220 THE CANADIAN ENTOMOLOGIST. 



33. Syrphus torviis, Osten Sacken. — Common at Glacier, July 20, 

 1901, and Aug. 21, 1902. Taken by Harvey at Vancouver, May 16, 

 1903 ; at Wellington, April 17th, 1403, and at I\It. Cheam, Aug. 9, 1903. 

 T'aken also at Laggan, Alberta. 



34. Syrphus Lesuerii, Alacquart. — Victoria, July 17, 1901. Harvey 

 has taken the species also at Vancouver, Aug. 25, 1902, and July 14, 1903. 



35. Syrphus Americauus^ Wiedmann. — Very common at Port Ren- 

 frew early in July. Taken by Harvey at Vancouver, Aug. 18, 1902, and 

 April 13, 1903, and at Wellington, April 15, 1903. Taken by the writer 

 at Seattle, Wash., July 15, 1901. 



36. Syrphus opmator, Osten Sacken. — Port Renfrew, July 6, 1901, 

 and Field, July 17, 1901. Taken by Mr. E. A. Anderson at Victoria, and 

 by Mr. R. V. Harvey at Vancouver and Victoria, at dates ranging from 

 May 23 to Oct. 22. 



37. Syrphus umbellatarum, Schiner. — A number of specimens taken 

 at Glacier, Aug. 21, 1902. The species was also taken at Laggan, 

 Alberta, July 22, 1901, and at Banff, Alberta, July 17, 1902. 



{Syrphus glacialis (Johnson), Laggan, Alberta, July 22, 1901), 



38. Syrphus macular is (Zetterstedt). — A single specimen taken at 

 Port Renfrew, June 29, 1901. 



39. Didea laxa, Osten Sacken. — Three specimens have been sent 

 me by Mr. Harvey, one taken at Victoria, Aug. 14, 1902; one at Van- 

 couver, Aug. 10, 1902, and one at Mt. Cheam, Aug. 6, 1903. 



40. Mesogramma marginata (Say). — Port Renfrew, Aug. 16, 1902. 

 Agrees almost exactly with specimens from New York, Ohio and North 

 Dakota. 



41. Mesogramma geminata (Say). — Port Renfrew, Aug. 16, 1902; 

 Victoria, Aug. 17, 1901. Taken also at Seattle, Wash., July 15, 1901. 

 The western specimens agree well with the common eastern form. 



42. Sphcerophoria cylindrica (Say). — Very common. Port Renfrew, 

 July 6, 1901 ; Aug. 16, 1902 ; Field, July 19, 1901 ; Glacier, July 20, 

 1901 ; Agassiz, July iS, 1902. Mr. Harvey has also_ taken the species at 

 Vancouver, May 30, 1902; Vernon, June 27, 1902; and Victoria, Aug. 

 I, 1902. The writer has taken the species also at Seattle, Wash.; Banff, 

 Alberta; Swift Current and Moose Jaw, Assiniboia. There seems to be no 

 appreciable differences between western and eastern forms in a series of 

 over 50 specimens. 



(To be continued.) 



