A carina 13 h 
Lebertia porosa Thorell. 
Bernard harbour, Northwest Territories, October 6-8, 1915; in stomach of 
Salvelinus marstoni Garm. 
Laminipes torris Muller. 
Herschel island, Yukon Territory, July 30, 1916, in pond; although no male 
is present, I feel sure it is this species. 
Curvipes reighardi Wolcott. 
Pond on Chantry island, Northwest Territories, June 17, 1916; pond at 
Herschel island, Yukon Territory, July 30, 1916; lake inland from Bernard 
harbour. Northwest Territories, August 10, 1915; pond at Bernard harbour, 
Northwest Territories, June 28, 1915; pond at Collinson point, Alaska, June 23, 
1914; lake at Konganevik, Alaska, June 26, 1014. 
PARASITID^. 
Parasitus bomborum Oudemans. 
Bernard harbour, Northwest Territories, on Bombus, June 16, 1916: June 
25, 1915; July 2, 6, 9, 11, 1915; and on the catkins of Salix, July 2, 1915. 
ORIBATID^. 
Galumna lucens Koch. 
Barnard harbour. Northwest Territories, May 25, 1916, on surface of pond; 
Pikumalerksiak island, near Cockburn point, Dolphin and Union strait, North- 
west Territories, July 15, 1916, in moss. 
Scutovertex nigrofemoratus Koch. 
Bernard harbour, Northwest Territories, June 30, 1916, with spider cocoon 
under a stone. 
Scutovertex lineatus Thorell. 
Cockburn point, Northwest Territories, September 7, 1914, in colonies in 
depressions on under sides of flat stones near the seashore; not moving. 
