1921 ENTOMOLOGICAL SOCIETY. 79 



Hydroporus striola Gyll. (vtttula Er.) Mile 214-332, H.B. Ey., Man., 

 August, Onah, Man., July; Stonewall, Man., April; Peachland, B.C., 

 August 7, 1919, (J. B. Wallis). New to Manitoba. 

 1352. Hydroporus tristis Payk. Peachland, B.C., August 7, 1919, (J. B. 



(Wallis). 

 1356. Hydroporus humeralis Aube. Peachland, B.C., August 17, 1919, (J. B. 



Wallis). 

 1361. Hydroporus niger Say. St. Norbert, Man., Septemlber; Onah, Man., 

 July; Stonewall, Man.,, September 20, 1919, (J. B. Wallis). New to 

 Manitoba. 

 1367. Hydroporus stagnalis G. and H. Stonewall, Man., September 18, 1920, 

 (J. B. Willis). New to Manitoba. 

 Hydroporus conoideus Lee. Winnipeg, April, Aweme East, July 10, 1920, 

 (J. B. Wallis) ; previously recorded, (teste C. IT. Roberts) as oblongus 

 Steph. 

 9297. Hydroporus fuscipennis Schaum. Peachland, B. C, August 7, 1919, 

 (J. B. Wallis). 

 All the aibove species have been submitted to Dr. Fall who is revising the 

 group. 

 Gyrinidse. 

 1519. Gyrinus affinis Aube. Cawston, B.C., April 29, 1917, (W. B. S. Met- 



calf). 

 1529. Gyrinus picipes Aube. Cawston, B. C, April 17-29, 1917, (W. R. S. 

 Metcalf). 

 Hydrophilidas. 

 1683. Cercyon granarius Er. Stonewall, Man., August 18, 1918. In fungus, — 

 (J. B. Wallis). 

 Silphidae. 

 1698. Cecroplwrus marginatus Fab. Lethbridge, Alta., September 22, 1920, 

 (E. H. Strickland) ; Red Deer River, September 11, 1917, (C. H. 

 Young) . 

 1782. Liodes globosa Lee. Winnipeg, Man., June 15, 1918, (L. Roberts). New 

 to Manitoba. 

 Staphylinidse. 

 2101. Quedius sublbnbatj.is Makl. 'St. Norbert, Man., August 24, 1917, (J. B. 



Wallis). Previously taken at Hudson Bay by Dr. Bell. 

 2150. PUlontlms furvus Nord. Stoney Mountain, April 21, 1916, (Wallis). 

 Leptacinus, (Leptacinodes)flavipes Lee. Winnipeg; September. 2, 1916, 

 (J. B. Wallis). New to Manitoba. 

 2270. XantJwUnus obsidianus Melsh. Miami, Man., July 27. 1916, (J. B. 



Wallis). 

 2325. Stenus pettiti Csy. Onah, Man., July 11, 1918, (Wallis). New to Man- 

 itoba. 

 2329. Stenus rugifer Osy. Winnipeg, July, 1917. (L. Roberts). 



Treesbank, Man., July 18, 1918. (W r allis). New to Manitoba. 

 2376. Stenus colonus Er. Treesbank, Man., July, 1918, (Wallis). New to 

 Manitoba. 



