THE CANADIAN ENTOMOLOGIST. 261 



18. Gomphus notatus Rambur. 



MANITOBA.— Avveme, July 19, 1910, 4 ^^ s, 3 ? s (C, Ws). 



This species was determined by Mr. E. B. Williamson, as I had 

 never met with it before. It has also been recorded from the Province 

 of Quebec. 



19. ^shna sitchensis Hagen. 



MANITOBA.— Winnipeg Beach, Lake Winnipeg, Sept. 6, 1909, 



1 cT (Ws). Westbourne, Aug. 19, 1908, i ^ (Ws). 



~ SASKATCHEWAN.— 2 c? s, i Ç. (Exact locality not given. 

 Scudder, Museum of Comparative Zoology.) 



This boreal species ranges from Newfoundland to Alaska. 



20. ^sJuia juncea Linné. 



ALBERTA.— Banff, July 17, 1902, 2 $ s (R. C. Osburn, S). 

 Circumpolar and common in the Boreal Region of North America. 



21. ^shna subarctica E, M. Walker. 



MANITOBA.— Winnipeg, Sept. 9, 1909, i 9 (Ws). 

 This is the western limit of this species so far as known. 



22. ^shna interrupt a lineata E. M. Walker. 



MANITOBA.— Aweme, July 20, 1906, Aug. 10, 1907, Aug. 16, 

 1908, 2 ^s, 2 $s (C). Winnipeg, July 6-24, Sept. 7, 1908, 5 c^ s, 

 5 V s (Ws). Winnipeg Beach, Lake Winnipeg, Aug.-Sept. 6, 1909, 



2 c^s, 3 ?s (Ws). Westbourne, July, 1907, Aug. 16, 1908, 2 c/is, 

 2 ?s (C). Swan River, Sept. 8, 1906, i Ç- (W. J. Alexander). 



SASKATCHEWAN.— Meota, July 8, 1907, i d', i V (Wg). 

 Carlton, July 28, 1900, July 22, 1907, 3 cTs (F. Wg). Duck Lake, 

 July 22, 1907, 2 c^s, teneral (F, Wg). Goose Lake, July 21, 1907, 

 I cf (Wg). Parkside, July 24, 1907, i d^, teneral (Wg). Regina, 

 July 18, 1905, 4 cr^s, 2 9 s (Wg). Moose Jaw, Aug. 24, 1908, i 9 

 (Caudell). 



ALBERTA. — Banff, Aug. 4, 1906, Aug. 16, 1908, i cf , i 9 

 (Currie, S). Waterton Lake, Aug. 7-10, 1908, 2 c^s, 3 Ç s (E. V. 

 Cowdry). 



I have also i cf, 2 9s from Banff, taken Sept. 6, 1906, and 

 Sept. I, 10, 1908 (S), which approach the race ititerna Walk. Similar 

 intermediates are found in British Columbia. In the prairies country 

 only the pure lineata occurs. 



This is the most characteristic dragonfly of the Great Plains in 

 Canada. 



