MAMMALIA. 13 



GLIRES. SIMPLICIDENTATA. 



MURIDAE. 



31. Mus NORVEGicus Erxleben. 



Norway rat ; Brown rat ; Wharf rat. 



Mus norvegicits Erxl., Syst. regni anim., 1777, p. 381. "in 



OMNI EUEOPA." 



Ifus decumanus Pallas, DeKay, Nat. hist. New York, 1842, 

 pt. 1, p. 79-80. 



Mus norvegicits Erxl. Stone & Cram, Amer. animals, 1902, 

 p. 142-144, fig. on pi. facing p. 142. 



Barns and neighborhood of wharves, beaches, and freight 

 yards. Introduced. 

 Me. to CoNisr. 



32. Mus KATTus Linn6. 



Black rat. 



Mus rattus Linne, Syst. nat., ed. 10, 1758, vol. 1, p. 61. "in 



DOMIBUS EUBOPAE." 



Mus rattus Linne. Elliot, Field Columb. mus., zool. ser,, 1901, 

 vol. 2, p. 117, fig. 28. 



Mus rattus Linn6. Audubon & Bachman, Quadrupeds of 

 North Amer., 1846, vol. 1, p. 189-194, pi. 23. 



About houses and barns in the country. Introduced. 

 Me, to Conn, 



33. Peeomyscus canadensis (Miller.) Bangs. 



Canadian Tvhite-footed mouse. 



Sitomys americanus canadensis Miller, Proc. biol. soc. Wash- 

 ington, 1893, vol. 8, p. 55-67. "Peteeboko, Madison County, 

 N. Y." 



Cool, damp woods of Canadian zone. 



Me, to Vt. 



Mass.— Mt. Graylock. 



