250 U. S. NATIONAL MUSEUM BULLETIN 2 1 6 part 8 



and southward into Mexico. Specimens from those areas are of 

 course very distinct from typical albitarsis albitarsis. 



Specimens (232 cf, 3149): From Alberta (Beaverlodge, Brooks, 

 Calgary, Cassils, Chin, Drumheller, Duchess, Elkwater, Elkwater 

 Lake, Grimshaw, Lake Louise at 5,600 ft., Lethb ridge, Manyberries, 

 Medicine Hat, Scandia, Waterton, and Welling) ; Arizona (near 

 Alpine, Bear Wallow on Mount Lemmon, Cave Creek Canyon near 

 Southwest Research Station at 5,400 ft., Chiricahua Mts., Douglas, Fish 

 Creek in Tonto National Forest, Flagstaff, Geronimo, Greer, Groom 

 Creek, Hospital Flat on Graham Mt. at 9,000 ft., Huachuca Mts., 

 Jerome, Mount Lemmon at 8,000 and 9,000 ft., 10 miles north of 

 Nogales, Oak Creek Canyon, Parker Creek in Sierra Ancha, Peoples 

 Valley 6 mUes north of Yarn ell, Pinecrest on Graham Mt., Pocket 

 Creek in Sierra Ancha, Portal at 5,200 ft., near Roosevelt Lake, 

 Rose Creek in Sierra Ancha, Rustlers Park in Chiricahua Mts. at 

 8,000 to 9,000 ft., San Francisco Mts., Southwest Research Station 

 5 miles west of Portal, White Mts., Willcox, and Workman Creek in 

 Sierra Ancha) ; British Columbia (Agassiz, Courtenay, Oliver, and 

 Victoria) ; California (Angora Lake near Tahoe, Apple Valley in 

 San Bernardino Co., Avalon on Catalina Island, Big Flat on Coffee 

 Creek in Trinity Co., Blanco's Corral on White Mt. in Mono Co. 

 at 10,000 ft., Brockway, Costa Mesa in Orange Co., Crystal Lake 

 in Los Angeles Co., Dardanelle, Devil's Basin at 8,200 ft., Donner 

 Pass, Echo Lake in El Dorado Co., Exeter, Glen Alpine Creek 

 near Tahoe, Hemet Reservoir in San Jacinto Mts., Hope Valley in 

 Alpine Co., Leavitt Meadow in Mono Co., Mammoth, Markleeville, 

 May Lake in Yosemite National Park at 10,500 ft., Mono Pass in 

 Inyo Co., Mount Tallac near Tahoe, Sagehen near Hobart Mills, 

 San Diego, Sonora Pass at 9,624 ft., and near Sonora Pass at 8,500 

 ft., Summit Camp in Lassen Co., West Walker River in Mono Co. 

 at 6,000 ft., and Westwood Hills in Los Angeles Co.); Colorado 

 (Ajax Mt. near Aspen at 11,300 ft., Boulder, Denver, near Estes 

 Park, Florissant, Fort Collins, Longs Peak in Boulder Co., Mason- 

 ville, Morley, "North Boulder Creek" in Boulder Co., and Steamboat 

 Springs) ; Idaho (American Falls, BlacWoot, Oakley, 6 miles south 

 of Rock Creek in Twin Falls Co., Rock Creek Ranger Station in 

 Minidoka National Forest, and Tuttle) ; Kansas (Phillipsburg) ; 

 Labrador (Cartwi'ight and Miugan) ; Maine (Lincoln Co. and Orrs 

 Island); Manitoba (Aweme, Spruce Woods Forest Reserve, and 

 Teulon) ; Massachusetts (Harwichport) ; Michigan (Cheboygan Co. 

 and East Lansing) ; Montana (Helena) ; Nebraska (Mitchell) ; Nevada 

 (Alamo and Redhouse Ranch in Eureka Co.); New Brunswick 

 (Caraquet and Waweig) ; Newfoundland (Harmon Field) ; New 

 Hampshire (Bretton Woods); New Mexico (Cimarron Canyon in 



