24 



NORTH AMERICAN FAUNA 66 



Sorex fwnev.s fvjneus 

 • Specimens examined 

 O Specimens reported 



Figure 6. — Distribution of Sorex fumeiis fumem. 



paler coloration. In winter pelage, coloration is grayish, and this shrew 

 resembles Sorex dispar^ but has a shorter tail. Tooth formula as in 

 Sorex cinereus ; third unicuspid larger than fourth. 



Mecmurements. — Six adults from Finzel, Garrett County, 6 miles 

 north of Frostburg, average as follows: Total length 110.8 (104-118) ; 

 tail 44.5 (42-50) ; hind foot 13.2 (13-14) ; condylobasal length of skull 

 (average of 3) 17.9 (17.7-18.2) ; cranial breadth (average of 4) 8.7 

 (8.6-8.9) ; least interorbital breadth 3.7 (3.6-3.9) ; maxillary breadth 

 5.0 (4.8-5.3) ; length of maxillary toothrow (average of 5) 6.7 

 (6.5-6.8). 



Habitat aTid h-ahits—ThQ smoky shrew is essentially a northern and 

 mountain species and reaches its greatest abundance in the cool forested 

 regions of New England, New York, and Pennsylvania. Most of Mary- 

 land apparently does not provide suitable habitat, for it is not a com- 

 mon species in the State. It prefers damp woods and bogs at the higher 

 altitudes, where it lives under moss-covered logs and rocks. E. A. 

 Preble's field notes report that the specimens collected at Finzel were 

 taken in a hemlock and rhododendron swamp, and those at Bittinger, 

 Garrett County, deep in a hemlock forest. 



This shrew does not hibernate, and in general is active at all hours 

 of the day and night. Its weak feet are not adapted for digging bur- 

 rows, and it occupies those made by larger mammals such as the hairy- 

 tailed mole, short-tailed shrew, red-backed mouse, and pine mouse. The 



