30 Joint Bulletin 2 



Sdurppterus sabrinus nvocrotis Mearns. Canadian flying squirrel. 

 Common in the Canadian zone and occasional in cold swamps else- 

 where. Difficult to collect because of its nocturnal habits. 



Scittropterua volant (Linne) Jorgan. Southern flying squirrel. This 

 is the flying squirrel most frequently met with in Vermont. It is con- 1 

 fined to open woodlands at the lower altitudes, ranging to the Canada 

 line in the Champlain valley. Records are incomplete as to its dis- 

 tribution north of Woodstock in eastern Vermont. 



Castor canadensis Kuhl. Beaver. Practically extinct since before 

 1850. 



Mus musculus Linne. House mouse. Introduced. Abundant in 

 buildings in settled districts. Occasionally in fields. One was taken 

 on a cold mountain brook in Sherburne two miles from a house. 



Mus norvegicus Erxleben. Norway rat. Introduced. Common 

 about buildings in settled districts. 



.J/i/6' rattus Linne. Black rat. Introduced. About buildings but 

 becoming rare. 



Peromyscus mani euiatus gracilis (Le Conte). Canadian white-footed 

 mouse. Common throughout the state above 1,000 feet altitude. 

 Prefers cool moist woods but frequents buildings in country districts. 



Peromyscus leucopus noveboracensis (Fischer) Miller. White-footed 

 mouse. Deermouse. The common white-footed mouse of the lowlands 

 and extending north in Champlain valley to Canadian border. North 

 to St. Johnsbury on east side of state. 



Evotomys gapperi ochraceus Miller. Eastern red-backed mouse. 

 Common in moist woods of Canadian zone and occasionally found in 

 cold swamps at lower altitudes. 



Microtus pennsylvanicus (Ord) Rhoads. Meadow mouse. Abundant 

 in moist grassy and brushy lands at the lower altitudes. Gardner's 

 Island in Lake Champlain at Ferrisburgh, a dry rocky tract, is over- 

 run with this mouse to the exclusion of all others. A large male was 

 trapped at the hotel near the summit of Mount Killington, where it was 

 probably introduced. 



Fiber zibethieus (Linne) Cuvier. Muskrat. Common along lakes 

 and streams and in marshes. 



synaptomys fatuus Bangs. Northern lemming mouse. This elusive 

 species is put in the Vermont list as result of the trapping of two speci- 

 mens; one under matted spruces at the summit of Mount Killington 

 by Mr. Kent and the writer and the other in a sphagnum swamp (Scan- 



