﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 125 



Thoracic sculpture rather even and fine, the mesoscutum with a 

 fine scabrous mat sculpture that shows no definite wrinkles or more 

 than small indistinct punctures. 



Abdomen varying from the coloration described as typical for the 

 species to mostly ferruginous from the base of the second tergite to 

 the apex of the fifth. The abdomen averages most extensively fer- 

 ruginous in California specimens, averages progressively less ferru- 

 ginous in Oregon and Washington, and intergrades with the darker 

 transcontinental type in British Columbia. 



Specimens. — Many males and females from Alaska (Matanuska) ; 

 Alberta (Banff, Czar, Edmonton, Gull Lake, High Prairie, Norquay 

 Meadows near Banff at 5,000 to 6,000 feet, Wabamum, and Water- 

 ton); Arizona (Mount Lemon in the Santa Catalina Mountains at 

 7,800 feet); British Columbia (Courtenay, Duncan, Kaslo, Likely, 

 London Hill Mine near Bear Lake at 7,000 feet, and Salmon Arm); 

 California (Berkeley, Fallen Leaf Lake in El Dorado County, 

 Giant Forest in Tulare County, Gold Lake in Sierra County, Hunting- 

 ton Lake in Fresno County at 7,000 feet. Keen Camp, Kings River 

 Canyon in Fresno County, Lagunitas in Marin County, Lake City 

 in Modoc County, Lassen Creek in Modoc County, Meadow Valley 

 in Plumas County at 3,500 to 4,000 feet, Mineralking, Mount Her- 

 man in Santa Cruz County, Oakland, San Mateo County, Santa Clara 

 County, Siskiyou County, Sobre Vista in Sonoma County, Straw- 

 berry Valley in El Dorado County, Wood Creek in Fresno County 

 at 8,000 feet, and Yosemite Valley); Colorado (Boulder County, 

 Colorado Springs, Elk Creek near Eraser in Grand County, Florissant, 

 Granite Peaks Camp near Bayfield at 9,000 feet, Halfway House at 

 Pikes Peak, Longs Peak Inn, Steamboat Lodge, and summit of Gore 

 Mountains near Toponas) ; Idaho (Four Mile Camp at Priest Lake) ; 

 Manitoba (Aweme and Teulon) ; Michigan (Montcalm County and 

 Montmorency County); Montana (Belton and Logan Falls in 

 Glacier National Park) ; New Brunswick (Bathurst) ; New Jersey 

 (Ramsey); New Mexico (Beulah); New York (Boston, Gowanda, 

 Hamburg, and Sea Clift') ; Nova Scotia (Baddeck and Ottawa House 

 at Parrsboro) ; Ontario (Kearney, Ottawa, Sand Lake, Smoky Falls 

 on the Mattagami River, Sudbury, Trenton, and Vineland) ; Oregon 

 (Corvallis, Eagle Ridge at Klamath Lake, Graves Creek at Reuben 

 Creek 20 miles north of Granite Pass, Homestead Inn at Mount Hood, 

 Lake Basin Trail at Wallowa Lake at 4,500 to 5,500 feet. Lick Creek 

 Ranger Station in Wallowa National Forest, Llao Rock at Crater 

 Lake at 7,400 to 8,025 feet, Pameha Lake at 3,000 feet on Mount 

 Jefferson, Pine Creek Canyon in Baker County at 4,600 to 5,300 feet, 

 Scappoose, and Summit Prairie); Prince Edward Island (Dalvay 

 House in the Canadian National Park) ; Quebec (Aylmer, Cascapedia 

 River, Gracefield, Laniel, Lake Opasatika, Montreal, Norway Bay, 



