12 H 
Canadian Arctic Expedition, 1913-18 
of the body, rather stout and curved downward; apical claw very long and 
stout, thumb rather slender, slightly narrowed at base, with few bristles near 
and at tip. 
Length, 5 mm. 
Locality: Bernard harbour. Dolphin and Laiion strait, Northwest Terri- 
tories, Canada. June 18, 1915; from a pond; probably not the normal habitat. 
Type in Canadian National Collection of Insects, Ottawa. 
Fig. 1. Stigmaeus arclicus, n. sp., palpus. 
2. " " leg. 
TROMBIDIID^. 
Trombidium sucidum Koch. 
Bernard harbour, Northwest Territories; June 28; July 6; July 11, 1915. 
in grass, all tile-red. 
HYDRACHNID^. 
Eylais falcata Koenike. 
Bernard harbour, Northwest Territories, July 5, 1916, in pond; and between 
Bernard harbour and cape Krusenstern, Northwest Territories, July, 1916. 
Hydryphantes ruber De Gerr. 
Pond at Chantry island. Dolphin and Union strait. Northwest Territories, 
June 17, 1916. 
Thyas stolli Koenike. 
Bernard harbour, Northwest Territories. June 28, 1915; June 30, 1916, in 
pond; and pond at Chantry island, Northwest Territories, June 17, 1916. 
