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IOWA ACADEMY OP SCIENCE 
( )r(]er MAESUPIALIA. (The Marsupials.) 
Family DIDELPHIDIDIB. (The Opossums.) 
Genus DIDELPHIS Linnaeus. 
1. DidelpJiis virginiana Kerr. Common Opossum. 
Southern half of the state. 
Order GLIRES. (The Rodents or Gnawers.) 
Family LEPORIDAE. (The Hares.) 
Genus LEPUS Linnaeus. 
2. Lepiis aquaticus Bachman. AVater Hare; Swamp Rabbit. 
Missouri; Southern Illinois, possibly in Iowa. 
3. Lepus americmiiis phasonotus Allen. White Rabbit; Varying Hare, 
Mr. Pellett has seen specimens taken in Iowa. Minnesota. 
4. Lepus campestris Bachman. AVhite-taled Jack Rabbit; Prairie Hare. 
Sparingly over southern half, and common in northern half of Iowa. 
5. Lepus ealifornicus melanotis Mearns. Great Plains Jack Rabbit. 
Occurs over Nebraska; records for Missouri and South Dakota; possibly 
In Western Iowa. 
G. Lepus floriclanus mearnsi Allen. Cotton-tail. 
Our most common rabbit. 
7. Lepus iiorulanus similis Nelson. Nebraska Cotton-tail. 
Minnesota; South Dakota and Nebraska; very likely in north-west part 
of Iowa. 
8. Lepus floriclanus alacer Bangs. Oklahoma Cotton-tail. 
Missouri and Southern Illinois north to Columbia, Missouri; possibly 
in Iowa. 
Family ERETHIZONTIDAE. (The American Porcupines.) 
Genus ERETHIZON Frederick Cuvier. 
9. Eretliizon clorsatus Linnaeus. Canada Porcupine. 
Comon in Wisconsin; very probably occurred in Iowa earlier. 
Family DIPODIDAE. (The Jumping Mice.) 
Genus ZAPUS 
10. Zapus liuclsonius Zimmerman. Hudson B'ay Jumping Mouse. 
“Occurs in Iowa” Preble, 
11. Zapus liuclsonius eampestris Preble. Prairie Jumping Mouse. 
Has been recorded in Iowa. 
Family GEOMYIDAE. (The Pouched Gophers.) 
Genus GEOMYS Rafinesque. 
12. Geomys l)ursarius Shaw. Pocket Gopher; Red Gopher; Prairie Gopher. 
All over the state. 
Gunus THOMOMYS Maximilian. 
13. Tliomomys talpoides Richardson. Northern Pocket Gopher; Gray Pocket. 
Gopher. 
