Occasional Papers of the Mnscum of Zoology 7 



31. Ondatra zibethica (Linnaeus). Northern Muskrat. 

 Specimens: Washtenaw, Livingston, Keweenaw (Isle Royale), 



Dickinson, Huron, Cheboygan, Osceola, Chippewa. 



Observations: Lenawee, Jackson, Wayne. 



Records: Ontonagon, Ottawa, Genesee, Berrien, Moni-oe, Ing- 

 ham, Presque Isle, Oceana, Wayne, Lapeer, Mason, St. 

 Joseph, Mackinac, Delta, Sanilac, Jackson, Allegan, Clinton, 

 Van Buren, Hillsdale, Kalkaska, Lenawee, Iron, IMontmo- 

 rency, Oakland, Calhoun, Baraga, Cass, Branch, Gogebic, 

 Crawford, Gratiot, Montcalm, Barry, Grand Traverse, Mar- 

 quette, Arenac (Charity Island). 



32. Synaptomys cooperi (Baird). Cooper's Lemming. 

 Specimens: Washtenaw, Cheboygan, Cass. 



33. Zapus hudsonius (Zimm.). Northern Jumping ]\Iouse. 

 Specimens: Washtenaw, Kalamazoo, Ontonagon, Dickinson, 



Huron, Chippewa, Oakland. 

 Records: Muskegon, Schoolcraft, Keweenaw, Otsego, Branch, 

 Gratiot, Cass. 



34. Napaeozapus insignis (Miller). Woodland Jumping ]\Iouse. 

 Specimens: Crawford, Oakland, Ontonagon. 



Records: Alcona. 



35. Erethizon dorsatum (Linnaeus). Canada Porcupine. 

 Specimens: Ogemaw, Roscommon, Ontonagon, Huron, Dick- 

 inson, Osceola. 



Observat'ions: Presque Isle, Cheboygan, Chippewa. 



Records: Washtenaw, Jackson, Oscoda, Crawford, Alger, 

 Alcona, Presque Isle, Cheboygan, Chippewa, Iron, Ingham, 

 Oceana, Missaukee, Mecosta, Montmorency, Cass, Gogebic, 

 Montcalm, Gratiot, Mackinac, Allegan, Muskegon. 



36. Sylvilagus fioridanus mearnsii (Allen). IMearn's Cottontail. 

 Specimens: Washtenaw, Eaton, Livingston, Huron, Osceola. 

 Observations: Wayne, Monroe, Lenawee, Jackson, Oakland, 



Arenac (Charity and Little Charity Islands). 

 Records: Ottawa, Genesee, Berrien, Cass, Charlevoix, Oceana, 

 Presque Isle, Wayne, Ingham, Oakland, Jackson, Monroe, 

 Grand Traverse, Crawford, Montcalm, Gratiot, Muskegon, 

 Lenawee, Cheboygan, Hillsdale, Arenac (Charity and Little 

 Charity Islands). 



37. Lepus americanus (Erxleben). Varying Hare. 

 Specimens: Keweenaw (Isle Royale), Osceola, Oscoda, Hu- 

 ron, Chippewa. 



