1957] 
Levi — Spider Genus Arctachaea 
105 
Harney Co. : above Fish Lake, Steens Mtn., 18 mi. E. of 
Frenchglen, 7000-8000 ft., July 14-16, 1953, $ (V. Roth). 
Arctachaea nordica (Chamberlin and I vie) 
Plate 8, Figures 1-2, 7-11; Map 1 
Achaea nordica Chamberlin and Ivie, 1947, Bull. Univ. 
Utah, biol. ser., vol. 37, p. 25. (Juvenile male holotype 
from College, Alaska, in the American Museum of Natural 
History) . 
Description . Carapace white, with a double median line 
and a dusky border. Sternum with a narrow dusky border. 
Legs white. Eyes on small black spots, anterior medians 
Map 1. Distribution of Arctachaea nordica (Chamberlin and Ivie) and 
A. pelyx new species. 
one and one-third diameter apart, one-half from laterals. 
Posterior medians separated by less than their diameter, 
by one from laterals. Abdomen white with a black spot 
