202 THE AMERICAN NATURALIST. 
6a. Zapus trinotatus alleni Elliot. Mount Shasta and Sierra Nevada 
of California. 
7. Zapus montanus Merriam. Cascade Range, Oregon. 
8. Zapus orarius Preble. Coast of California from Point Reyes to 
Mendocino County. 
9. Zapus pacificus Merriam. Rogue River Valley, Oregon, and south- 
ward into California. : 
Io. Zapus saltator Allen. Northern British Columbia. 
SUBGENUS NAPAOZAPUS. 
11. Zapus insignis Miller. New Brunswick, northern New England, 
Adirondacks and Catskills of New York, and southward in the Alleghanies 
to Maryland. 
II a. Zapus insignis roanensis Preble. Roan Mountains, N. C. 
11 5, Zapus insignis abietorum Preble. Quebec and western Ontario. 
