirrel _Sciurus variabilis_. Cuban Squirrel _Sciurus chrysurus_. Variable Squirrel _Sciurus griseo-flavus_. Gray Squirrel _Sciurus carolinensis_. Black Squirrel _Sciurus carolinensis niger_. Fox Squirrel _Sciurus ludovicianus_. White-Headed Squirrel _Sciurus macrouroides_. Malabar Squirrel _Sciurus malabaricus_. Chipmunk _Tamicis striatus_. African Ground Squirrel _Xerus capensis_. Flying Squirrel _Sciuropterus volans_. BEAVERS (_Castoridae_) American Beaver _Castor canadensis_. KANGAROO RATS (_Heteromyidae_) Kangaroo Rat _Dipodomys merriami_. POCKET GOPHERS (_Geomyidae_) Harsh-Coated Pocket Gopher _Geomys hispidus_. DORMICE (_Gliridae_) Squirrel-Tailed Dormouse _Myoxus glis_. Lesser Dormouse _Myoxus dryas_. English Dormouse _Muscardinus avellanarius_. MICE AND RATS (_Muridae_) Domestic Mouse—Unusual Color Phases _Mus musculus_. 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 _Gerbillus 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_)