THE CANADIAN ENTOMOLOGIST. 285 



SASKATCHEWAN— Indian Head, July 22, 1903, i 9 (W4). 

 Regina, Aug. 10, 1S8Ô, 2 c^ s, 4 9 ^ (F); Aug. 7, 1903, i cf, i 9 

 (\Vg). Lumsden, S-^pt to, 1906, i vvo"ti cf (Alexande;). Dividson, 

 Aug. 2 1, 1907, I 9 (Wg). GoDse Lake, July 19, 20, 1907, 2 cf j, 

 2 9-s(F, Wg). Saskatoon, July «6, 1936, i cf (Wg). Duck Like, 

 July 22, 1907, I cf, 2 9 s (F). Iviuistino, July 25. 1907, 4 cf. 2 9 s 

 (F, Wg). Birch Hills, July 25 19D7, 3 9 s (\Vg). Carlton, i 9 (F). 



ALBERTA.— Cardston, July 23, 1900. i 9 (Wg). B^-aver 

 Lake, 1907. 4 9 -i ('^^ Halkeit). Banft', July 21, 1908, 3 cf ' ; ^^^Z- 

 3, 1908, I cf ; Aug. 10, 1908 (summit of Suli)hur Mc), ■. 9; .A'ig. 

 24, 1908, I 9 (S). Near Watertou L-ike, Aug. 10, 24, 19:8 4 a^ s 

 4 9-^ (Cowdry). 



This is jierhaps the commonest dragonfly of the prairie region. 



41. Synnpetriim ohtrusum obtriisuiii Hagen. 



NL\NLrOBA. — Wesibourne, Jtdy 27, i -, 08, i cf ; A"g. 10,26 

 4 cf^, I 9 (^^^s). Swan River, S^pt. 8, 1906,3 cf S i 9 (Alexander). 



42. Sympetrwn obtriisum fnorrisoui Ris. 



ALBERTA.— Near Witerton Lake, Aug. 5, 1938. i 9 (Cowdry). 

 A pale specimen, the femora i)ale in the bisal half. 



43. Syvipetrnm corruptum Hagen. 



MANITOBA.— Aweme, Sept. 15, 1907, i cT"; S pt. 8, 1908, 2 

 9s(Ws). Winnipeg, July 8, 1908, i 9 ; Sept. 7, 19-8, 2 9 s, 

 teneral (Ws) 



SASKATCHEWAN.— Regina, Aug. 10, 1S86, i 9 (F). 



ALBERTA— Lethbridge, July 7 1909, i 9 (Ws). Banff, Sept. 

 13, 1897, I cT, I 9 ; Jidy 15, 1908, I cf; Ji^dy 27, 1908 (trail above 

 Hot Springs), r 9 [^)- Laggan, \ 9 (J E. Bean). 



This species appears to be very much commoner in the Western 

 Provinces than in Ontario, where it is very loc.il. 



44. Leiicorrhiniaborealis Hagen, 



MANITOBA. — Bird's Hill, June 5, 1909, ■r.'çS'-. 2 9 s (Ws). 

 Aweme, July 15, 1907, i 9> somewhat teneral; June 4, 9, 1909, 

 2 9s(C). 



ALBERTA. -Banff, June 17, 1908, i cf (S). 



Except the orginal record from Hudson's Bay, these are the only 

 localities for this species known to me. 



